1000 Pharmacology Multiple Choice Questions: Part 1

1000 Pharmacology Multiple Choice Questions: Part 1

Lesson 1: Origin of Drugs

Question 1: Regarding the origin of drugs, choose the incorrect statement:

A. From plants

B. From animals

C. From minerals

D. From organic matter

Answer: D

Lesson 2: Concepts of Pharmacodynamics and Pharmacokinetics

Question 2: What is pharmacodynamics?

A. It is the science that studies drugs.

B. It studies the effects of drugs on living organisms.

C. It studies the effects of the body on drugs.

D. The kinetics of drug absorption, distribution, metabolism, and excretion.

Answer: B

Question 3: What is pharmacokinetics?

A. It studies the effects of the body on drugs.

B. It studies side effects, unwanted effects or unintended effects.

C. It studies the number of times a drug is taken per day, dosage, and side effects.

D. It studies age, disease state, and physiological state.

Answer: A

Question 4: What is the role of pharmacokinetics?

A. It helps physicians know how to choose the route of drug administration.

B. It helps physicians know the number of times a drug is taken per day, dosage, and side effects.

C. It is the kinetics of drug absorption, metabolism, distribution, and excretion.

D. It systematically evaluates toxic reactions related to drug use.

Answer: A

Lesson 3: Chronopharmacology and Pharmacogenetics

Question 5: Chronopharmacology is:

A. It does not address the physiological activities of humans and animals being significantly affected by changes in their living environment.

B. It studies the influence of biological rhythms within a day and year on the effects of drugs.

C. It studies changes in an individual’s sensitivity.

D. The number of times a drug is taken per day, dosage.

Answer: B

Question 6: Regarding chronopharmacology, choose the incorrect statement:

A. Physicians need to know this to choose the optimal time and dosage of medication.

B. The physiological activities of humans and animals are significantly influenced by changes in their living environment such as light, temperature, humidity…

C. These activities change rhythmically, cyclically, called biological rhythms (daily, monthly, yearly).

D. The effects of drugs cannot change according to this rhythm.

Answer: D

Question 7: What is pharmacogenetics?

A. It studies changes in an individual’s, family’s, or race’s sensitivity to drugs due to genetic causes.

B. It studies the effects of the body on drugs.

C. It studies the effects of drugs on living organisms.

D. It studies experimental animals to determine the effects, mechanisms of action, toxicity, therapeutic dose, and toxic dose.

Answer: A

Question 8: Differentiate pharmacodynamics and pharmacokinetics:

A. Pharmacodynamics (Pharmacodynamics) studies the interaction of the environment on living organisms. Pharmacokinetics (Pharmacokinetics) studies the effects of the body on drugs.

B. Pharmacodynamics (Pharmacodynamics) studies the interaction of the environment on living organisms. Pharmacokinetics (Pharmacokinetics) studies the effects of drugs on living organisms.

C. Pharmacodynamics (Pharmacodynamics) studies the effects of drugs on living organisms. Pharmacokinetics (Pharmacokinetics) studies the effects of the body on drugs.

D. Pharmacodynamics (Pharmacodynamics) studies the interaction between drugs and living organisms. Pharmacokinetics (Pharmacokinetics) studies the mechanisms of action of drugs on living organisms.

Answer: C

Lesson 4: Drug Abuse and Drug Vigilance

Question 9: Choose the incorrect statement:

A. No drug is harmless.

B. Not all expensive drugs are always the best.

C. Use only when really needed, avoid drug abuse as much as possible.

D. Drugs with the same active ingredient can be substituted for each other.

Answer: D

Question 10: Choose the correct statement:

A. In the course of practice, physicians must always learn to grasp the pharmacological knowledge of new drugs or new understandings, new applications of old drugs.

B. Drug indications are unchanging.

C. Patient populations for each drug remain constant.

D. Physicians and pharmacists are allowed to change drug indications according to their personal experience.

Answer: A

Question 11: Pharmacovigilance or Drug Vigilance is:

A. A science that systematically collects and evaluates adverse drug reactions in the community.

B. A science that intersects Pharmacology-Genetics-Biochemistry and Pharmacokinetics.

C. It studies changes in an individual’s, family’s, or race’s sensitivity to drugs.

D. It studies the influence of biological rhythms within a day and year on the effects of drugs.

Answer: A

Question 12: Choose the correct statement:

A. Pharmacovigilance (Pharmacovigilance) systematically collects and evaluates adverse drug reactions in the community.

B. Adverse drug reactions are unwanted reactions that occur randomly with doses of drugs still used for prevention, diagnosis, or treatment of disease.

C. The toxic effects of drugs may only be discovered after they have been widely used.

D. All of the above are correct.

Answer: D

Lesson 5: Genetics and Pharmacokinetic Processes

Question 13: In genetics, a deficiency in which enzyme makes people susceptible to hemolysis due to the use of sulfonamides, antimalarials… even with regular therapeutic doses?

A. G6PD

B. G6PP

C. G4PD

D. G4PP

Answer: A

Question 14: List the 4 processes that occur when a drug enters the body in the correct order:

A. Absorption, Metabolism, Distribution, Excretion

B. Distribution, Absorption, Metabolism, Excretion

C. Absorption, Distribution, Metabolism, Excretion

D. Absorption, Metabolism, Distribution, Excretion

Answer: C

Question 15: Which of the following is NOT included in pharmacokinetic processes?

A. Absorption

B. Distribution

C. Accumulation

D. Excretion

Answer: C

Question 16: List the 4 pharmacokinetic processes:

A. Absorption, Distribution, Metabolism, Excretion

B. Absorption, Distribution, Metabolism, Excretion

C. Both A and B are correct.

D. Both A and B are incorrect.

Answer: C

Lesson 6: Drug Absorption

Question 17: Choose the incorrect statement:

A. The first stage when a drug enters the body is the absorption process.

B. The absorption process only occurs in the gastrointestinal tract.

C. Absorption is influenced by the dosage form.

D. Absorption through injection occurs faster than oral administration.

Answer: B

Question 18: Drugs are molecules that often have a molecular weight of:

A. PM ≤ 600

B. PM ≤ 500

C. PM ≤ 700

D. PM ≤ 200

Answer: A

Question 19: Which of the following statements is incorrect:

A. To carry out pharmacokinetic processes, drugs must cross cell membranes.

B. Drugs are weak acids or weak bases.

C. Drugs are molecules that often have a molecular weight of PM ≤ 500.

D. Most drugs have a PM from 100 – 1.000.

Answer: C

Question 20: The selectivity of the receptor is demonstrated by the characteristic:

A. The drug molecule needs to achieve a unique size that matches the size of the specific receptor so that the drug does not bind to other receptors.

B. The drug molecule needs to achieve a size that is sufficient or larger than the size of the specific receptor so that the drug does not bind to other receptors.

C. The drug molecule needs to achieve a size that is sufficient or smaller than the size of the specific receptor so that the drug does not bind to other receptors.

D. All of the above are correct.

Answer: A

To be continued…