ATI RN
Questions About The Urinary System Questions
Question 1 of 5
The tuft of capillaries in the renal corpuscle is called the
Correct Answer: B
Rationale: Glomerulus is the capillary tuft in the corpuscle not podocytes (cells), calyx, pyramid, or sinus. This defines filtration site, critical for GFR, contrasting with other terms.
Question 2 of 5
Most absorption and secretion occurs in this part of the nephron.
Correct Answer: A
Rationale: PCT handles ~65-70% reabsorption and secretion not loop, DCT, or collecting (fine-tuning). This specifies primary site, key for filtrate processing, contrasting with later segments.
Question 3 of 5
Which hormone does the kidney produce that stimulates red blood cell production?
Correct Answer: C
Rationale: Erythropoietin (EPO) from kidneys boosts RBCs not thrombopoietin, vitamin D, or renin. This specifies hematopoietic role, key for anemia, contrasting with other hormones.
Question 4 of 5
The micturition reflex center is located in the _____.
Correct Answer: D
Rationale: Micturition reflex is in sacral plexus (S2-S4) not pons, midbrain, or lumbar. This locates control, key for voiding, contrasting with higher centers.
Question 5 of 5
ADH has which of the following effects on the distal convoluted tubule?
Correct Answer: B
Rationale: ADH increases water reabsorption in DCT/collecting duct not decreasing, diluting, or increasing volume. This defines antidiuretic action, key for concentration, contrasting with diuretic effects.