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BIOL 373: Midterm 2 Quizzes well answered/passed
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BIOL 373: Midterm 2 Quizzes well answered/passed
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BIOL 373: Midterm 2 QuizzesIncreases - correct answer ✔✔What happens to GFR when the efferent arterioles constricts?
E) - correct answer ✔✔In response to an increase in systemic arterial pressure, you would predict...
A) dilation of afferent arterioles
B) constriction of afferent arterioles
C) increased GFR
D) little or no change in GFR
E) Both B and D
F) Both B and C
The ascending limb of loop of Henle where it connects with distal tubule - correct answer ✔✔What part
of the nephron tubule is part of the JGA?
Na+ - correct answer ✔✔The ion that is commonly linked to indirect active transport during
reabsorption in nephrons is?
- ENac channels
- symporters that couple Amino Acid and Na+ Transport
- sodium-glucose cotransporters (SGLTs) - correct answer ✔✔Na+ moves across the apical membrane of
epithelial cells of the proximal tubule via....? (3)
D) - correct answer ✔✔Glucose reabsorption across the epithelium of the proximal tubule is
accomplished by...
A) transport across the apical membrane against its concentration gradient, coupled with Na+
B) transport across the apical membrane down its concentration gradient, coupled with Na+
C) facilitated diffusion across the basolateral membrane down its concentration gradient
D) A and C
, E) B and C
True: This may be pathological. - correct answer ✔✔T or F: Excretion of significant amounts of protein in
the urine is most likely due to an issue with glomerular filtration.
D) - correct answer ✔✔A multi-subunit protein hormone with a molecular weight of 24 kDa could be...
A) freely filtered at glomerulus
B) reabsorbed from renal tubules and recycled back into circulation to act on target cells again
C) reabsorbed in proximal tubule, degraded into AAs by renal epithelial cells, and taken into circulation
D) A and C
E) A, B, and C
Renal threshold - correct answer ✔✔The plasma concentration at which glucose first appears in the
urine is called?
The volume of plasma cleared of X per unit time - correct answer ✔✔Define renal clearance of a
substance X
Net reabsorption; net secretion and X rapidly cleared from blood - correct answer ✔✔If the clearance
rate of substance X is LESS than the amount filtered, what does this mean? If the clearance rate of
substance X is MORE than the amount filtered, what does this mean?
B) - correct answer ✔✔Matt has diabetes insipidus. His disease is caused by a loss-of-function mutation
in the VP receptor. Which of the following is true:
A) he tends to produce a very concentrated urine
B) he tend to produce copious quantities of very dilute urine
A) - correct answer ✔✔In the presence of maximal concentrations of VP...
A) most of water filtered at glomerulus is reabsorbed in the proximal tubule
B) most of water filtered at glomerulus is reabsorbed in distal tubule and collecting duct
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