PNB 2265 EXAM 4- QUIZ QUESTIONS
AND ANSWERS
Which of the following will help correct acidosis?
a) speed up rate of proton pump
b) utilize phosphate buffers for secreted H+ ions
c) renal metabolism of glutamine to produce HCO3-
d) all of the above - Correct Answers -b) utilize phosphate buffers for secreted H+ ions
The relationship between the ascending and descending limbs of the loop of Henle in
juxtamedullary nephrons provides the______
a) mechanism by which we reabsorb glucose in the proximal tubule
b) mechanism to maintain the osmotic gradient
c) countercurrent multiplier
d) mechanism for water reabsorption in the proximal and distal tubule - Correct Answers
-c) countercurrent multiplier
Which of the following would be the result of treatment with an ACE-I (Angiotensin
Converting Enzyme Inhibitor) drug?
a) decreased production of Renin
b) decreased production of Angiotensiongen
c) decreased fluid volume in the circulatory system
d) all of the above - Correct Answers -c) decreased fluid volume in the circulatory
system
The primordial follicle is contained in the ____ and the tertiary/Graffian follicle is
contained in the ______
a) ovary; fallopian tube
b) fallopian tube; ovary
c) fallopian tube; fallopian tube
d) ovary; uterus
e) ovary; ovary - Correct Answers -e) ovary; ovary
Consider the myogenic mechanism for auto-regulation of glomerular filtration rate. If
renal blood pressure rises,
a) the afferent arteriole will constrict in response
b) the afferent arteriole will dilate in response
c) the macula densa will secrete Renin
d) the macula densa will secrete K+ ions in response - Correct Answers -a) the afferent
arteriole will constrict in response
The ______ is located in the cortex, and it's permeability to water is dependent on a
hormone.
, a) descending limb of the loop of Henle
b) ascending limb of the loop of Henle
c) afferent arteriole
d) later proximal convoluted tubule
e) late distal convoluted tubule - Correct Answers -e) late distal convoluted tubule
______ occurs in the distal convoluted tubule.
a) active secretion of glucose
b) aldosterone- dependent reabsorption of Na+
c) countercurrent multiplication
d) reabsorption of glucose - Correct Answers -b) aldosterone-dependent reabsorption of
Na+
You have not drunk water since yesterday, and are a little dehydrated. What is the most
likely response to correct this?
a) water permeability of late distal tubule and collecting duct will increase
b) water is no longer reabsorbed by the descending limb of the loop of Henle
c) much more water is reabsorbed by the descending limb of the loop of Henle
d) the osmolarity of the urine will decrease to compensate - Correct Answers -a) water
permeability of late distal tubule and collecting duct will increase
To protect sperm, the _______ produce(s) secretions to neutralize traces of acidic urine
in the urethra.
a) prostate gland
b) ovarian follicle
c) bulbourethral gland
d) epididymis - Correct Answers -c) bulbourethral gland
As soon as the blood concentration of substance Y exceeds the renal threshold, you
would expect that Y will
a) no longer be reabsorbed
b) appear in the urine
c) be secreted
d) no longer be filtered - Correct Answers -a) no longer be reabsorbed
The efferent arteriole delivers blood to the _______.
a) vasa recta
b) afferent arteriole
c) peritubular capillaries
d) glomerulus - Correct Answers -c) peritubular capillaries
AND ANSWERS
Which of the following will help correct acidosis?
a) speed up rate of proton pump
b) utilize phosphate buffers for secreted H+ ions
c) renal metabolism of glutamine to produce HCO3-
d) all of the above - Correct Answers -b) utilize phosphate buffers for secreted H+ ions
The relationship between the ascending and descending limbs of the loop of Henle in
juxtamedullary nephrons provides the______
a) mechanism by which we reabsorb glucose in the proximal tubule
b) mechanism to maintain the osmotic gradient
c) countercurrent multiplier
d) mechanism for water reabsorption in the proximal and distal tubule - Correct Answers
-c) countercurrent multiplier
Which of the following would be the result of treatment with an ACE-I (Angiotensin
Converting Enzyme Inhibitor) drug?
a) decreased production of Renin
b) decreased production of Angiotensiongen
c) decreased fluid volume in the circulatory system
d) all of the above - Correct Answers -c) decreased fluid volume in the circulatory
system
The primordial follicle is contained in the ____ and the tertiary/Graffian follicle is
contained in the ______
a) ovary; fallopian tube
b) fallopian tube; ovary
c) fallopian tube; fallopian tube
d) ovary; uterus
e) ovary; ovary - Correct Answers -e) ovary; ovary
Consider the myogenic mechanism for auto-regulation of glomerular filtration rate. If
renal blood pressure rises,
a) the afferent arteriole will constrict in response
b) the afferent arteriole will dilate in response
c) the macula densa will secrete Renin
d) the macula densa will secrete K+ ions in response - Correct Answers -a) the afferent
arteriole will constrict in response
The ______ is located in the cortex, and it's permeability to water is dependent on a
hormone.
, a) descending limb of the loop of Henle
b) ascending limb of the loop of Henle
c) afferent arteriole
d) later proximal convoluted tubule
e) late distal convoluted tubule - Correct Answers -e) late distal convoluted tubule
______ occurs in the distal convoluted tubule.
a) active secretion of glucose
b) aldosterone- dependent reabsorption of Na+
c) countercurrent multiplication
d) reabsorption of glucose - Correct Answers -b) aldosterone-dependent reabsorption of
Na+
You have not drunk water since yesterday, and are a little dehydrated. What is the most
likely response to correct this?
a) water permeability of late distal tubule and collecting duct will increase
b) water is no longer reabsorbed by the descending limb of the loop of Henle
c) much more water is reabsorbed by the descending limb of the loop of Henle
d) the osmolarity of the urine will decrease to compensate - Correct Answers -a) water
permeability of late distal tubule and collecting duct will increase
To protect sperm, the _______ produce(s) secretions to neutralize traces of acidic urine
in the urethra.
a) prostate gland
b) ovarian follicle
c) bulbourethral gland
d) epididymis - Correct Answers -c) bulbourethral gland
As soon as the blood concentration of substance Y exceeds the renal threshold, you
would expect that Y will
a) no longer be reabsorbed
b) appear in the urine
c) be secreted
d) no longer be filtered - Correct Answers -a) no longer be reabsorbed
The efferent arteriole delivers blood to the _______.
a) vasa recta
b) afferent arteriole
c) peritubular capillaries
d) glomerulus - Correct Answers -c) peritubular capillaries
