1Conversion factor of Albumin
g/100 mL to g/L = 10
2Conversion factor of Bilirubin
mg/dL to umol/L = 17.1
3Conversion factor of BUN
mg/dL to mmol/L = 0.357
4Conversion factor of Na, K, and Cl
meq/dL to mmol/L = 1
5Conversion factor of Cholesterol
mg/dL to mmol/L = 0.026
6Conversion factor of Creatinine
mg/dL to umol/L = 88.4
7Conversion factor of Glucose
mg/dL to mmol/L = 0.0555
8Conversion factor of Thyroxine/T4
ug/dL to nmol/L = 12.9
9Conversion factor of Total Protein
g/dL to g/L = 10
10Conversion factor of TAG
mg/dL to mmol/L = 0.0113
11Conversion factor of Uric Acid
mg/dL to mmol/L = 0.0595
12A chemical substance which is the subject of chemical analysis.
Analyte
13A compound or mixture added to a system to cause a chemical reaction or test if a reaction occurs.
Reagent
14Speeds up the rate of chemical reaction but is not being produced or consumed in the reaction (e.g. heat and enzymes).
Catalyst
15A materials of known concentration. Used for calibrating instrument.
Standard
16Maximum water purity; used for ultramicrochem (e.g. nano or subnano), tissue culture, hormones, and metal testing.
Type I Reagent Water
17Used in most laboratory test (e.g. routine tests, standard, reagent, and quality control preparation).
Type II Reagent Water
18Used in most qualitative test (e.g. urinalysis, fecalysis, and histology); used for washing.
Type III Reagent Water
19Has poor sedimentation and high air resistance
Swinging bucket/Horizontol rotor
20Has faster speed than swinging bucket due to low air resistance; allows more rapid sedementation
Angle/Fixed-head rotor (25° - 40°)
21Calibrate in centrifuge
Tachometer and strobe light
22Relies on the piston for suction; uses disposable tips and mostly used in the laboratory
Air displacement pipette
23Operates by moving the piston in the pipette tip or barrel; like a hypodermic syringe
Positive-displacement pipette
24Lacks air cushion, can pipette high density samples and aspiration force remains constant.
Positive-displacement pipette
25Increased during exercise
LDH, LA, Creatinine
26Decreased during exercise
Glucose, cholesterol and TAG
27Fist-clenching
Increased potassium, lactate and phosphate
28Increased in recent food ingestion
HCO3, Glucose, Insulin, TAG
29Decreased in recent food ingestion
Amylase (to breakdown starch) and chloride
30High protein, low glucose diet
Increased ketones
31Product of amino acid deamination.
Ammonia
32High 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.
33Serotonin rich food
Examples: Banana, tomato, avocado, pineapple, coffee
34Increased TAG and value
Turbidity or lactescence (TAG: >400 g/dL)
35Increased when standing
Albumin, cholesterol, and aldosterone. On the other hand, albumin, enzymes, and calcium are increased when positioned from supine to sitting or standing.
36Anaerobic 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>)
37Reasons for specimen rejection
Hemolysis, lipemia, clot in an anticoagulated tube, non-fasting specimen (if required), wrong blood collection tube, and improper specimen transportation
38First and the most critical step
Patient Identification
39Used for blood gas and pH; collected without tourniquet and pulling the plunger.
Oxygenated blood/Arterial puncture
40Unacceptable sites for arterial puncture.
Irritated, edematous, near a wound or fistula
41Degree of puncture for arterial puncture.
45° - 60°; Femoral - 90°
42Order of vein choice for venipuncture.
1. Median Cubital<br>2. Cephallic<br>3. Basilic
43Angle for venipuncture
15° - 30°
44Order 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
45Gel tubes are not used for the following tests (ISBBTT)?
Immunology and serology, blood banking, trace metals and therapeutic drug monitoring (tricyclic antidepressant)
46Transfer of one additive/specimen to another through needle contact causing contamination.
