Clinical Chemistry

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1
Conversion factor of Albumin
g/100 mL to g/L = 10
2
Conversion factor of Bilirubin
mg/dL to umol/L = 17.1
3
Conversion factor of BUN
mg/dL to mmol/L = 0.357
4
Conversion factor of Na, K, and Cl
meq/dL to mmol/L = 1
5
Conversion factor of Cholesterol
mg/dL to mmol/L = 0.026
6
Conversion factor of Creatinine
mg/dL to umol/L = 88.4
7
Conversion factor of Glucose
mg/dL to mmol/L = 0.0555
8
Conversion factor of Thyroxine/T4
ug/dL to nmol/L = 12.9
9
Conversion factor of Total Protein
g/dL to g/L = 10
10
Conversion factor of TAG
mg/dL to mmol/L = 0.0113
11
Conversion factor of Uric Acid
mg/dL to mmol/L = 0.0595
12
A chemical substance which is the subject of chemical analysis.
Analyte
13
A compound or mixture added to a system to cause a chemical reaction or test if a reaction occurs.
Reagent
14
Speeds up the rate of chemical reaction but is not being produced or consumed in the reaction (e.g. heat and enzymes).
Catalyst
15
A materials of known concentration. Used for calibrating instrument.
Standard
16
Maximum water purity; used for ultramicrochem (e.g. nano or subnano), tissue culture, hormones, and metal testing.
Type I Reagent Water
17
Used in most laboratory test (e.g. routine tests, standard, reagent, and quality control preparation).
Type II Reagent Water
18
Used in most qualitative test (e.g. urinalysis, fecalysis, and histology); used for washing.
Type III Reagent Water
19
Has poor sedimentation and high air resistance
Swinging bucket/Horizontol rotor
20
Has faster speed than swinging bucket due to low air resistance; allows more rapid sedementation
Angle/Fixed-head rotor (25° - 40°)
21
Calibrate in centrifuge
Tachometer and strobe light
22
Relies on the piston for suction; uses disposable tips and mostly used in the laboratory
Air displacement pipette
23
Operates by moving the piston in the pipette tip or barrel; like a hypodermic syringe
Positive-displacement pipette
24
Lacks air cushion, can pipette high density samples and aspiration force remains constant.
Positive-displacement pipette
25
Increased during exercise
LDH, LA, Creatinine
26
Decreased during exercise
Glucose, cholesterol and TAG
27
Fist-clenching
Increased potassium, lactate and phosphate
28
Increased in recent food ingestion
HCO3, Glucose, Insulin, TAG
29
Decreased in recent food ingestion
Amylase (to breakdown starch) and chloride
30
High protein, low glucose diet
Increased ketones
31
Product of amino acid deamination.
Ammonia
32
High protein due to diet, inflammation, hemolysis (release of HgB), and stress/steroids
Increased Urea/BUN because proteins(CHON) are broken down into amino acids, which in return is broken down too into Ammonia. NH3 is converted into urea for excretion.
33
Serotonin rich food
Examples: Banana, tomato, avocado, pineapple, coffee
34
Increased TAG and value
Turbidity or lactescence (TAG: >400 g/dL)
35
Increased when standing
Albumin, cholesterol, and aldosterone. On the other hand, albumin, enzymes, and calcium are increased when positioned from supine to sitting or standing.
36
Anaerobic and require ice slurry (to slow down metabolism).
LA, NH3, blood gas, ionized calcium/iCa<sup>2+</sup> (increased acidosis = increased calcium/Ca<sup>2+</sup>)
37
Reasons for specimen rejection
Hemolysis, lipemia, clot in an anticoagulated tube, non-fasting specimen (if required), wrong blood collection tube, and improper specimen transportation
38
First and the most critical step
Patient Identification
39
Used for blood gas and pH; collected without tourniquet and pulling the plunger.
Oxygenated blood/Arterial puncture
40
Unacceptable sites for arterial puncture.
Irritated, edematous, near a wound or fistula
41
Degree of puncture for arterial puncture.
45° - 60°; Femoral - 90°
42
Order of vein choice for venipuncture.
1. Median Cubital<br>2. Cephallic<br>3. Basilic
43
Angle for venipuncture
15° - 30°
44
Order of draw for venipuncture
1. Yellow - blood culture/SPS
2. Light Blue - citrate
3. Red Glass - none
4. Red Plastic - silica w/c is a clot activator
5. Green - heparin
6. Purple - EDTA (Most common cause of carry over; ↑ NaK, ↓ CaFe
7. Gray - sodium fluoride
45
Gel tubes are not used for the following tests (ISBBTT)?
