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
What is the correct sequence of events for activation of specific helper T cell? (note=
IL= interleukin, Not: some steps may be omitted)
a) complexing antigen with antigen presenting cell, costimulation, secretion of IL-1,
antigen presentation
b) antigen presentation, costimulation, secretion of IL-1, T cell division
c) secretion of IL-1, costimulation, antigen presentation, T cell division
d) Complexing MHC-I protein with antigen, secretion of IL-2 =, secretion of IL-1 -
Correct Answers -a) complexing antigen with antigen presenting cell, costimulation,
secretion of IL-1, antigen presentation
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
Filtrate is produced by the_______.
a) proximal convoluted tubule
b) juxtaglomerular apparatus
c) loop of henle
d) renal corpuscle - Correct Answers -d) renal corpuscle
, The clearance for creatinine is_______.
a) slightly greater than the clearance for inulin
b) equal for the GFR, about 7.5 L/hr
c) about half the GFR
d) close or equal to zero - Correct Answers -a) slightly greater than the clearance of
inulin
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 constant region of an antibody______
a) has binding sites for C-1 complement protein
b) is involved in the effector (destroyer) mechanism for antibody-mediated immunity
c) is the same for all types of IgG antibodies
d) all of the above - Correct Answers -d) all of the above
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
A baby acquires_________ immunity to a bacterial pathogen after antibodies are
transferred from their mother during breast feeding.
a) active
b) passive
c) both active and passive - Correct Answers -b) passive
______ occurs in the distal convoluted tubule.
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
What is the correct sequence of events for activation of specific helper T cell? (note=
IL= interleukin, Not: some steps may be omitted)
a) complexing antigen with antigen presenting cell, costimulation, secretion of IL-1,
antigen presentation
b) antigen presentation, costimulation, secretion of IL-1, T cell division
c) secretion of IL-1, costimulation, antigen presentation, T cell division
d) Complexing MHC-I protein with antigen, secretion of IL-2 =, secretion of IL-1 -
Correct Answers -a) complexing antigen with antigen presenting cell, costimulation,
secretion of IL-1, antigen presentation
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
Filtrate is produced by the_______.
a) proximal convoluted tubule
b) juxtaglomerular apparatus
c) loop of henle
d) renal corpuscle - Correct Answers -d) renal corpuscle
, The clearance for creatinine is_______.
a) slightly greater than the clearance for inulin
b) equal for the GFR, about 7.5 L/hr
c) about half the GFR
d) close or equal to zero - Correct Answers -a) slightly greater than the clearance of
inulin
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 constant region of an antibody______
a) has binding sites for C-1 complement protein
b) is involved in the effector (destroyer) mechanism for antibody-mediated immunity
c) is the same for all types of IgG antibodies
d) all of the above - Correct Answers -d) all of the above
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
A baby acquires_________ immunity to a bacterial pathogen after antibodies are
transferred from their mother during breast feeding.
a) active
b) passive
c) both active and passive - Correct Answers -b) passive
______ occurs in the distal convoluted tubule.