Carryover
47Tourniquet
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
48Needle Gauge
"Range: 20-22<br>Standard: 21 (Green)<br>Pedia: 23 (Blue)<br><img src=""3-329e4bbcca6ddc6ea95c22e2479aab13fd121e9e.jpg"">"
49Length of needle
1 or 1.5 inches
50What 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)
51Affected parameters in traumatic tamp
Creatinine kinase, myoglobin and potassium
52Collecting on an IV site
Extract below the IV line and discard initial 5 mL on a discard tube (cleared top)
5310% contamination with 5% dextrose
Increase blood glucose by 500 mg/dL
54BP cuff as tourniquet
60 mmHg
55Ethanol testing
Benzalkonium chloride/zephiran chloride
56Length of lancet for skin puncture
1.75 mm
57Depth of incision in skin puncture
< 2 mm for infants<br>< 2.5 mm for adults
58Preferred site for skin puncture
Lateral plantar heel - newborn<br>3rd and 4th finger (palmar) - adults
59Order of draw for skin puncture
EDTA
Other additive tubes
Non-additive tubes
60Used 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+)
61What 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
62A comprehensive program in an institution in which
Quality assurance
63Focuses mainly on ANALYTICAL PHASE
Quality control
64Measure the smallest concentration; screening tests
Sensitivity
65Measure only the analyte of interest; confirmatory tests
Specificity
66Nearness of the assayed value to the true value; affected by systematic error.
Accuracy
67To give repeated values on the same sample that agree with one another; affected by random error.
Precision/Reproducibility
68Ability to detect proportion of individuals with that disease who test positive for the disease.
Dx Sensitivity
69Ability to detect the proportion of individuals without the disease who test negative for the disease.
Dx Specificity
70Kinds 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
71Error due to chance (1x) which arises from unpredictable variations of influence quantities
Random error
72Error consistent in one direction
Systematic error
73Examples 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
74Examples 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
75Highest encountered clerical error.
Handwriting
76Science of gathering, analyzing, interpreting and presenting data.
Statistics
77Measure of central tendency, symmetrical or normal distribution.
Mean
78Measure of the dispersion of values from the mean.
Standard deviation
79Percentile expression of the mean; an index of precision.
Coefficient of variation
80Standard deviation squared; a measure of variability
Variance
81Most commonly used chart in quality control; data elements are centered around the mean.
Gaussian curve/Bell shape curve
82Requires computer. QC results vs Target mean.
Cummulative Sum/CuSum Graph
83Used to compare obtained control results from different laboratories.
Youden/Twin plot
84Most used quality control chart in clinical laboratories.
Level-Jennings
85Six 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
86Main cause of shift
Wrong calibration of the instrument
87Main cause of trend
Deterioration/expired reagents
886 consecutive control values continue to either increase or decrease. <b>Progressive drift of values to one side of the mean<i>.</i><>
Trend
89Control values far from the main set of values
Outliers
901 control value exceeds the mean ± 2s.
12s
911 control value exceeds the mean ±3s.
13s
921 control value exceeds +2s and another values exceeds -2s.
R4s
932 consecutive control values exceed the same mean ±2s.
22s
942 out of 3 control values exceed the same mean ±2s control limit.
2 of 3<sub>2s</sub>
953 consecutive control values exceed the same mean ±1s control limit.
31s
964 consecutive control values exceed the same mean ±1s control limit.
41s
97Most commonly used patient based-quality control technique. <b>Past result vs. present result<>.
Delta Check
98Near patient testing, decentralized testing, bedside testing, and/or alternative site testing.
Point of care testing (POCT)
99Most commonly used POCT
Glucose test
100Examples of polysaccharide
Starch and glycogen
101Examples of disaccharide (SLaM)
Sucrose (Glucose + Fructose), Lactose (Glucose + Galactose), and Maltose (Glucose + Glucose)
102Examples of monosaccharide
Glucose, Galactose, and Fructose<br><b>Note: <>May be absorbed by the intestine.