Immunology and serology, blood banking, trace metals and therapeutic drug monitoring (tricyclic antidepressant)
46
Transfer of one additive/specimen to another through needle contact causing contamination.
Carryover
47
Tourniquet
Applied within 1 minute and 3 to 4 inches above the site of collection.<br>Increased tourniqet application results in:<br>1. Hemoconcentration<br>2. Anaerobiosis (↓ O2) - may be interpreted as sepsis
48
Needle Gauge
"Range: 20-22<br>Standard: 21 (Green)<br>Pedia: 23 (Blue)<br><img src=""3-329e4bbcca6ddc6ea95c22e2479aab13fd121e9e.jpg"">"
49
Length of needle
1 or 1.5 inches
50
What are the problem sites for venipuncture?
1. Burn, scars or tattoed (increased pigmentation)
2. Damaged veins: sclerosed and thrombosed
3. Edema (increased interstitial fluid)
4. Hematoma
5. Mastectomy
6. Lymph removed (infection)
51
Affected parameters in traumatic tamp
Creatinine kinase, myoglobin and potassium
52
Collecting on an IV site
Extract below the IV line and discard initial 5 mL on a discard tube (cleared top)
53
10% contamination with 5% dextrose
Increase blood glucose by 500 mg/dL
54
BP cuff as tourniquet
60 mmHg
55
Ethanol testing
Benzalkonium chloride/zephiran chloride
56
Length of lancet for skin puncture
1.75 mm
57
Depth of incision in skin puncture
&lt; 2 mm for infants<br>&lt; 2.5 mm for adults&nbsp;
58
Preferred site for skin puncture
Lateral plantar heel - newborn<br>3rd and 4th finger (palmar) - adults
59
Order of draw for skin puncture
EDTA
Other additive tubes
Non-additive tubes
60
Used for measuring pH and pCO2 but not pO2. Earlobe is the preferred site and not performed if arterial blood pressure is below 95 mmHg.
Arterialized capillary blood (CO2 = H+)
61
What are the causes of hemolysis?
1. Too small needle
2. Fast pulling of plunger
3. Fast transfer of blood to tube
4. Shaking of tube vigorously
5. Blood collected before alcohol is dried
62
A comprehensive program in an institution in which
Quality assurance
63
Focuses mainly on ANALYTICAL PHASE
Quality control
64
Measure the smallest concentration; screening tests
Sensitivity
65
Measure only the analyte of interest; confirmatory tests
Specificity
66
Nearness of the assayed value to the true value; affected by systematic error.
Accuracy
67
To give repeated values on the same sample that agree with one another; affected by random error.
Precision/Reproducibility
68
Ability to detect proportion of individuals with that disease who test positive for the disease.
Dx Sensitivity
69
Ability to detect the proportion of individuals without the disease who test negative for the disease.
Dx Specificity
70
Kinds of quality control
Intralab - internal quality control
1. Daily monitoring
2. Detect both random and systematic error

Interlab - external quality control; EQAS
1. Long term accuracy
2. Proficiency testing
71
Error due to chance (1x) which arises from unpredictable variations of influence quantities
Random error
72
Error consistent in one direction
Systematic error
73
Examples of random errors (VVERTICES).
1. Variation in handling techniques (e.g. pipetting, mixing, timing)
2. Variation in operators
3. Environmental conditions
4. Reagent dispensing
5. Temperature of analyzer
6. Instability of instrument
7. Calibratory reconstitution
8. Electro-optical mechanism
9. Sample evaporation
74
Examples of systematic errors (TWO AFRICA).
1. Technologist interactions
2. Wear and tear of instruments
3. Optical changes
4. Aging reagents
5. Fluctuations in line voltage
6. Reagent lot variability
7. Instrument components
8. Calibration differences
9. Aging calibrators

May also include:
1. Contaminated solution
2. Leaky ion selective electrode
3. Poorly written procedures
75
Highest encountered clerical error.
Handwriting
76
Science of gathering, analyzing, interpreting and presenting data.
Statistics
77
Measure of central tendency, symmetrical or normal distribution.
Mean
78
Measure of the dispersion of values from the mean.
Standard deviation
79
Percentile expression of the mean; an index of precision.
Coefficient of variation
80
Standard deviation squared; a measure of variability
Variance
81
Most commonly used chart in quality control; data elements are centered around the mean.
