NR.210.602
Clinical Pharmacology
FINAL EXAM READINESS GUIDE
Q&S
©2024/2025
,1. Multiple Choice: What is the primary mechanism of action
for ACE inhibitors?
a) Blockade of calcium channels
b) Inhibition of angiotensin-converting enzyme
c) Beta-adrenergic antagonism
d) Diuretic effect
Answer: b) Inhibition of angiotensin-converting enzyme
Rationale: ACE inhibitors work by inhibiting the
angiotensin-converting enzyme, which is responsible for
converting angiotensin I to angiotensin II, a potent
vasoconstrictor involved in blood pressure regulation.
2. Fill-in-the-Blank: __________ is the process by which a
drug's pharmacological effect is diminished when
administered over a prolonged period.
Answer: Tachyphylaxis
Rationale: Tachyphylaxis refers to the rapid decrease in
response to a drug after repeated doses over a short period
of time, necessitating higher doses to achieve the same
effect.
3. True/False: The blood-brain barrier is impermeable to
most ionized drug molecules.
Answer: True
Rationale: The blood-brain barrier is highly selective and
generally impermeable to ionized drugs due to its tight
junctions and lack of pores, which restricts the passage of
substances from the bloodstream into the brain.
4. Multiple Response: Select all that apply. Which of the
following factors can influence drug metabolism?
a) Age
©2024/2025
, b) Genetic polymorphisms
c) Liver function
d) Time of day
Answers: a) Age, b) Genetic polymorphisms, c) Liver
function
Rationale: Drug metabolism can be influenced by various
factors including age, as metabolic rate changes with age;
genetic polymorphisms, which can alter enzyme activity;
and liver function, as the liver is the primary site of drug
metabolism.
5. Multiple Choice: Which phase of drug metabolism
involves conjugation reactions?
a) Phase I
b) Phase II
c) Phase III
d) Phase IV
Answer: b) Phase II
Rationale: Phase II reactions involve conjugation, where
the drug or its metabolites from Phase I are coupled with
another substance to form a more water-soluble compound
that can be excreted.
6. Fill-in-the-Blank: The __________ effect is a
phenomenon where the presence of food in the stomach
alters the absorption of a drug.
Answer: Food
Rationale: The food effect can either increase or decrease
the absorption of a drug, depending on the drug's properties
and the type of food consumed.
7. True/False: Pharmacokinetics involves the study of how
the body affects a drug, while pharmacodynamics involves
©2024/2025
Clinical Pharmacology
FINAL EXAM READINESS GUIDE
Q&S
©2024/2025
,1. Multiple Choice: What is the primary mechanism of action
for ACE inhibitors?
a) Blockade of calcium channels
b) Inhibition of angiotensin-converting enzyme
c) Beta-adrenergic antagonism
d) Diuretic effect
Answer: b) Inhibition of angiotensin-converting enzyme
Rationale: ACE inhibitors work by inhibiting the
angiotensin-converting enzyme, which is responsible for
converting angiotensin I to angiotensin II, a potent
vasoconstrictor involved in blood pressure regulation.
2. Fill-in-the-Blank: __________ is the process by which a
drug's pharmacological effect is diminished when
administered over a prolonged period.
Answer: Tachyphylaxis
Rationale: Tachyphylaxis refers to the rapid decrease in
response to a drug after repeated doses over a short period
of time, necessitating higher doses to achieve the same
effect.
3. True/False: The blood-brain barrier is impermeable to
most ionized drug molecules.
Answer: True
Rationale: The blood-brain barrier is highly selective and
generally impermeable to ionized drugs due to its tight
junctions and lack of pores, which restricts the passage of
substances from the bloodstream into the brain.
4. Multiple Response: Select all that apply. Which of the
following factors can influence drug metabolism?
a) Age
©2024/2025
, b) Genetic polymorphisms
c) Liver function
d) Time of day
Answers: a) Age, b) Genetic polymorphisms, c) Liver
function
Rationale: Drug metabolism can be influenced by various
factors including age, as metabolic rate changes with age;
genetic polymorphisms, which can alter enzyme activity;
and liver function, as the liver is the primary site of drug
metabolism.
5. Multiple Choice: Which phase of drug metabolism
involves conjugation reactions?
a) Phase I
b) Phase II
c) Phase III
d) Phase IV
Answer: b) Phase II
Rationale: Phase II reactions involve conjugation, where
the drug or its metabolites from Phase I are coupled with
another substance to form a more water-soluble compound
that can be excreted.
6. Fill-in-the-Blank: The __________ effect is a
phenomenon where the presence of food in the stomach
alters the absorption of a drug.
Answer: Food
Rationale: The food effect can either increase or decrease
the absorption of a drug, depending on the drug's properties
and the type of food consumed.
7. True/False: Pharmacokinetics involves the study of how
the body affects a drug, while pharmacodynamics involves
©2024/2025
