1How closely a computed/measured value agrees with true value is ____
accuracy
2How closely individual computer/measured values agree with each other is ____
precision
3what is not considered a biohazard?
Sweat
4a urine sample contaminated with feces is rejecting at what stage
Pre analytical
5what is the % of cardiac output on the kidney?
25%
7Polydipsia is a symptom of both diabetes mellitus and diabetes insipidus. (True/False)
True
8An unpreserved urine specimen left at room temperature overnight will have decreased:
A) bacteria
B) specific gravity and pH
C) glucose and ketones
D) color and specific gravity
C) glucose and ketones
9Increased turbidity in urine stored at room temperature is usually caused by:
A) Evaporation
B) White blood cells
C) Bacterial growth
D) Protein precipitation
C) Bacterial growth
10Which of the following urine chemicals will deteriorate when exposed to light?
A) pH
B) leukocytes esterase
C) bilirubin
D) specific gravity
C) bilirubin
11Urine from a patient with diabetes insipidus has:
A) decreased volume and decreased specific gravity
B) decreased volume and increased specific gravity
C) increased volume and increased specific gravity
D) increased volume and decreased specific gravity
D) increased volume and decreased specific gravity
12All of the following are components of normal urine except:
A) Urea
B) Chloride
C) Amino acids
D) Creatinine
C) Amino acids
13The recommended specimen for routine analysis testing is the:
A) random specimen
B) timed specimen
C) first morning specimen
D) catheterized specimen
C) first morning specimen
14A urine specimen containing a large amount of precipitated amorphous material may have been preserved using:
A) refrigeration
B) phenol
C) formalin
D) toluene
A) refrigeration
15The polyuria associated with diabetes mellitus is caused by:
A) the presence of excess glucose in the urine
B) a defect in the production of ADH
C) the diuretic effect of insulin
D) failure of the collecting duct to respond to ADH
A) the presence of excess glucose in the urine
16A dark yellow urine producing yellow foam may contain:
A) Hemoglobin
B) Protein
C) Red blood cells
D) Bilirubin
D) Bilirubin
17The primary pigment responsible for normal urine color is:
A) Uroerythrin
B) Urochrome
C) Hemoglobin
D) Bilirubin
B) Urochrome
18The presence of a white precipitate in freshly voided urine can be caused by:
A) amorphous urates in alkaline urine
B) amorphous urates in acid urine
C) amorphous phosphates in alkaline urine
D) amorphous phosphates in acid urine
C) amorphous phosphates in alkaline urine
19Quality control on reagent strips must be performed whenever a/an:
A) Abnormal result is obtained
B) Different person performs the test
C) New bottle of strips is opened
D) Student is training in the laboratory
C) New bottle of strips is opened