Gaussian curve/Bell shape curve
82
Requires computer. QC results vs Target mean.
Cummulative Sum/CuSum Graph
83
Used to compare obtained control results from different laboratories.
Youden/Twin plot
84
Most used quality control chart in clinical laboratories.
Level-Jennings
85
Six or more consecutive control values distribute themselves on one side or either side of the mean but maintain a constant level. It is an abrupt change in the mean
Shift
86
Main cause of shift
Wrong calibration of the instrument
87
Main cause of trend
Deterioration/expired reagents
88
6 consecutive control values continue to either increase or decrease.&nbsp;<b>Progressive drift of values to one side of the mean<i>.</i><>
Trend
89
Control values far from the main set of values
Outliers
90
1 control value exceeds the mean ± 2s.
12s
91
1 control value exceeds the mean ±3s.
13s
92
1 control value exceeds +2s and another values exceeds -2s.
R4s
93
2 consecutive control values exceed the same mean ±2s.
22s
94
2 out of 3 control values exceed the same mean ±2s control limit.
2 of 3<sub>2s</sub>
95
3 consecutive control values exceed the same mean ±1s control limit.
31s
96
4 consecutive control values exceed the same mean ±1s control limit.
41s
97
Most commonly used patient based-quality control technique. <b>Past result vs. present result<>.
Delta Check
98
Near patient testing, decentralized testing, bedside testing, and/or alternative site testing.
Point of care testing (POCT)
99
Most commonly used POCT
Glucose test
100
Examples of polysaccharide
Starch and glycogen
101
Examples of disaccharide (SLaM)
Sucrose (Glucose + Fructose), Lactose (Glucose + Galactose), and Maltose (Glucose + Glucose)
102
Examples of monosaccharide
Glucose, Galactose, and Fructose<br><b>Note:&nbsp;<>May be absorbed by the intestine.
103
Only hypoglycemic agent; released by the beta cells of islets of langerhans of pancreas and is always accompanied by potassium during cell entry.
Insulin
104
Glucose metabolism
Glycolysis
105
Conversion of glucose to glycogen to be stored in the liver or muscles.
Glycogenesis
106
Conversion of carbohydrates to fatty acids
Lipogenesis
107
Hypoglycemia
50-55 mg/dL glucose
108
"Whipple's Triad"
Hypoglycemia symptoms (e.g. tremors and/or fainting; brain is affected)&nbsp;<b>→&nbsp;<>low blood glucose → alleviation after glucose load
109
Drug administration in hypoglycemia
Insulin and alcohol suppresses gluconeogenesis, ↑ lactic acid, and ↑ lipogenesis = fatty liver
110
Critical illness in hypoglycemia
Sepsis, hepatic failure, and renal failure
111
Hyperinsulinism
Caused by tumor or cancer
112
How much blood glucose does the tubules reabsorb to the blood vessels?
160-180 mg/dL
113
Primary hyperglycemic agent; synthesized by alpha cells.
Glucagon
114
Hyperglycemic agents (GAGCHET)
Glucagon<br>Adenocorticotropic hormone (ACTH)<br>Growth hormone<br>Cortisol<br>Human placental lactogen (HCL)<br>Ephinephrine<br>Thyroid
115
TAG → Fatty Acids<br>Protein → LDH + Pyruvate<br>= Glucose 6 PO4 and Ketones
Gluconeogenesis<br><b>Note:<>&nbsp;Making glucose out of non-carbohydrate sources.
116
Conversion of glycogen to glucose
Glycogenolysis
117
Fat decomposition
Lipolysis
118
Hyperglycemia
&gt; 126 mg/dL
119
Conditions related to hyperglycemia
1. Stress <br>2. Severe infection (sepsis = increased bacteria in the blood)<br>3. Dehydration<br>4. Pregnancy<br>5. Hemochromatosis (increased iron absorption of the pancreas) <br>6. Pancreatectomy (no alpha and beta cells = no insulin and glucagon = ↑ glucose = bronze diabetes mellitus)<br>7. Abnormal insulin receptor (Type II DM)<br>8. Insulin deficiency (Type I DM)<br>9. Acromegaly (excess GH which is a hyperglycemic agent)
120
Triad of hyperglycemia
Polyphagia, polydipsia, and polyuria
121
Type 1 and Type 2 Diabetes Mellitus
"<img src=""1-c0df601f7368a458a0dab11b7da8b4e79b9de8bf.jpg""><br><b>Note:<>&nbsp;Diabetic Ketoacidosis is a medical emergency.<br><br><b>Additional notes:<br><><img src=""1-82f95ba3b884d8bb4f87756d6112b84a34d4fc40.jpg"">"
122
Body Mass Index
"<img src=""1-241c096fbb76eafc41aac86735b2b70ded9a5f46.jpg"">"
123
It concentrates body fluid cells in a 6-mm diameter circle on the glass slide
Cytocentrifuge
124
It seperates lipoproteins on the basis of their hydrated density
Ultracentrifuge
125
Analytes with Diurnal Variation
↑ in AM - adrenocorticotropic hormone (ACTH), cortisol, iron, and aldosterone<br>↑ in PM - acid phosphatase (ACP), growth hormone (GH), parathyroid hormone (PTH), thyroid stimulatime hormone (TSH)
126
Other association of diabetes mellitus.
