Chapter 41 Flashcards
Which of the following is NOT a major kidney function?
a. Diffusion b. Secretion c. Reabsorption d. Filtration
a. Diffusion
What is the normal range of urine specific gravity?
a. 1.001–1.003 b. 1.035–1.35 c. 1.005–1.030 d. 1.000–1.003
c. 1.005–1.030
Which of the following is NOT a classification for urine specimens?
a. Fasting/timed b. Voided specimen c. First morning d. 24-hour
b. Voided specimen
Which of the following is an indication with the presence of casts and renal epithelial cells?
a. Cancer b. Possible diabetes c. No concern d. Possible kidney disease
d. Possible kidney disease
Which of the following specimens usually requires added preservatives in the container?
a. Random b. 24-hour c. Catheterized d. Fasting timed
b. 24-hour
Which area on the reagent test strip would be positive, indicating an infection and its presence in a urine sample?
a. Leukocytes b. Urobilinogen c. Specific gravity d. Ketones
a. Leukocytes
Which of the following is NOT an example of an artifact seen in urine?
a. Crystals b. Powder c. Fibers d. Hair
a. Crystals
Which of the following is an abnormal substance in urine?
a. Fat b. Ammonium c. Urea d. Chloride
a. Fat
When casts are formed, what accumulates in the kidney tubules?
a. Protein b. pH c. Specific gravity d. Ketones
a. Protein
Which of the following is the most appropriate action when performing a microscopic examination of a urine specimen?
a. Centrifuge a 5 ml aliquot at 1,000 rpm for 5 minutes. b. Use the last night specimen and store it in a refrigerator. c. Pour off the supernatant leaving about 1 ml in the bottom. d. Scan the sediment using a high-power objective.
c. Pour off the supernatant leaving about 1 ml in the bottom.
Which of the following best describes the color of normal urine?
a. Smoky b. Straw c. Amber d. Clear
b. Straw
Which of the following is the most common urine specimen collection, performed in the outpatient setting?
a. Catheterized b. First morning c. Random (spot) d. Midstream clean-catch
c. Random (spot)
What is NOT required on the urinalysis report?
a. Patient’s signature b. Type of urine specimen c. Date and time the urine was tested d. Provider who ordered the urinalysis e. Findings
a. Patient’s signature
Which of the following urine specimens may be required when urine specimens need to be sterile?
a. Fasting timed b. Catheterized c. 24-hour d. Random
b. Catheterized
Which of the following is a true statement regarding a first-morning urine specimen?
a. More dilute b. Higher acid pH c. Lower acid pH d. None of the above
b. Higher acid pH
Which of the following is the most frequently performed procedure in the medical office laboratory?
a. Microbiology b. Chemistry c. Hematology d. Urinalysis
d. Urinalysis
Which of the following is NOT included in the physical examination of urine?
a. Noting unusual urine odor b. Observing and recording color c. Noting excess glucose d. Measuring specific gravity
c. Noting excess glucose
Which of the following is normally included in completely reabsorbed threshold substances?
a. Amino acids b. Protein c. Chloride d. Creatinine
b. Protein
Which of the following best describes what causes a foul odor in a urine sample?
a. Diabetes b. Bacteria c. Vitamins d. Beets
b. Bacteria
Which of the following are significant crystals that need to be documented?
a. Ammonium biurate b. Triple phosphate c. Calcium oxalate d. Uric acid
d. Uric acid
Which of the following best describes the characteristics of yeast cells on microscopic examination?
a. Larger than red blood cells b. Smaller than red blood cells c. Resembles crystals d. Resembles casts
b. Smaller than red blood cells
Which of the following is a normal substance found in the urine
a. Blood b. Bile c. Creatinine d. Fat
c. Creatinine
Near the end of the blood’s journey through the kidney, in which area are the other substances that have not already been filtered secreted into the urine?
a. Henle’s loop b. Distal convoluted tubule c. Proximal convoluted tubule d. Glomerulus
b. Distal convoluted tubule
Which of the following is NOT true about casts?
a. They are classed according to the substances in them. b. The most common is the hyaline cast. c. They are cylindrical with round or flat ends. d. They are formed when ketones accumulate.
d. They are formed when ketones accumulate.
