Exam UPDATED Questions and CORRECT
Answers
Which of the following is NOT a nitrogenous waste normally found in urine?
a. Urea
b. Uric acid
c. Nitrite
d. Creatinine - CORRECT ANSWER- B Uric Acid?
Hematuria is generally absent in:
a. Acute glomerulonephritis
b. Chronic glomerulonephritis
c. Acute pyelonephritis
d. The nephrotic syndrome - CORRECT ANSWER- d. The nephrotic syndrome
Acute tubular necrosis is associated most often with:
a. Reduced renal blood supply to the renal tubules
b. Arteriosclerosis of the renal arteries and arterioles
c. An immune response to a previous urinary tract infection
d. Acute inflammation of the interstitial tissues - CORRECT ANSWER- a. Reduced renal
blood supply to the renal tubules
Which of the following white blood cells occur most frequently in urine sediment?
a. Monocytes
b. Neutrophils
,c. Lymphocytes
d. Histiocytes - CORRECT ANSWER- B. Neutrophils
Which of the following substances is used as a measure of the completeness of collection of a
timed urine specimen?
a. Creatinine
b. Salt
c. Urea
d. Urea nitrogen
e. Uric acid - CORRECT ANSWER- a. Creatinine
Which of the following specimens would most likely be used to provide an overall picture of a
patient's health?
a. Random specimen
b. First voided specimen
c. 12-hour specimen
d. 24-hour specimen - CORRECT ANSWER- a. Random Specimen
A large amount of white foam in the urine would most likely indicate the presence of:
Select one:
a. Proteins
b. Carbohydrates
c. Fats - CORRECT ANSWER- a. Proteins
Osmolality depends on this:
,a. Density of particles in solution
b. Disbursement of particles in solution
c. Concentration of particles in solution
d. Number of particles in solution - CORRECT ANSWER- d. Number of particles in
solution
Which of the following pathologic conditions is a probable cause of anuria?
a. Chronic phylonephritis
b. Diabetes mellitus
c. Shifts in fluid balance (e.g. edema)
d. Major hematolytic transfusion reaction - CORRECT ANSWER- d. Major hematolytic
transfusion reaction
The higher the pH level of urine, the:
a. Higher the chloride ion concentration in the urine
b. Lower the chloride ion concentration in the urine
c. Higher the hydrogen ion concentration in the urine
d. Lower the hydrogen ion concentration in the urine - CORRECT ANSWER- d. Lower the
hydrogen ion concentration in the urine
Practical sensitivity is defined as the lowest concentration of a urine substance that will produce
positive results with a test strip in:
a. At least 70% of all urine specimens
b. At least 80% of all urine specimens
c. At least 90% of all urine specimens
d. 100% of all urine specimens - CORRECT ANSWER- c. At least 90% of all urine
specimens
, The observation of a strong ammoniacal odor when performing the urinalysis is most often
caused by:
a. Diabetes mellitus
b. Improper handling and storage
c. Ingestion of certain foodstuffs
d. Urinary tract infection - CORRECT ANSWER- b. Improper handling and storage
The presence of granular casts in urine sediment may indicate all of the following EXCEPT:
a. Orthostatic proteinuria
b. Congestive heart failure
c. Mercury or ethylene poisoning
d. Acute or chronic renal failure - CORRECT ANSWER- c. Mercury or ethylene poisoning
Those casts which have at least two well-defined and distinct components are known as:
a. Broad casts
b. Mixed casts
c. Waxy casts
d. Epithelial cellular casts - CORRECT ANSWER- b. Mixed casts
A urine culture should be performed if more than how many white blood cells per high power
field are found?
a. 5
b. 8
c. 50