1. Severe dehydration<br>2. Electrolyte imbalance - ↑ K, ↓ Na<br>3. Increase BUN - diabetic nephropathy<br>4. Increase urea and creatinine - glucose deposition to glomerulus due to poor blood circulation<br>5. Blindness/Gangrene - necrosis due to poor blood circulation
127
Specimen collection, handling, and storage for carbohydrates specimen.<br><br>Fasting hours:<br>Glucose metabolism at RT:<br>Glucose metabolism at 4°:<br>Two cells which metabolize glucose:<br>Higher rate of metabolism with _ and _.
8 to 12 hours<br>7 mg/dL/hr<br>2 mg/dL/hr<br>RBC and WBC.<br>Higher rate with presence of bacteria and ↑ WBC.
128
More specific than chemical methods; only measures glucose.
Enzymatic method
129
Measures Beta D-glucose
Glucose oxidase method
130
Reference method for carbohydrates
Hexokinase method
131
Measures the rate of O2 consumption which is equal to glucose concentration (↑O2 = ↓ Glucose and vice versa).
Polarographic glucose oxidase
132
Measures all carbohydrates except sucrose.
Chemical method (e.g. Alkaline Copper Reduction Method)
133
Phosphomolybdate coloring agent for reduced copper
Folin Wu Method
134
Arsenomolybdate coloring agent for reduced copper
Nelson-somogyi Method
135
Neocuproine coloring agent for reduced copper
Neocuproine Method
136
Alkaline Copper Reduction Method has glucose erroneously higher by?
5 to 15 mg/dL
137
Reduce copper sulfate to cuprous oxide in the presence of alkali and heat to produce a color change
Alkaline Copper Reduction Method
138
<b>Monitoring <>of long term glucose control (2 to 4 months/120 days)
Glycosylated Hemoglobin/HBA1C
139
Glycosylation of RBC
60 days/2 months
140
Effect of hemolytic disease to HBA1C
False ↓ HBA1C
141
Methods and Specimen used for HBA1C
Specimen: EDTA Whole Blood<br>Methods: Electrophoresis, Immunoassay, Affinity chromatography, High performance liquid chromatography (HPLC).
142
Short term glucose control (3 to 6 weeks) and not recommended for patients with liver disease
Fructosamine/Glycosylated/Glycated Albumin
143
Screening test for GDM
1 hout GCT
144
Confirmatory test for GDM
3 hour OGTT
145
WHO standard glucose load
75g
146
GDM is diagnosed if _ plasma values in 3 hour OGTT are above normal level
2 plasma values
147
OGTT patient requirements and/or preparation
1. Patient should be ambulatory<br>2. Unrestricted diet of 150 g carbohydrates per day for 3 days (450g in total) prior to testing<br>3. Fasting of 8 to 12 hours<br>4. No smoking, exercise, or eating before and during the collection
148
Absence of key enzymes to breakdown glycogen into glucose.
Hepatomegaly and muscle problems
149
Glycogen storage disease liver form
Type I - Von Gierke Disease<br>Type III - Cori-Forbes<br>Type IV - Anderson<br>Type VI - Hers<br>Type XI - Fanconi Bickel
150
Glycogen storage disease muscle forms
Type II - Pompe<br>Type V - McArdle<br>Type VII - Tarui
151
Glycogen storage diseases
"<img src=""1-b699153f9142c5915d9497894c848cf0cdc721df.jpg"">"
152
Thin extremities, short stature, <b>protuberant <>abdomen, skin <b>xanthoma<>, retinal changes.<br>Most common glycogen storage disease.
Type I Von Gierke
153
Hepatomegaly, hypoglycemia, and growth retardation.
