, Geneva College NURS 251 Module 1 (pdf) | 2026/2027 | Portage
Learning Q&A | Pharmacology
1. Which term refers to the study or science of drugs, including their
origin, nature, properties, and effects on living organisms?
A) Pharmaceutics
B) Pharmacognosy
C) Pharmacology
D) Pharmacotherapeutics
Correct Answer: Pharmacology
Rationale: Pharmacology is the scientific study of drugs, encompassing their
effects on living systems. Pharmaceutics deals with dosage form design,
pharmacognosy is the study of natural drug sources, and
pharmacotherapeutics focuses on drug use in disease treatment.
2. What is the primary difference between a side effect and an adverse
effect?
A) Side effects are always harmful, while adverse effects are always
therapeutic
B) Side effects are usually undesirable but not harmful, whereas
adverse effects are potentially harmful
C) Side effects occur only with prescription drugs, while adverse effects
occur only with OTC drugs
D) Side effects require immediate discontinuation of therapy; adverse
effects do not
Correct Answer: Side effects are usually undesirable but not harmful,
whereas adverse effects are potentially harmful
Rationale: Side effects are typically mild, often tolerable, and not dangerous,
while adverse effects indicate potential harm requiring monitoring. Neither
requires automatic discontinuation without clinical judgment, and both can
occur with any medication type.
3. A patient has been taking a medication that successfully lowers their
blood pressure but causes mild nausea that resolves with food. How
should the nausea be classified?
A) Therapeutic effect
B) Side effect
C) Adverse effect
D) Toxic effect
,Correct Answer: Side effect
Rationale: The nausea is undesirable but not harmful and manageable, fitting
the definition of a side effect. It is distinct from the desired therapeutic effect
of lowering blood pressure and does not indicate poisoning or significant
patient harm.
4. Which term best describes a general term for undesirable and
potentially harmful drug effects that require clinical monitoring and
possible intervention?
A) Side effects
B) Adverse effects
C) Therapeutic effects
D) Placebo effects
Correct Answer: Adverse effects
Rationale: Adverse effects are undesirable and potentially harmful,
necessitating assessment to determine risk versus benefit. Unlike side
effects, they carry significant risk and may require dosage adjustment or
discontinuation to prevent patient harm.
5. A patient receiving chemotherapy develops severe bone marrow
suppression requiring hospitalization. What type of drug effect does
this represent?
A) Side effect
B) Therapeutic effect
C) Toxic effect
D) Allergic reaction
Correct Answer: Toxic effect
Rationale: Bone marrow suppression from chemotherapy is a toxic effect
indicating the drug is poisoning the body at harmful levels. While expected, it
is dangerous and potentially life-threatening, distinguishing it from milder
side or adverse effects.
6. What is a drug according to the pharmacological definition?
A) Only prescription medications approved by the FDA
B) Any chemical that affects the physiologic processes of a living
organism
C) Any substance that can be purchased over the counter
D) Only medications that require a prescription from a licensed
provider
, Correct Answer: Any chemical that affects the physiologic processes of a
living organism
Rationale: This broad definition includes all chemicals that alter bodily
functions, encompassing prescription drugs, OTC medications, and even
substances like alcohol or caffeine that affect physiology.
7. Which drug effect is described as the desired effect that alleviates a
condition or symptom?
A) Side effect
B) Therapeutic effect
C) Adverse effect
D) Toxic effect
Correct Answer: Therapeutic effect
Rationale: The therapeutic effect is the intended, beneficial outcome of drug
therapy, such as pain relief from an analgesic. This is the primary reason the
medication is prescribed, distinguishing it from other unintended effects.
8. A medication lowers blood glucose in a diabetic patient. This
represents which type of drug effect?
A) Toxic effect
B) Side effect
C) Therapeutic effect
D) Idiosyncratic reaction
Correct Answer: Therapeutic effect
Rationale: Lowering blood glucose in diabetes is the desired therapeutic
outcome of antidiabetic medications. This intended benefit forms the basis
for prescribing, unlike unintended side effects or toxic reactions.
9. Which term describes how a drug produces its effects at the molecular
level?
A) Pharmacokinetics
B) Mechanism of action
C) Pharmacodynamics
D) Bioavailability
Correct Answer: Mechanism of action
Rationale: Mechanism of action explains the specific biochemical interactions
through which a drug produces its therapeutic effects, such as receptor
Learning Q&A | Pharmacology
1. Which term refers to the study or science of drugs, including their
origin, nature, properties, and effects on living organisms?
