,PNR 105 Pharmacology Exam 1 Study Guide &
150 Practice Questions Fortis College
2026/2027
1. A practical nurse is reviewing the role of the LPN/LVN in medication administration. Which
statement best describes this role?
A. The LPN/LVN can prescribe medications independently.
B. The LPN/LVN administers medications under the supervision of a registered nurse or
physician.
C. The LPN/LVN performs initial assessments before administering medications.
D. The LPN/LVN develops the plan of care independently.
Correct Answer: B. The LPN/LVN administers medications under the supervision of a registered
nurse or physician.
Rationale: The LPN/LVN practices under the supervision of an RN or physician and administers
medications within the scope of practice defined by the state nurse practice act. LPNs/LVNs
cannot prescribe medications independently.
2. A nurse is reviewing the branches of pharmacology. Which term describes the study of what
the body does to a drug?
,A. Pharmacodynamics
B. Pharmacokinetics
C. Pharmacogenetics
D. Pharmacotherapeutics
Correct Answer: B. Pharmacokinetics
Rationale: Pharmacokinetics is the study of how the body affects a drug, encompassing
absorption, distribution, metabolism, and excretion (ADME). Pharmacodynamics (A) describes
how a drug affects the body.
3. A nurse is reviewing the branches of pharmacology. Which term describes the study of what a
drug does to the body?
A. Pharmacokinetics
B. Pharmacodynamics
C. Pharmacognosy
D. Pharmacotherapeutics
, Correct Answer: B. Pharmacodynamics
Rationale: Pharmacodynamics describes what the drug does to the body, including mechanism
of action, therapeutic effects, and adverse effects. Pharmacokinetics (A) describes what the
body does to the drug.
4. A practical nurse is reviewing the sources of drugs. Which source is a drug derived from a
plant?
A. Insulin
B. Digoxin
C. Heparin
D. Penicillin
Correct Answer: B. Digoxin
Rationale: Digoxin is derived from the foxglove plant (Digitalis purpurea). Insulin is derived from
animal sources or recombinant DNA technology. Heparin is derived from animal tissues.
Penicillin is derived from a fungus.
150 Practice Questions Fortis College
2026/2027
1. A practical nurse is reviewing the role of the LPN/LVN in medication administration. Which
statement best describes this role?
A. The LPN/LVN can prescribe medications independently.
B. The LPN/LVN administers medications under the supervision of a registered nurse or
physician.
C. The LPN/LVN performs initial assessments before administering medications.
D. The LPN/LVN develops the plan of care independently.
Correct Answer: B. The LPN/LVN administers medications under the supervision of a registered
nurse or physician.
Rationale: The LPN/LVN practices under the supervision of an RN or physician and administers
medications within the scope of practice defined by the state nurse practice act. LPNs/LVNs
cannot prescribe medications independently.
2. A nurse is reviewing the branches of pharmacology. Which term describes the study of what
the body does to a drug?
,A. Pharmacodynamics
B. Pharmacokinetics
C. Pharmacogenetics
D. Pharmacotherapeutics
Correct Answer: B. Pharmacokinetics
Rationale: Pharmacokinetics is the study of how the body affects a drug, encompassing
absorption, distribution, metabolism, and excretion (ADME). Pharmacodynamics (A) describes
how a drug affects the body.
3. A nurse is reviewing the branches of pharmacology. Which term describes the study of what a
drug does to the body?
A. Pharmacokinetics
B. Pharmacodynamics
C. Pharmacognosy
D. Pharmacotherapeutics
, Correct Answer: B. Pharmacodynamics
Rationale: Pharmacodynamics describes what the drug does to the body, including mechanism
of action, therapeutic effects, and adverse effects. Pharmacokinetics (A) describes what the
body does to the drug.
4. A practical nurse is reviewing the sources of drugs. Which source is a drug derived from a
plant?
A. Insulin
B. Digoxin
C. Heparin
D. Penicillin
Correct Answer: B. Digoxin
Rationale: Digoxin is derived from the foxglove plant (Digitalis purpurea). Insulin is derived from
animal sources or recombinant DNA technology. Heparin is derived from animal tissues.
Penicillin is derived from a fungus.