Type III Cori-Forbes&nbsp;
154
<b>Hepatosplenomegaly<>, failure to thrive,&nbsp;<b>liver cirrhosis<>, portal hypertension,&nbsp;<b>ascites<>, esophageal varices, and fatal by 5 years of age. Hypoglycemia is rare but may occur in liver cirrhosis.
Type IV Anderson
155
Hepatomegaly improves with age
Type VI Hers
156
Protuberatent abdomen due to hepatomegaly and&nbsp;<b>renomegaly<>,<b>&nbsp;rickets<>, and failure to thrive.
Type XI Fanconi-Bickel
157
Muscle weakness, feeding problems, <b>macroglossia<>, hepatomegaly and <b>cardiomyopathy <>in infants.
Type II Pompe
158
Exercise intolerance, muscle cramps, and dark red urine after intense exercise/<b>myoglobinuria. <>(MMMM)
Type V McArdle
159
Same as in Type V. Compensated hemolytic anemia and&nbsp;<b>hyperuricemia<>.
Type VII Tarui
160
Phosphofructokinase defect
Type VII Tarui
161
Glucose-6-phosphatase defect
Type I Von Gierke
162
Glycogen debranching enzyme defect
Type III Cori-Forbes
163
Glycogen branching enzyme defect
Type IV Anderson
164
Glycogen phosphorylase defect
Type VI Hers
165
GLUT 2 defect
Type XI Fanconi-Bickel
166
Lysosomal acid alpha glucosidase (GAA) (Acid maltase) defect
Type II Pompe
167
Muscle Phosphorylase defect
Type V McArdle
168
Most abundant lipid; located in the cell membrane and essential for fetal lung maturity.
Phospholipid/Conjugated lipid
169
L/S ratio for fetal lung maturity
Lecitin/Sphingomyelin is&nbsp;≥&nbsp;2.
170
Accumulation of sphingomyelin due to absence of sphingomyelinase
"Niemann's Pick"
171
Sex and steroid hormones and part of cell membrane
Cholesterol
172
Reference value of cholesterol
&lt;200 mg/dL - desirable<br>200-239 mg/dL - borderline high<br>≥ 240 mg/dL - high cholesterol
173
Patient preparation for cholesterol
Two weeks prior to testing, the person should be in his usual diet.
174
Cholesterol chemical method with green end color
Liebermann Burchardt reaction
175
Cholesterol chemical method with red end color
Salkowski reaction
176
CDC reference method for cholesterol
Abell, Levy, and Brodie
177
H<sub>2</sub>O<sub>2 </sub>is measured to measure cholesterol; enzymatic method
Cholesterol oxidase
178
Lastest reference method for cholesterol
Gas chromatography mass spectrometry (GCMS)
179
Gold standard for drug testing
Gas chromatography mass spectrometry (GCMS)
180
Increased cholesterol level
1. Biliary cirrhosis<br>2. Nephrotic syndrome<br>3. Alcoholism<br>4. Hyperlipoproteinemia Type II, III and IV<br>5. Diabetes mellitus<br>6. Primary hypothyroidism - slow metabolism
181
Lecithin-cholesterol acyltransferase (LCAT) and lipoprotein lipase (LPL) deficiency causing increased cholesterol and triglyceride = <b>lipidemia <>= <b>oval fat bodies<>
Nephrotic syndrome
182
Decreased cholesterol (SMH)
1. Severe hepatocellular disease<br>2. Hyperthyroidism<br>3. Malabsorption
183
Cut off for serum cholesterol per age group
20 - 29<br>Moderate risk: &gt; 200 mg/dL<br>High risk: &gt; 220 mg/dL<br><br>30-39<br>Moderate risk: &gt; 220 mg/dL<br>High risk: &gt; 240 mg/dL<br><br>&gt; 40<br>Moderate risk: &gt; 240 mg/dL<br>High risk: &gt; 260 mg/dL
184
Main storage of lipid in human; stored energy, none located in cell membrane and&nbsp;<b>not associated to heart diseases&nbsp;<>such as coronary heart disease.&nbsp;
Triglyceride/Triacylglycerol/Neutral fat
185
Reference value for triglyceride:
&lt; 150 mg/dL - normal<br>150 - 199 mg/dL - borderline high<br>200 - 499 mg/dL - high&nbsp;<br>&gt; 500 mg/dL - very high&nbsp;
186
&gt; 500 mg/dL TAG
Acute and recurrent pancreatitis; increased chylomicrons (delivers TAG and cholesterol absorbed from the intestine to body organs)
187
Reference method for TAG
Colorimetric method; (+) blue color<br>e.g. Van Handel and Zilversmit method
188
Fluorometric method for TAG
Hantzsch method; (+) blue color
189
Increased TAG
1. Nephrotic syndrome<br>2. Alcoholism<br>3. Hyperlipoproteinemia Type II, III, IV, V<br>4. Primary hypothyroidism<br>5. Diabetes mellitus
190
Decreased TAG
1. Brain infarction<br>2. Hyperthyroidism<br>3. Malabsorption<br>4. Malnutrition
191
Transport lipid because blood cannot transport lipids.
