CORRECT ANSWER WITH EXPLANATION GRADED A+
STUDY GUIDE SOUTHERN NEW HAMPSHIRE UNIVERSITY
1. Pharmacology is the study of:
A. Drugs and their effects on the body
B. Bones and muscles only
C. Weather systems only
D. Plant classification only
Answer: A
Rationale: Pharmacology examines how drugs interact with living systems.
2. A drug is defined as a substance that:
A. Alters body function
B. Forms bones only
C. Produces oxygen only
D. Replaces blood only
Answer: A
Rationale: Drugs modify physiological processes.
3. Pharmacokinetics refers to:
A. What the body does to a drug
B. What the drug does to the body
C. Drug storage only
D. Drug classification only
Answer: A
Rationale: Includes absorption, distribution, metabolism, and excretion.
4. Pharmacodynamics refers to:
A. What the drug does to the body
B. Drug elimination only
C. Drug absorption only
D. Drug storage only
Answer: A
Rationale: Describes drug actions and effects.
5. The four major processes of pharmacokinetics are absorption, distribution, metabolism,
and:
, A. Excretion
B. Digestion
C. Respiration
D. Circulation
Answer: A
Rationale: Excretion removes drugs from the body.
6. Drug absorption refers to the movement of a drug from the:
A. Site of administration into the bloodstream
B. Liver into bile
C. Kidneys into urine
D. Blood into tissues only
Answer: A
Rationale: First step in drug action.
7. Oral administration means a drug is given:
A. By mouth
B. Into the vein
C. Through the skin
D. Into muscle tissue
Answer: A
Rationale: Common route of administration.
8. Intravenous administration delivers a drug directly into the:
A. Bloodstream
B. Muscle
C. Skin
D. Bone
Answer: A
Rationale: Produces rapid drug action.
9. Intramuscular injections are administered into the:
A. Muscle
B. Vein
C. Artery
D. Bone marrow
Answer: A
Rationale: Allows absorption through muscle tissue.
, 10. Subcutaneous injections are administered into the:
A. Tissue beneath the skin
B. Bone marrow
C. Vein
D. Artery
Answer: A
Rationale: Common for insulin and heparin.
11. Bioavailability refers to the:
A. Amount of drug reaching systemic circulation
B. Drug color only
C. Drug cost only
D. Drug storage temperature only
Answer: A
Rationale: Determines effectiveness of administration route.
12. First-pass metabolism occurs mainly in the:
A. Liver
B. Lungs
C. Skin
D. Heart
Answer: A
Rationale: Oral drugs may be metabolized before circulation.
13. Distribution refers to movement of a drug:
A. Throughout the body
B. Out of the body only
C. Into bones only
D. Into muscles only
Answer: A
Rationale: Drugs are carried through circulation.
14. Plasma proteins can affect drug:
A. Distribution
B. Color only
C. Taste only
D. Shape only
Answer: A
Rationale: Protein-bound drugs are less active.