Biol 373 quiz 4ab latest 2025|2026
update with complete solutions!!!
The vasculature of mammalian kidneys is unusual because CORRECT ANSWERS
Each nephron has glomerular and peritublar capillary beds connected by an efferent
arteriole
What happens to renal blood flow when the afferent arteriole is constricts? CORRECT
ANSWERS It decreases
What happens to glomerular filtration rate (GFR) when the afferent arteriole constricts?
CORRECT ANSWERS It decreases
What happens to glomerular filtration rate (GFR) when the Efferent arteriole constricts?
CORRECT ANSWERS It increases
In response to an increase in systemic arterial pressure you can predict that...
CORRECT ANSWERS Constriction of afferent arterioles occurs and there is little or no
change in GFR
What part of the nephron tubule is part of the juxtaglomerular apparatus? CORRECT
ANSWERS The ascending limb of the loop of hence where it connects with the distal
tubule
Which of the following monitors tubular salt concentrations and can release paracrine
factors that affect afferent arteriole diameter? CORRECT ANSWERS Macula dense
cells
As fluid moves within the tubules through the regions of the nephron, the fluid ______ is
the most similar in composition to plasma CORRECT ANSWERS entering the proximal
tubule
Na+ CORRECT ANSWERS Is the ion that is commonly linked to indirect active
transport during reabsorption in nephrons
Na+ moves across the apical membrane of epithelial cells of the proximal tubule via
CORRECT ANSWERS - ENac channels
- symporters that couple amino acid and Na+ transport
- sodium-glucose cotransporters (SGLTs)
glucose reabsorption across the epithelium of the proximal tubule is accomplished by ...
CORRECT ANSWERS - transport across the apical membrane AGAINST its
concentration gradient, coupled with Na+
- facilitated diffusion across the basolateral membrane DOWN its concentration gradient
update with complete solutions!!!
The vasculature of mammalian kidneys is unusual because CORRECT ANSWERS
Each nephron has glomerular and peritublar capillary beds connected by an efferent
arteriole
What happens to renal blood flow when the afferent arteriole is constricts? CORRECT
ANSWERS It decreases
What happens to glomerular filtration rate (GFR) when the afferent arteriole constricts?
CORRECT ANSWERS It decreases
What happens to glomerular filtration rate (GFR) when the Efferent arteriole constricts?
CORRECT ANSWERS It increases
In response to an increase in systemic arterial pressure you can predict that...
CORRECT ANSWERS Constriction of afferent arterioles occurs and there is little or no
change in GFR
What part of the nephron tubule is part of the juxtaglomerular apparatus? CORRECT
ANSWERS The ascending limb of the loop of hence where it connects with the distal
tubule
Which of the following monitors tubular salt concentrations and can release paracrine
factors that affect afferent arteriole diameter? CORRECT ANSWERS Macula dense
cells
As fluid moves within the tubules through the regions of the nephron, the fluid ______ is
the most similar in composition to plasma CORRECT ANSWERS entering the proximal
tubule
Na+ CORRECT ANSWERS Is the ion that is commonly linked to indirect active
transport during reabsorption in nephrons
Na+ moves across the apical membrane of epithelial cells of the proximal tubule via
CORRECT ANSWERS - ENac channels
- symporters that couple amino acid and Na+ transport
- sodium-glucose cotransporters (SGLTs)
glucose reabsorption across the epithelium of the proximal tubule is accomplished by ...
CORRECT ANSWERS - transport across the apical membrane AGAINST its
concentration gradient, coupled with Na+
- facilitated diffusion across the basolateral membrane DOWN its concentration gradient
