MIDTERM 2 BIOL373 4AB 1 EXAM QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS GRADED A++
The vasculature of the mammalian kidney is unusual in that...Question options:
a)It has ducts that nephrons empty into, which drain into the renal pelvis
b)There are bends in the distal tubules of each nephron looping back toward
Bowman's capsule
c)Each nephron has glomerular and peritubular capillary beds connected by a
portal vein
d)It has two capillary beds between the afferent and efferent arteriole of each
nephron
e)Each nephron has glomerular and peritubular capillary beds connected by an
efferent arteriole
e)Each nephron has glomerular and peritubular capillary beds connected by an efferent
arteriole
What happens to renal blood flow when the afferent arteriole constricts?Question
options:
a)It increases
b)It decreases
c)It stays the same
-
, In response to an increase in systemic arterial pressure, you would
predict...Question options:
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
e)Both b and d
What part of the nephron tubule is part of the juxtaglomerular apparatus?:
a)The descending limb of the loop of Henle where it connects to the ascending
limb
b)The renal pelvis
c)The proximal tubule where it contacts the descending limb of the loop of Henle
d)The ascending limb of the loop of Henle where it connects with the distal tubule
e)The collecting duct where it joins the ureter
d)The ascending limb of the loop of Henle 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?Question options:
a)Podocytes around glomerular capillaries
b)Macula densa cells
c)Glomerular capillaries
d)Granular cells
e)Proximal tubular epithelial cells
WITH COMPLETE SOLUTIONS GRADED A++
The vasculature of the mammalian kidney is unusual in that...Question options:
a)It has ducts that nephrons empty into, which drain into the renal pelvis
b)There are bends in the distal tubules of each nephron looping back toward
Bowman's capsule
c)Each nephron has glomerular and peritubular capillary beds connected by a
portal vein
d)It has two capillary beds between the afferent and efferent arteriole of each
nephron
e)Each nephron has glomerular and peritubular capillary beds connected by an
efferent arteriole
e)Each nephron has glomerular and peritubular capillary beds connected by an efferent
arteriole
What happens to renal blood flow when the afferent arteriole constricts?Question
options:
a)It increases
b)It decreases
c)It stays the same
-
, In response to an increase in systemic arterial pressure, you would
predict...Question options:
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
e)Both b and d
What part of the nephron tubule is part of the juxtaglomerular apparatus?:
a)The descending limb of the loop of Henle where it connects to the ascending
limb
b)The renal pelvis
c)The proximal tubule where it contacts the descending limb of the loop of Henle
d)The ascending limb of the loop of Henle where it connects with the distal tubule
e)The collecting duct where it joins the ureter
d)The ascending limb of the loop of Henle 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?Question options:
a)Podocytes around glomerular capillaries
b)Macula densa cells
c)Glomerular capillaries
d)Granular cells
e)Proximal tubular epithelial cells
