Pharmacotherapy of Major Organ Systems: Online Learning Quizzes

Question 1

Which of the following is **NOT** a mechanism of action of ACE inhibitors?

Accepted Answer

Blockade of angiotensin II receptors

Answer

Inhibition of angiotensin-converting enzyme

Answer

Reduction of aldosterone secretion

Answer

Vasodilation

Question 2

Which of the following drugs is a **first-line treatment** for asthma?

Accepted Answer

Fluticasone

Answer

Montelukast

Answer

Salmeterol

Answer

Theophylline

Question 3

Which of the following is an **adverse effect** of inhaled corticosteroids?

Accepted Answer

Oral candidiasis

Answer

Hypertension

Answer

Hypoglycemia

Answer

Bradycardia

Question 4

Which of the following drugs is a **calcium channel blocker**?

Accepted Answer

Verapamil

Answer

Atenolol

Answer

Digoxin

Answer

Lisinopril

Question 5

Which of the following is a mechanism of action of leukotriene inhibitors?

Accepted Answer

Inhibition of leukotriene synthesis

Answer

Blockade of histamine receptors

Answer

Increase in cyclic AMP

Answer

Reduction of acetylcholine release

Question 6

Which of the following is a **side effect** of oral anticoagulants?

Accepted Answer

Bleeding

Answer

Nausea

Answer

Headache

Answer

Skin rash

Question 7

Proton pump inhibitors primarily exert their effect by:

Accepted Answer

Inhibiting H+/K+ ATPase

Answer

Blocking histamine receptors

Answer

Inhibiting Na+/K+ ATPase

Answer

Inhibiting carbonic anhydrase

Question 8

Which condition is a contraindication for digoxin use?

Accepted Answer

Atrioventricular block

Answer

Ventricular tachycardia

Answer

Sick sinus syndrome

Answer

Hypertension

Question 9

Prazosin is primarily used to treat hypertension by:

Accepted Answer

Blocking alpha-adrenergic receptors

Answer

Activating beta-adrenergic receptors

Answer

Inhibiting angiotensin-converting enzyme (ACE)

Answer

Blocking calcium channels

Question 10

Which of the following is a rapidly acting inhaled medication used to relieve bronchospasm?

Accepted Answer

Salbutamol

Answer

Salmeterol

Answer

Formoterol

Answer

Tiotropium

Question 11

Which of the following is a primary mechanism of action of diuretics?

Accepted Answer

Preventing sodium reabsorption

Answer

Promoting potassium secretion

Answer

Enhancing water absorption

Answer

Blocking chloride transport

Question 12

Select the medication commonly used in the treatment of asthma:

Accepted Answer

Salbutamol

Answer

Digoxin

Answer

Warfarin

Answer

Metformin

Question 13

Identify the most common adverse effect associated with diuretics:

Accepted Answer

Hypokalaemia

Answer

Hypertension

Answer

Hyperglycaemia

Answer

Hypotension

Question 14

Select the primary mechanism of action for digoxin:

Accepted Answer

Inhibition of sodium-potassium ATPase

Answer

Activation of beta-adrenergic receptors

Answer

Blockade of muscarinic receptors

Answer

Increase in heart rate

Question 15

Which of the following is classified as a non-steroidal anti-inflammatory drug (NSAID)?

Accepted Answer

Ibuprofen

Answer

Paracetamol

Answer

Prednisolone

Answer

Methotrexate

Question 16

Identify the most prevalent cause of peptic ulcer disease:

Accepted Answer

Helicobacter pylori infection

Answer

Stress

Answer

Smoking

Answer

Alcohol consumption

Question 17

Identify the primary function of the liver in drug metabolism:

Accepted Answer

Phase I metabolism

Answer

Phase II metabolism

Answer

Excretion

Answer

Absorption

Question 18

Which characteristic is associated with a competitive antagonist?

Accepted Answer

Binds to the same site as the agonist

Answer

Increases the affinity of the agonist for the receptor

Answer

Has no effect on the agonist-receptor binding

Answer

Decreases the efficacy of the agonist

Question 19

Which mechanism of action is NOT associated with calcium channel blockers used in cardiovascular therapy?

Accepted Answer

Inhibiting phosphodiesterase, increasing intracellular levels of cyclic adenosine monophosphate (cAMP)

Answer

Blocking L-type calcium channels in the heart, reducing calcium influx and decreasing contractility

Answer

Dilating coronary arteries by reducing vascular tone, improving myocardial blood flow

Answer

Slowing atrioventricular conduction by blocking calcium channels in the atrioventricular node

Question 20

Which of the following is NOT an inhaler device used in asthma treatment?

Accepted Answer

Nasal corticosteroid spray

Answer

Metered-dose inhaler (MDI)

Answer

Dry powder inhaler (DPI)

Answer

Small-volume nebulizer (SVN)

Question 21

Atenolol is a medication used to treat high blood pressure. Which class of drug does Atenolol belong to?

Accepted Answer

Beta-blocker

Answer

ACE inhibitor

Answer

Calcium channel blocker

Answer

Diuretic

Question 22

Which of the following is NOT a type of antiarrhythmic drug used to treat irregular heartbeats?

Accepted Answer

Diuretics

Answer

Sodium channel blockers

Answer

Calcium channel blockers

Answer

Beta-blockers