103Only hypoglycemic agent; released by the beta cells of islets of langerhans of pancreas and is always accompanied by potassium during cell entry.
Insulin
104Glucose metabolism
Glycolysis
105Conversion of glucose to glycogen to be stored in the liver or muscles.
Glycogenesis
106Conversion of carbohydrates to fatty acids
Lipogenesis
107Hypoglycemia
50-55 mg/dL glucose
108"Whipple's Triad"
Hypoglycemia symptoms (e.g. tremors and/or fainting; brain is affected) <b>→ <>low blood glucose → alleviation after glucose load
109Drug administration in hypoglycemia
Insulin and alcohol suppresses gluconeogenesis, ↑ lactic acid, and ↑ lipogenesis = fatty liver
110Critical illness in hypoglycemia
Sepsis, hepatic failure, and renal failure
111Hyperinsulinism
Caused by tumor or cancer
112How much blood glucose does the tubules reabsorb to the blood vessels?
160-180 mg/dL
113Primary hyperglycemic agent; synthesized by alpha cells.
Glucagon
114Hyperglycemic agents (GAGCHET)
Glucagon<br>Adenocorticotropic hormone (ACTH)<br>Growth hormone<br>Cortisol<br>Human placental lactogen (HCL)<br>Ephinephrine<br>Thyroid
115TAG → Fatty Acids<br>Protein → LDH + Pyruvate<br>= Glucose 6 PO4 and Ketones
Gluconeogenesis<br><b>Note:<> Making glucose out of non-carbohydrate sources.
116Conversion of glycogen to glucose
Glycogenolysis
117Fat decomposition
Lipolysis
118Hyperglycemia
> 126 mg/dL
119Conditions 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)
120Triad of hyperglycemia
Polyphagia, polydipsia, and polyuria
121Type 1 and Type 2 Diabetes Mellitus
"<img src=""1-c0df601f7368a458a0dab11b7da8b4e79b9de8bf.jpg""><br><b>Note:<> Diabetic Ketoacidosis is a medical emergency.<br><br><b>Additional notes:<br><><img src=""1-82f95ba3b884d8bb4f87756d6112b84a34d4fc40.jpg"">"
122Body Mass Index
"<img src=""1-241c096fbb76eafc41aac86735b2b70ded9a5f46.jpg"">"
123It concentrates body fluid cells in a 6-mm diameter circle on the glass slide
Cytocentrifuge
124It seperates lipoproteins on the basis of their hydrated density
Ultracentrifuge
125Analytes 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)
126Other 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
127Specimen 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.
128More specific than chemical methods; only measures glucose.
Enzymatic method
129Measures Beta D-glucose
Glucose oxidase method
130Reference method for carbohydrates
Hexokinase method
131Measures the rate of O2 consumption which is equal to glucose concentration (↑O2 = ↓ Glucose and vice versa).
Polarographic glucose oxidase
132Measures all carbohydrates except sucrose.
Chemical method (e.g. Alkaline Copper Reduction Method)
133Phosphomolybdate coloring agent for reduced copper
Folin Wu Method
134Arsenomolybdate coloring agent for reduced copper
Nelson-somogyi Method
135Neocuproine coloring agent for reduced copper
Neocuproine Method
136Alkaline Copper Reduction Method has glucose erroneously higher by?
5 to 15 mg/dL
137Reduce 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
139Glycosylation of RBC
60 days/2 months
140Effect of hemolytic disease to HBA1C
False ↓ HBA1C
141Methods and Specimen used for HBA1C
Specimen: EDTA Whole Blood<br>Methods: Electrophoresis, Immunoassay, Affinity chromatography, High performance liquid chromatography (HPLC).
