ATI LPN
Urinary System Questions and Answers Questions
Question 1 of 5
What portion of the nephron extends into the medulla?
Correct Answer: A
Rationale: Nephron loop dips into medulla, aiding in urine concentration gradient.
Question 2 of 5
In what part of the kidney are the glomeruli located?
Correct Answer: A
Rationale: Glomeruli are exclusively in the cortex of the kidney.
Question 3 of 5
What effect is achieved by having an arteriole that supplies blood and another that drains blood from the glomerulus?
Correct Answer: B
Rationale: Arterioles adjust glomerular pressure for filtration control.
Question 4 of 5
Which statement about kidney anatomy is correct? Renal pyramids are in the:
Correct Answer: A
Rationale: Pyramids in medulla end at papillae into minor calyces.
Question 5 of 5
What is the role of aldosterone?
Correct Answer: C
Rationale: Aldosterone enhances sodium reabsorption from filtrate.