Exam 1 Questions

How closely a computed/measured value agrees with true value is ____

How closely individual computer/measured values agree with each other is ____

what is not considered a biohazard?

a urine sample contaminated with feces is rejecting at what stage

what is the % of cardiac output on the kidney?

What forces

Polydipsia is a symptom of both diabetes mellitus and diabetes insipidus. (True/False)

An 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

Increased turbidity in urine stored at room temperature is usually caused by:
A) Evaporation
B) White blood cells
C) Bacterial growth
D) Protein precipitation

Which of the following urine chemicals will deteriorate when exposed to light?
A) pH
B) leukocytes esterase
C) bilirubin
D) specific gravity

Urine 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

All of the following are components of normal urine except:
A) Urea
B) Chloride
C) Amino acids
D) Creatinine

The recommended specimen for routine analysis testing is the:

A) random specimen
B) timed specimen
C) first morning specimen
D) catheterized specimen

A urine specimen containing a large amount of precipitated amorphous material may have been preserved using:

A) refrigeration
B) phenol
C) formalin
D) toluene

The 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 dark yellow urine producing yellow foam may contain:

A) Hemoglobin
B) Protein
C) Red blood cells
D) Bilirubin

The primary pigment responsible for normal urine color is:
A) Uroerythrin
B) Urochrome
C) Hemoglobin
D) Bilirubin

The 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

Quality 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