Lipoprotein
192
Reference method for lipoprotein
Ultracentrifugation<br><br>From least to most dense:<br>1. Chylomicrons<br>2. Very low density lipoprotein<br>3. Low density lipoprotein<br>4. High density lipoprotein
193
Patient preparation and specimen storage for lipoprotein
Fasting: 12-14 hours<br>Storage: 4°C for several days
194
Lipoprotein electrophoresis
HDL - Alpha 1 lipoprotein<br>VLDL - Pre-beta lipoprotein<br>LDL - Beta lipoprotein<br>B-VLDL - Between pre-beta and beta lipoprotein;&nbsp;<b>abnormal lipoprotein<>
195
Lipoprotein chemical precipitation
1. Heparin and dextran sulfate<br>2. Manganese or magnesium
196
Antibodies on solid supports specific to apolipoproteins
Immunochemical method
197
Functions in lipid to tissue delivery; protects and maintains lipoprotein
Apolipoprotein
198
Largest and least dense lipoprotein
Chylomicrons
199
Chylomicrons transport mechanism
Exogenous transport (lipids to liver)
200
Apolipoprotein of chylomicron
Apo B-48
201
VLDL transport mechanism
Endogenous transport (lipids to connective tissue)
202
Apolipoprotein of VLDL
Apo B-100
203
Bad cholesterol; most atherogenic lipoprotein
Low density lipoprotein (LDL)
204
Composition of plaque
<b>Clot + LDL + WBC<> = atherosclerosis<br>May lead to ↓ O<sub>2</sub>&nbsp;or stroke
205
LDL cholesterol transport
Forward (liver to tissue)
206
LDL apolipoprotein
Apo B-100
207
Reference value for LDL
&lt; 100 mg/dL - optimal<br>100 - 129 mg/dL - near/above optimal<br>130 - 159 mg/dL - borderline high<br>160 - 189 mg/dL - high<br>&gt; 190 mg/dL - very high
208
Formula for LDL - Cholesterol/LDL-C
Total cholesterol - HDL - VLDL
209
Friedewald method (indirect method) for TAG
1. VLDL (mmol/L) = TAG/2.175<br>2. VLDL (mg/dL) = TAG/5<br><br><b>Most used method for computation<>
210
De Long method (indirect method) for TAG
1. VLDL (mmol/L) = TAG/2.825<br>2. VLDL (mg/dL) - TAG/6.5
211
The most common research method for LDL-C
Beta-quantification
212
Most important in cardiac risk assessment
LDL-C
213
Known as the good cholesterol; smallest and most dense lipoprotein
HDL
214
Principal way to maintain cholesterol level
HDL
215
HDL cholesterol transport
Reverse (tissue to liver)
216
HDL apolipoprotein
Apo A-1
217
Reference value of HDL
40 mg/dL - cutoff level<br>&lt; 35 mg/dL - high risk for coronary heart disease<br>&gt; 60 mg/dL - high (protective)
218
Independent risk factor for atherosclerosis; competes with plasminogen receptors
Lipoprotein A/Sinking pre-beta lipoprotein
219
VLDL catabolic product; associated with Type III hyperlipoproteinemia
Intermediate density lipoprotein (IDL)
220
Minor lipoproteins
1. Lipoprotein A/Sinking pre-beta lipoprotein (Lp<sub>a</sub>)<br>2. Intermediate density lipoprotein (IDL)
221
Abnormal lipoproteins
1. Lipoprotein X<br>2. B-VLDL
222
Associated to obstructive jaundice caused by gallstones and LCAT deficiency
Lipoprotein X
223
Specific and sensitive indicator of cholestasis
Lipoprotein X
224
Abnormally migrating VLDL; associated in dysbetalipoproteinemia/Type III hyperlipoproteinemia
B-VLDL
225
Defective LDL receptors; total cholesterol and LDL-C is 2-3x above normal.