A) Pharmaceutics
B) Pharmacognosy
C) Pharmacology
D) Pharmacotherapeutics
Correct Answer: Pharmacology
Rationale: Pharmacology is the scientific study of drugs, encompassing their
effects on living systems. Pharmaceutics deals with dosage form design,
pharmacognosy is the study of natural drug sources, and
pharmacotherapeutics focuses on drug use in disease treatment.
2. What is the primary difference between a side effect and an adverse
effect?
A) Side effects are always harmful, while adverse effects are always
therapeutic
B) Side effects are usually undesirable but not harmful, whereas
adverse effects are potentially harmful
C) Side effects occur only with prescription drugs, while adverse effects
occur only with OTC drugs
D) Side effects require immediate discontinuation of therapy; adverse
effects do not
Correct Answer: Side effects are usually undesirable but not harmful,
whereas adverse effects are potentially harmful
Rationale: Side effects are typically mild, often tolerable, and not dangerous,
while adverse effects indicate potential harm requiring monitoring. Neither
requires automatic discontinuation without clinical judgment, and both can
occur with any medication type.
3. A patient has been taking a medication that successfully lowers their
blood pressure but causes mild nausea that resolves with food. How
should the nausea be classified?
A) Therapeutic effect
B) Side effect
C) Adverse effect
D) Toxic effect
,Correct Answer: Side effect
Rationale: The nausea is undesirable but not harmful and manageable, fitting
the definition of a side effect. It is distinct from the desired therapeutic effect
of lowering blood pressure and does not indicate poisoning or significant
patient harm.
4. Which term best describes a general term for undesirable and
potentially harmful drug effects that require clinical monitoring and
possible intervention?
A) Side effects
B) Adverse effects
C) Therapeutic effects
D) Placebo effects
Correct Answer: Adverse effects
Rationale: Adverse effects are undesirable and potentially harmful,
necessitating assessment to determine risk versus benefit. Unlike side
effects, they carry significant risk and may require dosage adjustment or
discontinuation to prevent patient harm.
5. A patient receiving chemotherapy develops severe bone marrow
suppression requiring hospitalization. What type of drug effect does
this represent?
A) Side effect
B) Therapeutic effect
C) Toxic effect
D) Allergic reaction
Correct Answer: Toxic effect
Rationale: Bone marrow suppression from chemotherapy is a toxic effect
indicating the drug is poisoning the body at harmful levels. While expected, it
is dangerous and potentially life-threatening, distinguishing it from milder
side or adverse effects.
6. What is a drug according to the pharmacological definition?
A) Only prescription medications approved by the FDA
B) Any chemical that affects the physiologic processes of a living
organism
C) Any substance that can be purchased over the counter
D) Only medications that require a prescription from a licensed
provider
, Correct Answer: Any chemical that affects the physiologic processes of a
living organism
Rationale: This broad definition includes all chemicals that alter bodily
functions, encompassing prescription drugs, OTC medications, and even
substances like alcohol or caffeine that affect physiology.
7. Which drug effect is described as the desired effect that alleviates a
condition or symptom?
A) Side effect
B) Therapeutic effect
C) Adverse effect
D) Toxic effect
Correct Answer: Therapeutic effect
Rationale: The therapeutic effect is the intended, beneficial outcome of drug
therapy, such as pain relief from an analgesic. This is the primary reason the
medication is prescribed, distinguishing it from other unintended effects.
8. A medication lowers blood glucose in a diabetic patient. This
represents which type of drug effect?
A) Toxic effect
B) Side effect
C) Therapeutic effect
D) Idiosyncratic reaction
Correct Answer: Therapeutic effect
Rationale: Lowering blood glucose in diabetes is the desired therapeutic
outcome of antidiabetic medications. This intended benefit forms the basis
for prescribing, unlike unintended side effects or toxic reactions.
9. Which term describes how a drug produces its effects at the molecular
level?
A) Pharmacokinetics
B) Mechanism of action
C) Pharmacodynamics
D) Bioavailability
Correct Answer: Mechanism of action
Rationale: Mechanism of action explains the specific biochemical interactions
through which a drug produces its therapeutic effects, such as receptor
