ATI RN
Multiple Choice Questions On Urinary System Questions
Question 1 of 5
How much urine is formed in 24 hours?
Correct Answer: C
Rationale: Average urine output is 1.5 L/day (varies 1-2 L), not 12 L (excessive), 100 mL (too low), or 3 L (high). This measures excretory output, vital for fluid balance, contrasting with extremes.
Question 2 of 5
The striated appearance of the pyramids is caused by
Correct Answer: A
Rationale: Parallel vasa recta/loop of Henle cause pyramid striations, not microtubules, connective tissue, or nerves. This explains medullary appearance, vital for countercurrent, contrasting with other tissues.
Question 3 of 5
Vigorous exercise could release high amounts of into the urine.
Correct Answer: C
Rationale: Exercise may cause transient albuminuria (protein leak), not glucose (reabsorbed), uric acid (purine), or ascorbic acid (vitamin). This identifies exercise-induced proteinuria, vital for renal stress, contrasting with normal solutes.
Question 4 of 5
Which blood vessel delivers blood to the cortex?
Correct Answer: A
Rationale: Interlobular arteries branch from arcuate to supply cortex, not interlobar (medulla), arcuate (boundary), or efferent (glomerulus). This specifies cortical supply, vital for nephron function, contrasting with other vessels.
Question 5 of 5
Eating large amounts of meat will increase the levels of in the blood.
Correct Answer: C
Rationale: Meat (protein) raises blood urea from amino acid breakdown, not protein (intact), creatinine (muscle), or uric acid (purine). This identifies nitrogenous waste, vital for metabolism, contrasting with other markers.