Familial hypercholesterolemia (Type 2a)
226
Characterized by a confirmatory feature of broad abnormal band between VLDL and LDL (B-VLDL)
Dysbetalipoproteinemia/Type III hyperlipoproteinemia
227
Defective Apo-B synthesis; also known as Bassen-Kornzweig syndrome
Abetalipoproteinemia
228
Absent in abetalipoproteinemia
VLDL, LDL, and chylomicrons; all lipoproteins uses Apo B apolipoproteins which has defective synthesis in abetalipoproteinemia
229
Low in abetalipoproteinemia
Cholesterol and TAG
230
Apo B deficiency; LDL-C, VLDL-C, total cholesterol, and total TAG is low
Hypobetalipoproteinemia
231
Orange tonsil and pharynx; absent HDL due to mutation in <b>ABCA1<>&nbsp;gene used for HDL synthesis
"Tangier's disease"
232
Characterized by LCAT deficiency
Fish-eye disease
233
Characterized by hexosaminidase A enzyme deficiency resulting to sphingolipid accumulation.
"Tay-Sach's disease"
234
Inability to clear chylomicron particles resulting to chylomicronemia = pancreatitis
LPL deficiency
235
National cholesterol education program (NCEP) values
TC - 3% CV<br>HDL-C (≥ 42 mg/dL) - 4% CV<br>LDL-C - 4% CV<br>TAG - 5% CV
236
Gross composition of proteins in the body
1/2 is Albumin<br>1/2 is Globulin composed of A1, A2, B, and Y.
237
Proteins are _____. They are weak positive and weak negative; may undergo electrophoresis.
Amphoteric
238
True or False.<br><br>All proteins are synthesized in the liver.
False. Except antibodies which are synthesized by plasma cells.
239
Linear sequence of amino acid; determines&nbsp;protein identity
Primary structure of protein
240
Winding of the polypeptide chain
Secondary structure of protein
241
Dimensional configuration; gives physical and chemical properties and is affected by denaturation
Tertiary structure of protein
242
2 or more polypeptide chains
Quaternary structure of protein
243
Transported by prealbumin
Vitamin A and Thyroxine
244
Associated with malnutrition and used as a CSF landmark
Prealbumin/Transthyretin
245
Increased prealbumin (CAS)
1. Alcoholism<br>2. Chronic renal failure<br>3. Steroid treatment
246
Decreased prealbumin (PiHIT)
1. Poor nutrition<br>2. Hepatic damage<br>3. Tissue necrosis<br>4. Inflammatory response
247
It has the highest concentration of all proteins; a general transport protein which means it has affinity to majority of substances
Albumin
248
Maintains osmotic pressure, pH buffer (binds to H<sup>+</sup>), negative APR, and an indicator of nutritional status
Albumin
249
Prognostic marker of cystic fibrosis
Albumin
250
Hereditary absence of albumin
Analbuminemia
251
Two albumin bands
Bisalbuminemia
252
Most common dye used in dye binding of albumin
Bromcresol Green (BCG)
253
Most specific dye used in dye binding of albumin
Bromcresol Purple (BCP)
254
Nonspecific dye used in dye binding of albumin
Methyl orange
255
Dye with low sensitivity, but more specific to albumin
"<span style=""color: rgb(32, 33, 36); background-color: rgb(255, 255, 255);"">4'-Hydroxyazobenzene-2-Carboxylic Acid (HABA)</span>"
256
Increased albumin
1. Severe dehydration<br>2. Prolongued tourniquet application
257
Water escapes on the blood vessels due to prolonged tourniquet application
Artefactual hyperalbuminemia
258
Decreased albumin due to low synthesis (MMC)
1. Chronic liver disease<br>2. Malabsorption<br>3. Malnutrition
259
Decreased albumin due to increased loss
1. Nephrotic syndrome<br>2. Massive burns and exfoliative dermatitis<br>3. Protein-losing enteropathy<br>4. Osthostatic proteinuria
260
Decreased albumin due to increased catabolism
1. Malignancy<br>2. Thyrotoxicosis
261
Condition with the lowest albumin levels
Nephrotic syndrome
262
Major inhibitor of protease activity; neutralize trypsin-like enzymes (e.g. elastase which binds to elastin in the lungs resulting to pulmonary emphysema)
Alpha-1 antitrypsin (AAT)
263
Beta-Gamma bridging