142Short term glucose control (3 to 6 weeks) and not recommended for patients with liver disease
Fructosamine/Glycosylated/Glycated Albumin
143Screening test for GDM
1 hout GCT
144Confirmatory test for GDM
3 hour OGTT
145WHO standard glucose load
75g
146GDM is diagnosed if _ plasma values in 3 hour OGTT are above normal level
2 plasma values
147OGTT 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
148Absence of key enzymes to breakdown glycogen into glucose.
Hepatomegaly and muscle problems
149Glycogen 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
150Glycogen storage disease muscle forms
Type II - Pompe<br>Type V - McArdle<br>Type VII - Tarui
151Glycogen storage diseases
"<img src=""1-b699153f9142c5915d9497894c848cf0cdc721df.jpg"">"
152Thin extremities, short stature, <b>protuberant <>abdomen, skin <b>xanthoma<>, retinal changes.<br>Most common glycogen storage disease.
Type I Von Gierke
153Hepatomegaly, hypoglycemia, and growth retardation.
Type III Cori-Forbes
154<b>Hepatosplenomegaly<>, failure to thrive, <b>liver cirrhosis<>, portal hypertension, <b>ascites<>, esophageal varices, and fatal by 5 years of age. Hypoglycemia is rare but may occur in liver cirrhosis.
Type IV Anderson
155Hepatomegaly improves with age
Type VI Hers
156Protuberatent abdomen due to hepatomegaly and <b>renomegaly<>,<b> rickets<>, and failure to thrive.
Type XI Fanconi-Bickel
157Muscle weakness, feeding problems, <b>macroglossia<>, hepatomegaly and <b>cardiomyopathy <>in infants.
Type II Pompe
158Exercise intolerance, muscle cramps, and dark red urine after intense exercise/<b>myoglobinuria. <>(MMMM)
Type V McArdle
159Same as in Type V. Compensated hemolytic anemia and <b>hyperuricemia<>.
Type VII Tarui
160Phosphofructokinase defect
Type VII Tarui
161Glucose-6-phosphatase defect
Type I Von Gierke
162Glycogen debranching enzyme defect
Type III Cori-Forbes
163Glycogen branching enzyme defect
Type IV Anderson
164Glycogen phosphorylase defect
Type VI Hers
165GLUT 2 defect
Type XI Fanconi-Bickel
166Lysosomal acid alpha glucosidase (GAA) (Acid maltase) defect
Type II Pompe
167Muscle Phosphorylase defect
Type V McArdle
168Most abundant lipid; located in the cell membrane and essential for fetal lung maturity.
Phospholipid/Conjugated lipid
169L/S ratio for fetal lung maturity
Lecitin/Sphingomyelin is ≥ 2.
170Accumulation of sphingomyelin due to absence of sphingomyelinase
"Niemann's Pick"
171Sex and steroid hormones and part of cell membrane
Cholesterol
172Reference value of cholesterol
<200 mg/dL - desirable<br>200-239 mg/dL - borderline high<br>≥ 240 mg/dL - high cholesterol
173Patient preparation for cholesterol
Two weeks prior to testing, the person should be in his usual diet.
174Cholesterol chemical method with green end color
Liebermann Burchardt reaction
175Cholesterol chemical method with red end color
Salkowski reaction
176CDC reference method for cholesterol
Abell, Levy, and Brodie
177H<sub>2</sub>O<sub>2 </sub>is measured to measure cholesterol; enzymatic method
Cholesterol oxidase
178Lastest reference method for cholesterol
Gas chromatography mass spectrometry (GCMS)
179Gold standard for drug testing
Gas chromatography mass spectrometry (GCMS)
180Increased 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
181Lecithin-cholesterol acyltransferase (LCAT) and lipoprotein lipase (LPL) deficiency causing increased cholesterol and triglyceride = <b>lipidemia <>= <b>oval fat bodies<>
Nephrotic syndrome
182Decreased cholesterol (SMH)
1. Severe hepatocellular disease<br>2. Hyperthyroidism<br>3. Malabsorption
183Cut off for serum cholesterol per age group
20 - 29<br>Moderate risk: > 200 mg/dL<br>High risk: > 220 mg/dL<br><br>30-39<br>Moderate risk: > 220 mg/dL<br>High risk: > 240 mg/dL<br><br>> 40<br>Moderate risk: > 240 mg/dL<br>High risk: > 260 mg/dL
184Main storage of lipid in human; stored energy, none located in cell membrane and <b>not associated to heart diseases <>such as coronary heart disease.
