1|Page
BIO 669 Exam 2 Study Guide 2025 – Advanced Cell
and Molecular Biology Practice Test with Questions,
Answers & Complete Review
Ace your BIO 669 Exam 2 with this updated 2025 study guide featuring advanced cell and
molecular biology concepts, practice exam questions, and expert-verified answers. Perfect
for graduate-level biology students preparing for midterms or final assessments.
BIO 669 Exam 2,
BIO 669 study guide,
BIO 669 exam questions and answers,
BIO 669 practice test 2025,
The regulation shown by a hormone feeding back on the organ
that released it, in addition to the physiologic effect feeding back
on that same producing/secreting organ that released the
hormone is termed:
a. Long feedback loop
b. Positive feedback
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c. Ultra short feedback loop - ANSWER-c. Ultra short feedback
loop
Which of the following characteristics is typical of rapid and long
lasting response hormones?
a. Binds to surface receptors
b. Carrier bound and lipid soluble
c. Dissolved in plasma, water soluble
d. High molecular weight - ANSWER-b. Carrier bound and lipid
soluble
Chromaffin cells are found in the:
a. Anterior pituitary gland
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b. Adrenal gland
c. Parathyroid gland
d. Pineal gland - ANSWER-b. Adrenal gland
Which of the following is an INCORRECT statement related to
Poiseuille's law?
a. The resistance to flow is directly proportional to the vessel
length
b. The resistance to flow is inversely proportional to blood
viscosity.
c. The resistance of flow is inversely related to the radius of tube
to the 4th power.
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d. The flow of blood is directly to the flow of the lumen -
ANSWER-b. The resistance to flow is inversely proportional to
blood viscosity
Myocardial remodeling of the affected area is a process that
results in:
a. Myocardial cells that are persistently ischemic and undergo
metabolic adaptation to prolong survival
b. Hypertrophy that occurs with loss of contractile function
c. temporary loss of contractile function that persists for hours to
days after restoration of perfusion
d. Fibroblast proliferation and severe inflammatory response -
ANSWER-b. Hypertrophy that occurs with loss of contractile
function
A hormone not involved in sugar metabolism is:
BIO 669 Exam 2 Study Guide 2025 – Advanced Cell
and Molecular Biology Practice Test with Questions,
Answers & Complete Review
Ace your BIO 669 Exam 2 with this updated 2025 study guide featuring advanced cell and
molecular biology concepts, practice exam questions, and expert-verified answers. Perfect
for graduate-level biology students preparing for midterms or final assessments.
BIO 669 Exam 2,
BIO 669 study guide,
BIO 669 exam questions and answers,
BIO 669 practice test 2025,
The regulation shown by a hormone feeding back on the organ
that released it, in addition to the physiologic effect feeding back
on that same producing/secreting organ that released the
hormone is termed:
a. Long feedback loop
b. Positive feedback
,2|Page
c. Ultra short feedback loop - ANSWER-c. Ultra short feedback
loop
Which of the following characteristics is typical of rapid and long
lasting response hormones?
a. Binds to surface receptors
b. Carrier bound and lipid soluble
c. Dissolved in plasma, water soluble
d. High molecular weight - ANSWER-b. Carrier bound and lipid
soluble
Chromaffin cells are found in the:
a. Anterior pituitary gland
,3|Page
b. Adrenal gland
c. Parathyroid gland
d. Pineal gland - ANSWER-b. Adrenal gland
Which of the following is an INCORRECT statement related to
Poiseuille's law?
a. The resistance to flow is directly proportional to the vessel
length
b. The resistance to flow is inversely proportional to blood
viscosity.
c. The resistance of flow is inversely related to the radius of tube
to the 4th power.
, 4|Page
d. The flow of blood is directly to the flow of the lumen -
ANSWER-b. The resistance to flow is inversely proportional to
blood viscosity
Myocardial remodeling of the affected area is a process that
results in:
a. Myocardial cells that are persistently ischemic and undergo
metabolic adaptation to prolong survival
b. Hypertrophy that occurs with loss of contractile function
c. temporary loss of contractile function that persists for hours to
days after restoration of perfusion
d. Fibroblast proliferation and severe inflammatory response -
ANSWER-b. Hypertrophy that occurs with loss of contractile
function
A hormone not involved in sugar metabolism is:
