Pharmacology

Description: This quiz covers various aspects of pharmacology, including drug classification, mechanisms of action, pharmacokinetics, and adverse effects.
Number of Questions: 15
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Tags: pharmacology drugs classification mechanisms of action pharmacokinetics adverse effects
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Which of the following is NOT a major class of drugs used to treat hypertension?

  1. ACE inhibitors

  2. Beta-blockers

  3. Calcium channel blockers

  4. Antidepressants


Correct Option: D
Explanation:

Antidepressants are not typically used to treat hypertension.

What is the mechanism of action of NSAIDs?

  1. Inhibition of COX-1 and COX-2 enzymes

  2. Inhibition of phosphodiesterase enzymes

  3. Activation of alpha-adrenergic receptors

  4. Blockade of sodium channels


Correct Option: A
Explanation:

NSAIDs inhibit the COX-1 and COX-2 enzymes, which are responsible for the production of prostaglandins.

Which of the following drugs is primarily metabolized by the liver?

  1. Warfarin

  2. Digoxin

  3. Insulin

  4. Epinephrine


Correct Option: A
Explanation:

Warfarin is primarily metabolized by the liver.

What is the term for the time it takes for a drug to reach its peak concentration in the blood?

  1. Half-life

  2. Onset of action

  3. Time to maximum concentration

  4. Duration of action


Correct Option: C
Explanation:

The time it takes for a drug to reach its peak concentration in the blood is called the time to maximum concentration.

Which of the following drugs is a commonly used antipsychotic?

  1. Lithium

  2. Valproic acid

  3. Olanzapine

  4. Clonidine


Correct Option: C
Explanation:

Olanzapine is a commonly used antipsychotic.

What is the most common adverse effect of beta-blockers?

  1. Nausea

  2. Dizziness

  3. Bradycardia

  4. Hypertension


Correct Option: C
Explanation:

The most common adverse effect of beta-blockers is bradycardia.

Which of the following drugs is a commonly used antibiotic?

  1. Amoxicillin

  2. Metformin

  3. Ibuprofen

  4. Albuterol


Correct Option: A
Explanation:

Amoxicillin is a commonly used antibiotic.

What is the mechanism of action of statins?

  1. Inhibition of HMG-CoA reductase

  2. Inhibition of phosphodiesterase enzymes

  3. Activation of alpha-adrenergic receptors

  4. Blockade of sodium channels


Correct Option: A
Explanation:

Statins inhibit the HMG-CoA reductase enzyme, which is involved in the production of cholesterol.

Which of the following drugs is a commonly used antihistamine?

  1. Diphenhydramine

  2. Acetaminophen

  3. Omeprazole

  4. Salmeterol


Correct Option: A
Explanation:

Diphenhydramine is a commonly used antihistamine.

What is the term for the process by which a drug is eliminated from the body?

  1. Absorption

  2. Distribution

  3. Metabolism

  4. Excretion


Correct Option: D
Explanation:

The process by which a drug is eliminated from the body is called excretion.

Which of the following drugs is a commonly used antidepressant?

  1. Fluoxetine

  2. Hydrochlorothiazide

  3. Warfarin

  4. Albuterol


Correct Option: A
Explanation:

Fluoxetine is a commonly used antidepressant.

What is the mechanism of action of ACE inhibitors?

  1. Inhibition of COX-1 and COX-2 enzymes

  2. Inhibition of phosphodiesterase enzymes

  3. Inhibition of angiotensin-converting enzyme

  4. Blockade of sodium channels


Correct Option: C
Explanation:

ACE inhibitors inhibit the angiotensin-converting enzyme, which is involved in the production of angiotensin II.

Which of the following drugs is a commonly used anticonvulsant?

  1. Phenytoin

  2. Metformin

  3. Ibuprofen

  4. Salmeterol


Correct Option: A
Explanation:

Phenytoin is a commonly used anticonvulsant.

What is the term for the lowest dose of a drug that produces a therapeutic effect?

  1. Minimum effective dose

  2. Maximum tolerated dose

  3. Therapeutic index

  4. Median effective dose


Correct Option: A
Explanation:

The lowest dose of a drug that produces a therapeutic effect is called the minimum effective dose.

Which of the following drugs is a commonly used anti-inflammatory drug?

  1. Ibuprofen

  2. Metformin

  3. Warfarin

  4. Albuterol


Correct Option: A
Explanation:

Ibuprofen is a commonly used anti-inflammatory drug.

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