1|Page
SFSU BIOL 212 Final Exam Actual Exam Newest
Actual Exam With Complete 100 Questions And
Correct Detailed Answers||Newest Exam!!! (Verified
Answers) |Already Graded A+||Newest Exam!!!
Homeostasis refers to maintaining a relatively stable
internal environment. The "internal environment" is:
a) the blood cells
b) body parts beneath the skin
c) the cytoplasm of all the cells in the body
d) plasma, interstitial fluid, and transcellular fluid
e) intracellular fluid - Answers-plasma, interstitial fluid, and
transcellular fluid
Which of the following is an example of positive feedback?
a) Consuming caffeine increases urine output, causing
dehydration
b) The arrival of platelets at a wound causes the release of
clotting factors which cause more platelets to arrive at the
wound
,2|Page
c) When a person stands up, blood pressure decreases
because of the blood pooling in the feet and legs. As a
result, the heart beats faster and blood vessels constrict in
order to bring blood pressure back to normal
d) both a) and b) are correct
e) both b) and c) are correct - Answers-The arrival of
platelets at a wound causes the release of clotting factors
which cause more platelets to arrive at the wound
Following an increase in body temperature, which of the
following responses will NOT occur?
a) an increase in skin blood flow
b) an increase in skin temperature
c) an increase in non-shivering thermogenesis
d) an increase in sweat production
e) an increase in evaporation of the skin - Answers-an
increase in non-shivering thermogenesis
When pyrogens are present, vasodilation is used by the
body to create a fever
,3|Page
a) True
b) False - Answers-True
Mice from a certain lab strain remain healthy as long as
you feed them regularly and do not let them exercise. After
they eat, their blood glucose level rises slightly and then
declines to a homeostatic level. However if these mice fast
or if they exercise at all, their blood glucose drops
dangerously. Which hypothesis best explains their
problem?
a) The mice have insulin-dependent diabetes
b) the mice lack insulin receptors on their cells
c) the mice lack glucagon receptors on their cells
d) The mice can't synthesize glycogen from glucose -
Answers-The mice lack glucagon receptors on their cells
Liver cells produce glycogen in response to:
a) glucagon
b) insulin - Answers-insulin
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One of insulin's mechanisms of action is to:
a) activate Na+/K+ pump
b) increase the activity of SGLT
c) increase the facilitated diffusion of glucose into certain
cells in the body
d) increase the number of sodium-linked glucose
transporters in the cell membrane
e) more than one of the above is correct - Answers-
increase the facilitated diffusion of glucose into certain
cells in the body
NADH is produced from each reaction described except
one. Identify the EXCEPTION.
a) during "aerobic" glycolysis
b) during the electron transport chain
c) in the Krebs cycle
d) during the conversion of pyruvate to acetyl CoA
e) more than one answer applies - Answers-during the
electron transport chain
SFSU BIOL 212 Final Exam Actual Exam Newest
Actual Exam With Complete 100 Questions And
Correct Detailed Answers||Newest Exam!!! (Verified
Answers) |Already Graded A+||Newest Exam!!!
Homeostasis refers to maintaining a relatively stable
internal environment. The "internal environment" is:
a) the blood cells
b) body parts beneath the skin
c) the cytoplasm of all the cells in the body
d) plasma, interstitial fluid, and transcellular fluid
e) intracellular fluid - Answers-plasma, interstitial fluid, and
transcellular fluid
Which of the following is an example of positive feedback?
a) Consuming caffeine increases urine output, causing
dehydration
b) The arrival of platelets at a wound causes the release of
clotting factors which cause more platelets to arrive at the
wound
,2|Page
c) When a person stands up, blood pressure decreases
because of the blood pooling in the feet and legs. As a
result, the heart beats faster and blood vessels constrict in
order to bring blood pressure back to normal
d) both a) and b) are correct
e) both b) and c) are correct - Answers-The arrival of
platelets at a wound causes the release of clotting factors
which cause more platelets to arrive at the wound
Following an increase in body temperature, which of the
following responses will NOT occur?
a) an increase in skin blood flow
b) an increase in skin temperature
c) an increase in non-shivering thermogenesis
d) an increase in sweat production
e) an increase in evaporation of the skin - Answers-an
increase in non-shivering thermogenesis
When pyrogens are present, vasodilation is used by the
body to create a fever
,3|Page
a) True
b) False - Answers-True
Mice from a certain lab strain remain healthy as long as
you feed them regularly and do not let them exercise. After
they eat, their blood glucose level rises slightly and then
declines to a homeostatic level. However if these mice fast
or if they exercise at all, their blood glucose drops
dangerously. Which hypothesis best explains their
problem?
a) The mice have insulin-dependent diabetes
b) the mice lack insulin receptors on their cells
c) the mice lack glucagon receptors on their cells
d) The mice can't synthesize glycogen from glucose -
Answers-The mice lack glucagon receptors on their cells
Liver cells produce glycogen in response to:
a) glucagon
b) insulin - Answers-insulin
, 4|Page
One of insulin's mechanisms of action is to:
a) activate Na+/K+ pump
b) increase the activity of SGLT
c) increase the facilitated diffusion of glucose into certain
cells in the body
d) increase the number of sodium-linked glucose
transporters in the cell membrane
e) more than one of the above is correct - Answers-
increase the facilitated diffusion of glucose into certain
cells in the body
NADH is produced from each reaction described except
one. Identify the EXCEPTION.
a) during "aerobic" glycolysis
b) during the electron transport chain
c) in the Krebs cycle
d) during the conversion of pyruvate to acetyl CoA
e) more than one answer applies - Answers-during the
electron transport chain