Triglyceride/Triacylglycerol/Neutral fat
185Reference value for triglyceride:
< 150 mg/dL - normal<br>150 - 199 mg/dL - borderline high<br>200 - 499 mg/dL - high <br>> 500 mg/dL - very high
186> 500 mg/dL TAG
Acute and recurrent pancreatitis; increased chylomicrons (delivers TAG and cholesterol absorbed from the intestine to body organs)
187Reference method for TAG
Colorimetric method; (+) blue color<br>e.g. Van Handel and Zilversmit method
188Fluorometric method for TAG
Hantzsch method; (+) blue color
189Increased TAG
1. Nephrotic syndrome<br>2. Alcoholism<br>3. Hyperlipoproteinemia Type II, III, IV, V<br>4. Primary hypothyroidism<br>5. Diabetes mellitus
190Decreased TAG
1. Brain infarction<br>2. Hyperthyroidism<br>3. Malabsorption<br>4. Malnutrition
191Transport lipid because blood cannot transport lipids.
Lipoprotein
192Reference 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
193Patient preparation and specimen storage for lipoprotein
Fasting: 12-14 hours<br>Storage: 4°C for several days
194Lipoprotein electrophoresis
HDL - Alpha 1 lipoprotein<br>VLDL - Pre-beta lipoprotein<br>LDL - Beta lipoprotein<br>B-VLDL - Between pre-beta and beta lipoprotein; <b>abnormal lipoprotein<>
195Lipoprotein chemical precipitation
1. Heparin and dextran sulfate<br>2. Manganese or magnesium
196Antibodies on solid supports specific to apolipoproteins
Immunochemical method
197Functions in lipid to tissue delivery; protects and maintains lipoprotein
Apolipoprotein
198Largest and least dense lipoprotein
Chylomicrons
199Chylomicrons transport mechanism
Exogenous transport (lipids to liver)
200Apolipoprotein of chylomicron
Apo B-48
201VLDL transport mechanism
Endogenous transport (lipids to connective tissue)
202Apolipoprotein of VLDL
Apo B-100
203Bad cholesterol; most atherogenic lipoprotein
Low density lipoprotein (LDL)
204Composition of plaque
<b>Clot + LDL + WBC<> = atherosclerosis<br>May lead to ↓ O<sub>2</sub> or stroke
205LDL cholesterol transport
Forward (liver to tissue)
206LDL apolipoprotein
Apo B-100
207Reference value for LDL
< 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>> 190 mg/dL - very high
208Formula for LDL - Cholesterol/LDL-C
Total cholesterol - HDL - VLDL
209Friedewald 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<>
210De Long method (indirect method) for TAG
1. VLDL (mmol/L) = TAG/2.825<br>2. VLDL (mg/dL) - TAG/6.5
211The most common research method for LDL-C
Beta-quantification
212Most important in cardiac risk assessment
LDL-C
213Known as the good cholesterol; smallest and most dense lipoprotein
HDL
214Principal way to maintain cholesterol level
HDL
215HDL cholesterol transport
Reverse (tissue to liver)
216HDL apolipoprotein
Apo A-1
217Reference value of HDL
40 mg/dL - cutoff level<br>< 35 mg/dL - high risk for coronary heart disease<br>> 60 mg/dL - high (protective)
218Independent risk factor for atherosclerosis; competes with plasminogen receptors
Lipoprotein A/Sinking pre-beta lipoprotein
219VLDL catabolic product; associated with Type III hyperlipoproteinemia
Intermediate density lipoprotein (IDL)
220Minor lipoproteins
1. Lipoprotein A/Sinking pre-beta lipoprotein (Lp<sub>a</sub>)<br>2. Intermediate density lipoprotein (IDL)
221Abnormal lipoproteins
1. Lipoprotein X<br>2. B-VLDL
222Associated to obstructive jaundice caused by gallstones and LCAT deficiency
Lipoprotein X
223Specific and sensitive indicator of cholestasis
Lipoprotein X
224Abnormally migrating VLDL; associated in dysbetalipoproteinemia/Type III hyperlipoproteinemia
B-VLDL
225Defective LDL receptors; total cholesterol and LDL-C is 2-3x above normal.
