Update ) Anatomy and
Physiology IV with Lab | Questions
and Answers | Grade A | 100%
Correct - Chamberlain
Question:
what is the main effect of calcitriol?
Answer:
to increase calcium and phosphate absorption in the small intestine
Question:
aldosterone, secreted by the adrenal cortex, acts on the nephron to
________________________
Answer:
increase sodium reabsorption and water retention
,Question:
which hormone increases water reabsorption in the collecting ducts of the
kidney?
Answer:
antidiuretic hormone (ADH)
Question:
parathyroid hormone (PTH) influences the kidneys by
__________________________
Answer:
increasing calcium reabsorption and increasing phosphate excretion
Question:
when blood pressure drops, baroreceptors stimulate the sympathetic nervous
system, which then _____________________________
Answer:
triggers the release of renin from the kidneys
,Question:
angiotensin II primarily functions to:
A) Decrease blood pressure
B) Increase blood pressure by acting as a potent vasoconstrictor
C) Stimulate glucose uptake in cells
D) Promote urine excretion
Answer:
B) Increase blood pressure by acting as a potent vasoconstrictor
Question:
Angiotensin II stimulates the adrenal cortex to secrete aldosterone, which:
A) Promotes Na+ and H2O reabsorption in distal convoluted tubule (DCT)
and collecting duct
B) Promotes glucose reabsorption in the proximal tubule
C) Increases potassium excretion only in the nephron loop
D) Directly lowers blood pressure
Answer:
A) Promotes Na+ and H2O reabsorption in distal convoluted tubule (DCT)
and collecting duct
, Question:
angiotensin II stimulates the posterior pituitary to secrete ADH, which
___________________________
Answer:
stimulates water reabsorption by the collecting duct
Question:
the descending limb of the nephron loop primarily
_______________________
Answer:
reabsorbs water
Question:
which statement is TRUE about the ascending limb of the nephron loop?
A) Reabsorbs water and Na+
B) Reabsorbs Na+, K+, Mg2+, and Cl-, but not water
C) Uses 65% of filtrate
D) Reabsorbs only glucose
Answer:
B) Reabsorbs Na+, K+, Mg2+, and Cl-, but not water