ATI RN
Questions On The Urinary System Questions
Question 1 of 5
Which of the following is usually not found in the urine?
Correct Answer: D
Rationale: Glucose is fully reabsorbed in healthy kidneys, unlike magnesium, urea, and uric acid (excreted). This distinguishes normal urine composition, key for glycosuria detection, contrasting with waste products.
Question 2 of 5
The renal pyramids are located within the
Correct Answer: C
Rationale: Renal pyramids reside in the medulla, not columns, cortex, or pelvis (collecting). This locates pyramids, key for concentrating urine, contrasting with cortical structures.
Question 3 of 5
Which of these could appear in the urine from dieting or the utilization of excess lipids?
Correct Answer: D
Rationale: Ketones appear in urine during fat breakdown (ketosis), not urea (protein), uric acid (purine), or glycine (amino acid). This highlights ketonuria, key for metabolic states, contrasting with nitrogenous waste.
Question 4 of 5
How much of the cardiac output passes through the kidneys?
Correct Answer: B
Rationale: Kidneys receive ~25% of cardiac output (1.2 L/min), not 10%, 50%, or 65%. This quantifies renal perfusion, key for filtration, contrasting with under/overestimations.
Question 5 of 5
Where does ADH have its greatest effect?
Correct Answer: C
Rationale: ADH primarily acts on DCT and collecting duct (via aquaporins), not loop, PCT, or glomerulus. 'C' fits DCT focus here. This locates ADH action, key for urine concentration, contrasting with filtration sites.