Familial hypercholesterolemia (Type 2a)
226Characterized by a confirmatory feature of broad abnormal band between VLDL and LDL (B-VLDL)
Dysbetalipoproteinemia/Type III hyperlipoproteinemia
227Defective Apo-B synthesis; also known as Bassen-Kornzweig syndrome
Abetalipoproteinemia
228Absent in abetalipoproteinemia
VLDL, LDL, and chylomicrons; all lipoproteins uses Apo B apolipoproteins which has defective synthesis in abetalipoproteinemia
229Low in abetalipoproteinemia
Cholesterol and TAG
230Apo B deficiency; LDL-C, VLDL-C, total cholesterol, and total TAG is low
Hypobetalipoproteinemia
231Orange tonsil and pharynx; absent HDL due to mutation in <b>ABCA1<> gene used for HDL synthesis
"Tangier's disease"
232Characterized by LCAT deficiency
Fish-eye disease
233Characterized by hexosaminidase A enzyme deficiency resulting to sphingolipid accumulation.
"Tay-Sach's disease"
234Inability to clear chylomicron particles resulting to chylomicronemia = pancreatitis
LPL deficiency
235National 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
236Gross composition of proteins in the body
1/2 is Albumin<br>1/2 is Globulin composed of A1, A2, B, and Y.
237Proteins are _____. They are weak positive and weak negative; may undergo electrophoresis.
Amphoteric
238True or False.<br><br>All proteins are synthesized in the liver.
False. Except antibodies which are synthesized by plasma cells.
239Linear sequence of amino acid; determines protein identity
Primary structure of protein
240Winding of the polypeptide chain
Secondary structure of protein
241Dimensional configuration; gives physical and chemical properties and is affected by denaturation
Tertiary structure of protein
2422 or more polypeptide chains
Quaternary structure of protein
243Transported by prealbumin
Vitamin A and Thyroxine
244Associated with malnutrition and used as a CSF landmark
Prealbumin/Transthyretin
245Increased prealbumin (CAS)
1. Alcoholism<br>2. Chronic renal failure<br>3. Steroid treatment
246Decreased prealbumin (PiHIT)
1. Poor nutrition<br>2. Hepatic damage<br>3. Tissue necrosis<br>4. Inflammatory response
247It has the highest concentration of all proteins; a general transport protein which means it has affinity to majority of substances
Albumin
248Maintains osmotic pressure, pH buffer (binds to H<sup>+</sup>), negative APR, and an indicator of nutritional status
Albumin
249Prognostic marker of cystic fibrosis
Albumin
250Hereditary absence of albumin
Analbuminemia
251Two albumin bands
Bisalbuminemia
252Most common dye used in dye binding of albumin
Bromcresol Green (BCG)
253Most specific dye used in dye binding of albumin
Bromcresol Purple (BCP)
254Nonspecific dye used in dye binding of albumin
Methyl orange
255Dye 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>"
256Increased albumin
1. Severe dehydration<br>2. Prolongued tourniquet application
257Water escapes on the blood vessels due to prolonged tourniquet application
Artefactual hyperalbuminemia
258Decreased albumin due to low synthesis (MMC)
1. Chronic liver disease<br>2. Malabsorption<br>3. Malnutrition
259Decreased albumin due to increased loss
1. Nephrotic syndrome<br>2. Massive burns and exfoliative dermatitis<br>3. Protein-losing enteropathy<br>4. Osthostatic proteinuria
260Decreased albumin due to increased catabolism
