ESTUDYR
LPN PHARMACOLOGY EXAM 1 MOST TESTED QUESTIONS AND
ANSWERS GRADED A+ WITH RATIONALES
1. What is the Pharmaceutical Phase of a drug?
A. What the body does with the drug
B. What the drug does to the body
C. The manufacture of a drug until absorption occurs in the body (Correct Answer)
D. The metabolism of the drug in the liver
Rationale: The pharmaceutical phase includes drug formulation and preparation until it enters
the body for absorption.
2. The Pharmacokinetic Phase refers to:
A. What the drug does to the body
B. What the body does with the drug (Correct Answer)
C. Adverse reactions of the drug
D. The manufacture of the drug
Rationale: Pharmacokinetics describes absorption, distribution, metabolism, and excretion of the
drug.
3. The Pharmacodynamic Phase is:
A. Drug metabolism in the liver
B. What the drug does to the body (Correct Answer)
C. Absorption into the bloodstream
D. Accumulation of drug in tissues
Rationale: Pharmacodynamics is the mechanism of drug action and effects on the body.
4. Which organ is primarily responsible for drug metabolism?
A. Kidneys
B. Liver (Correct Answer)
C. Heart
D. Lungs
Rationale: The liver detoxifies and metabolizes drugs to make them ready for excretion.
, ESTUDYR
5. Which organ is primarily responsible for drug excretion?
A. Liver
B. Kidneys (Correct Answer)
C. Lungs
D. Intestines
Rationale: Kidneys filter drug byproducts from the bloodstream for elimination in urine.
6. What does cumulative effect of a drug mean?
A. Drug allergy
B. Drug builds up in the body (Correct Answer)
C. Drug metabolism is complete
D. Drug is ineffective
Rationale: Repeated dosing or slow metabolism can lead to drug accumulation.
7. What is considered a therapeutic dose?
A. Amount that produces toxic effects
B. Amount that produces a positive desired effect (Correct Answer)
C. Amount that produces allergic reactions
D. Maximum tolerated dose
Rationale: Therapeutic dose achieves the desired effect without toxicity.
8. What is a lethal dose of a drug?
A. Dose that causes minor side effects
B. Dose that causes death (Correct Answer)
C. Dose that treats symptoms effectively
D. Dose given as needed
Rationale: Lethal dose (LD50) is the quantity of drug likely to cause death.
9. What is a toxic dose of a drug?
A. Dose that produces therapeutic effects
B. Dose that produces signs and symptoms of poisoning (Correct Answer)
C. Dose that is ineffective
D. Dose given to children
LPN PHARMACOLOGY EXAM 1 MOST TESTED QUESTIONS AND
ANSWERS GRADED A+ WITH RATIONALES
1. What is the Pharmaceutical Phase of a drug?
A. What the body does with the drug
B. What the drug does to the body
C. The manufacture of a drug until absorption occurs in the body (Correct Answer)
D. The metabolism of the drug in the liver
Rationale: The pharmaceutical phase includes drug formulation and preparation until it enters
the body for absorption.
2. The Pharmacokinetic Phase refers to:
A. What the drug does to the body
B. What the body does with the drug (Correct Answer)
C. Adverse reactions of the drug
D. The manufacture of the drug
Rationale: Pharmacokinetics describes absorption, distribution, metabolism, and excretion of the
drug.
3. The Pharmacodynamic Phase is:
A. Drug metabolism in the liver
B. What the drug does to the body (Correct Answer)
C. Absorption into the bloodstream
D. Accumulation of drug in tissues
Rationale: Pharmacodynamics is the mechanism of drug action and effects on the body.
4. Which organ is primarily responsible for drug metabolism?
A. Kidneys
B. Liver (Correct Answer)
C. Heart
D. Lungs
Rationale: The liver detoxifies and metabolizes drugs to make them ready for excretion.
, ESTUDYR
5. Which organ is primarily responsible for drug excretion?
A. Liver
B. Kidneys (Correct Answer)
C. Lungs
D. Intestines
Rationale: Kidneys filter drug byproducts from the bloodstream for elimination in urine.
6. What does cumulative effect of a drug mean?
A. Drug allergy
B. Drug builds up in the body (Correct Answer)
C. Drug metabolism is complete
D. Drug is ineffective
Rationale: Repeated dosing or slow metabolism can lead to drug accumulation.
7. What is considered a therapeutic dose?
A. Amount that produces toxic effects
B. Amount that produces a positive desired effect (Correct Answer)
C. Amount that produces allergic reactions
D. Maximum tolerated dose
Rationale: Therapeutic dose achieves the desired effect without toxicity.
8. What is a lethal dose of a drug?
A. Dose that causes minor side effects
B. Dose that causes death (Correct Answer)
C. Dose that treats symptoms effectively
D. Dose given as needed
Rationale: Lethal dose (LD50) is the quantity of drug likely to cause death.
9. What is a toxic dose of a drug?
A. Dose that produces therapeutic effects
B. Dose that produces signs and symptoms of poisoning (Correct Answer)
C. Dose that is ineffective
D. Dose given to children