Liver cirrhosis
264
Monoclonal spike in gamma
Multiple myeloma
265
Alpha-2 globulin spike (10 fold or more) and low albumin
Nephrotic syndrome
266
Alpha-1 globulin flat curve
Alpha-1 antitrypsin deficiency resulting to pulmonary emphysema and/or liver cirrhosis
267
Alpha-1 and alpha-2 globulin spikes
Acute inflammation
268
Polyclonal gammopathy
Chronic inflammation
269
Defective alpha-1 antitrypsin
Liver cirrhosis
270
Binds to estradiol and tumor marker for hepatic and gonadal cancer
Alpha-1 fetoprotein (AFP)
271
AFP levels in neural tube defect (ancephaly or spina bifida)
Increased AFP
272
"AFP levels in Down's syndrome"
Decreased AFP
273
Increased AFP (FAT HAT)
1. Atresia of the GIT<br>2. Fetal distress<br>3. Ataxia telangiectasia<br>4. Tyrosinosis<br>5. Hemolytic disease of the newborn (HDN)<br>6. Twins
274
"An APR associated with alzheimer's disease (part of amyloid, an insoluble protein, which deposits in the brain causing alzheimer's disease); binds and inactivates prostate-specific antigen (PSA)"
Alpha-1 antichymotrypsin (A1-x)
275
Inhibited by A1-x (PANCAT MACHY (Pangkat Matsing))
1. Cathepsin G<br>2. Pancreatic elastase<br>3. Mast cell chymase<br>4. Chymotrypsin
276
Major carrier of vitamin D and important for bone formation
Gc-Globulin (Group-specific component/Vitamin D-binding protein)
277
Carries fatty acids and endotoxin; a co-chemotactic factor (attracts WBC) and binds with actin
Gc-Globulin (Group-specific component/Vitamin D-binding protein)
278
Increased Gc-Globulin
3rd trimester of pregnancy
279
Decreased Gc-Globulin
Protein losing enteropathy and liver disease
280
Alpha 1 Globulins
1. AAT<br>2. AFP<br>2. A1-X<br>4. Gc-Globulin
281
Alpha 2 Globulins
1. Haptoglobin<br>2. Ceruloplasmin<br>3. Alpha-2 Macroglobulin (AMG)
282
Binds to hemoglobin (which binds to iron); inverse relationship with intravascular hemolysis (e.g. HDN)
Haptoglobin
283
Increased haptoglobin
1. Stressful conditions<br>2. Myoglobinuria
284
Binds with copper to deliver into organs; has enzymatic activities and imparts blue color to protein
Ceruloplasmin
285
Decreased ceruloplasmin
"1. Wilson's disease<br>2. Kayser-fleisher rings<br>3. Menkes kinky hair syndrome"
286
Genetic disorder resulting to liver damage due to excess copper storage
"Wilson's disease"
287
Deposition of copper in the eyes
Kayser-fleisher rings
288
Inability to absorb copper resulting to copper deficiency
Menkes kinky hair syndrome
289
Thrombin and plasmin in patients with diabetes mellitus
Thrombin and plasmin are blocked in DM. Hence, delayed clot formation (thrombin) and delayed clot dissolution (plasmin).
290
Predominant globulin in the alpha-2 region; largest major nonimmunoglobulin protein in plasma
Alpha-2 macroglobulin
291
Beta Globulins (TFC-HBC)
1. Hemopexin<br>2. Transferrin/Siderophilin<br>3. Fibrinogen&nbsp;<br>4. Complement<br>5. C-reactive protein (CRP)<br>6. Beta-2-Microglobulin
292
Binds heme; helps in the diagnosis of early hemolysis
Hemopexin
293
Predominant globulin in beta region; transports iron and used to determine cause of anemia
Transferrin/Siderophilin
294
Beta globulin spike
Iron deficiency anemia
295
Increased transferrin
Iron deficiency anemia
296
Decreased transferrin
1. Hemochromatosis (bronze skin)<br>2. Liver disease<br>3. Malnutrition<br>4. Nephrotic syndrome<br>5. Infection<br>6. Malignancy<br>7. Atransferrinemia
297
Relationship of stored iron/ferritin and transferrin
"Inversely proportional<br><br><b>Legend:<><br>1. Iron deficiency anemia<br>2. Hemochromatosis<br>3. Anemia of chronic inflammation (uses lactoferrin as transferrin)<br><img src=""311122752_418426187127389_222846192109884124_n.jpg"">"
298
Most abundant coagulation factor; increased in inflammation/APR
Fibrinogen
299
Increased fibrinogen
Cardiovascular disease
300
Decreased fibrinogen
DIC

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