Principles of Pharmacology- APEA
EXAM Questions WITH CORRECT
ANSWERS (100% VERIFIED
SOLUTIONS) || UPDATED
2025/2026||A+ GRADED||100%
GUARANTEED PASS||<<NEWEST
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The scientific study of origin, composition, mode of action, therapeutic use and
toxicology is known as:
pharmacotherapeutics.
receptor theory.
pharmacokinetics.
pharmacology. - ANSWER ✓ pharmacology.
The fusion of the synaptic vesicles to the presynaptic plasma membrane is
preceded by the influx of:
sodium ions.
chloride ions.
calcium ions.
potassium ions. - ANSWER ✓ calcium ions.
A chemical synapse differs from an electrical synapse in that the signal
transmission:
is rapid.
requires a neurotransmitter.
is a passive process.
can occur in both directions. - ANSWER ✓ requires a neurotransmitter.
In the pharmacokinetics of a drug, the rate of metabolism:
is consistent among different patients.
is not influenced by genetic factors.
, is not affected by environmental factors.
varies widely among patients. - ANSWER ✓ varies widely among patients.
After a drug is metabolized by the liver and enters the bile, it is most likely to be:
excreted in the urine.
fecally excreted.
bound to plasma proteins.
reabsorbed into the portal vein. - ANSWER ✓ fecally excreted.
The term that describes the movement of a drug among parts of the body is:
biotransformation.
absorption.
distribution.
elimination. - ANSWER ✓ distribution.
Which of the following is a neurotransmitter within the parasympathetic nervous
system?
Epinephrine
Dopamine
Acetylcholine
Norepinephrine - ANSWER ✓ Acetylcholine
Which of the following is considered an inhibitory neurotransmitter?
Acetylcholine
Dopamine
Glycine
Norepinephrine - ANSWER ✓ Glycine
To elicit an effective bioavailability response, drugs with a high affinity for a
receptor site need to be delivered:
in lower doses.
in higher doses.
via extended-release formulations.
via sustained-release formulations. - ANSWER ✓ in lower doses.
The primary site of drug metabolism is the:
plasma.
liver.
kidney.
EXAM Questions WITH CORRECT
ANSWERS (100% VERIFIED
SOLUTIONS) || UPDATED
2025/2026||A+ GRADED||100%
GUARANTEED PASS||<<NEWEST
VERSION>>
The scientific study of origin, composition, mode of action, therapeutic use and
toxicology is known as:
pharmacotherapeutics.
receptor theory.
pharmacokinetics.
pharmacology. - ANSWER ✓ pharmacology.
The fusion of the synaptic vesicles to the presynaptic plasma membrane is
preceded by the influx of:
sodium ions.
chloride ions.
calcium ions.
potassium ions. - ANSWER ✓ calcium ions.
A chemical synapse differs from an electrical synapse in that the signal
transmission:
is rapid.
requires a neurotransmitter.
is a passive process.
can occur in both directions. - ANSWER ✓ requires a neurotransmitter.
In the pharmacokinetics of a drug, the rate of metabolism:
is consistent among different patients.
is not influenced by genetic factors.
, is not affected by environmental factors.
varies widely among patients. - ANSWER ✓ varies widely among patients.
After a drug is metabolized by the liver and enters the bile, it is most likely to be:
excreted in the urine.
fecally excreted.
bound to plasma proteins.
reabsorbed into the portal vein. - ANSWER ✓ fecally excreted.
The term that describes the movement of a drug among parts of the body is:
biotransformation.
absorption.
distribution.
elimination. - ANSWER ✓ distribution.
Which of the following is a neurotransmitter within the parasympathetic nervous
system?
Epinephrine
Dopamine
Acetylcholine
Norepinephrine - ANSWER ✓ Acetylcholine
Which of the following is considered an inhibitory neurotransmitter?
Acetylcholine
Dopamine
Glycine
Norepinephrine - ANSWER ✓ Glycine
To elicit an effective bioavailability response, drugs with a high affinity for a
receptor site need to be delivered:
in lower doses.
in higher doses.
via extended-release formulations.
via sustained-release formulations. - ANSWER ✓ in lower doses.
The primary site of drug metabolism is the:
plasma.
liver.
kidney.