1. Malignancy<br>2. Thyrotoxicosis
261Condition with the lowest albumin levels
Nephrotic syndrome
262Major 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)
263Beta-Gamma bridging
Liver cirrhosis
264Monoclonal spike in gamma
Multiple myeloma
265Alpha-2 globulin spike (10 fold or more) and low albumin
Nephrotic syndrome
266Alpha-1 globulin flat curve
Alpha-1 antitrypsin deficiency resulting to pulmonary emphysema and/or liver cirrhosis
267Alpha-1 and alpha-2 globulin spikes
Acute inflammation
268Polyclonal gammopathy
Chronic inflammation
269Defective alpha-1 antitrypsin
Liver cirrhosis
270Binds to estradiol and tumor marker for hepatic and gonadal cancer
Alpha-1 fetoprotein (AFP)
271AFP levels in neural tube defect (ancephaly or spina bifida)
Increased AFP
272"AFP levels in Down's syndrome"
Decreased AFP
273Increased 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)
275Inhibited by A1-x (PANCAT MACHY (Pangkat Matsing))
1. Cathepsin G<br>2. Pancreatic elastase<br>3. Mast cell chymase<br>4. Chymotrypsin
276Major carrier of vitamin D and important for bone formation
Gc-Globulin (Group-specific component/Vitamin D-binding protein)
277Carries fatty acids and endotoxin; a co-chemotactic factor (attracts WBC) and binds with actin
Gc-Globulin (Group-specific component/Vitamin D-binding protein)
278Increased Gc-Globulin
3rd trimester of pregnancy
279Decreased Gc-Globulin
Protein losing enteropathy and liver disease
280Alpha 1 Globulins
1. AAT<br>2. AFP<br>2. A1-X<br>4. Gc-Globulin
281Alpha 2 Globulins
1. Haptoglobin<br>2. Ceruloplasmin<br>3. Alpha-2 Macroglobulin (AMG)
282Binds to hemoglobin (which binds to iron); inverse relationship with intravascular hemolysis (e.g. HDN)
Haptoglobin
283Increased haptoglobin
1. Stressful conditions<br>2. Myoglobinuria
284Binds with copper to deliver into organs; has enzymatic activities and imparts blue color to protein
Ceruloplasmin
285Decreased ceruloplasmin
"1. Wilson's disease<br>2. Kayser-fleisher rings<br>3. Menkes kinky hair syndrome"
286Genetic disorder resulting to liver damage due to excess copper storage
"Wilson's disease"
287Deposition of copper in the eyes
Kayser-fleisher rings
288Inability to absorb copper resulting to copper deficiency
Menkes kinky hair syndrome
289Thrombin and plasmin in patients with diabetes mellitus
Thrombin and plasmin are blocked in DM. Hence, delayed clot formation (thrombin) and delayed clot dissolution (plasmin).
290Predominant globulin in the alpha-2 region; largest major nonimmunoglobulin protein in plasma
Alpha-2 macroglobulin
291Beta Globulins (TFC-HBC)
1. Hemopexin<br>2. Transferrin/Siderophilin<br>3. Fibrinogen <br>4. Complement<br>5. C-reactive protein (CRP)<br>6. Beta-2-Microglobulin
292Binds heme; helps in the diagnosis of early hemolysis
Hemopexin
293Predominant globulin in beta region; transports iron and used to determine cause of anemia
Transferrin/Siderophilin
294Beta globulin spike
Iron deficiency anemia
295Increased transferrin
Iron deficiency anemia
296Decreased 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
297Relationship 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"">"
298Most abundant coagulation factor; increased in inflammation/APR
Fibrinogen
299Increased fibrinogen
Cardiovascular disease
300Decreased fibrinogen
DIC