Drug Classifications and Prototypes Practice Questions
19 free Drug Classifications and Prototypes practice questions for the NCLEX Exam. Tap an option to answer — you get instant feedback, the correct answer, and a detailed explanation for every question.
Which drug is a prototype of the ACE inhibitor class?
- A Lisinopril
- B Metoprolol
- C Amlodipine
- D Furosemide
Correct answer: Lisinopril
Lisinopril is a commonly used ACE inhibitor prototype. It works by blocking the conversion of angiotensin I to angiotensin II, reducing blood pressure.
Which classification does metoprolol belong to?
- A Calcium channel blocker
- B Beta-blocker
- C ACE inhibitor
- D Diuretic
Correct answer: Beta-blocker
Metoprolol is a beta-blocker that reduces heart rate and cardiac output. It is commonly used in hypertension and heart disease.
Which medication is a loop diuretic prototype?
- A Hydrochlorothiazide
- B Furosemide
- C Spironolactone
- D Mannitol
Correct answer: Furosemide
Furosemide is a loop diuretic that promotes rapid excretion of sodium and water. It is used in edema and heart failure.
Which drug is classified as a calcium channel blocker?
- A Amlodipine
- B Lisinopril
- C Propranolol
- D Losartan
Correct answer: Amlodipine
Amlodipine blocks calcium entry into cells, causing vasodilation. It is used to treat hypertension and angina.
Which drug is a prototype for opioid analgesics?
- A Ibuprofen
- B Acetaminophen
- C Morphine
- D Aspirin
Correct answer: Morphine
Morphine is a prototype opioid analgesic used for severe pain. It acts on opioid receptors in the central nervous system.
Which classification does insulin belong to?
- A Antibiotic
- B Peptide hormone
- C Antihypertensive
- D Analgesic
Correct answer: Peptide hormone
Insulin is a hormone that regulates blood glucose levels. It is used in the management of diabetes mellitus.
Which drug is a prototype for proton pump inhibitors?
- A Omeprazole
- B Ranitidine
- C Antacid
- D Sucralfate
Correct answer: Omeprazole
Omeprazole inhibits gastric acid secretion by blocking proton pumps. It is used for GERD and ulcers.
Which medication is classified as a benzodiazepine?
- A Diazepam
- B Haloperidol
- C Fluoxetine
- D Lithium
Correct answer: Diazepam
Diazepam is a benzodiazepine used for anxiety and sedation. It enhances the effect of GABA in the brain.
Which drug is a prototype of the statin class?
- A Atorvastatin
- B Cholestyramine
- C Ezetimibe
- D Fenofibrate
Correct answer: Atorvastatin
Atorvastatin is a statin that lowers cholesterol by inhibiting HMG-CoA reductase. It reduces cardiovascular risk.
Which classification does albuterol belong to?
- A Beta-agonist
- B Steroid
- C Antibiotic
- D Antihistamine
Correct answer: Beta-agonist
Albuterol is a short-acting beta-agonist that relaxes bronchial smooth muscle. It is used in asthma and COPD.
Which drug is a prototype for selective serotonin reuptake inhibitors (SSRIs)?
- A Sertraline
- B Amitriptyline
- C Haloperidol
- D Lithium
Correct answer: Sertraline
Sertraline is an SSRI that increases serotonin levels in the brain. It is commonly used to treat depression and anxiety.
Which medication is classified as an anticoagulant?
- A Dipyridamole
- B Aspirin
- C Clopidogrel
- D Heparin
Correct answer: Heparin
Heparin is a fast-acting anticoagulant used to prevent clot formation. It works by enhancing antithrombin activity.
Which drug is a prototype for NSAIDs?
- A Morphine
- B Acetaminophen
- C Codeine
- D Ibuprofen
Correct answer: Ibuprofen
Ibuprofen is a nonsteroidal anti-inflammatory drug. It reduces pain, inflammation, and fever.
Which medication is classified as an angiotensin II receptor blocker (ARB)?
- A Lisinopril
- B Atenolol
- C Amlodipine
- D Losartan
Correct answer: Losartan
Losartan blocks angiotensin II receptors, leading to vasodilation. It is used in hypertension management.
Which drug is a prototype for antipsychotic medications?
- A Diazepam
- B Fluoxetine
- C Carbamazepine
- D Haloperidol
Correct answer: Haloperidol
Haloperidol is a typical antipsychotic used to treat schizophrenia. It works by blocking dopamine receptors.
Which medication is classified as a corticosteroid?
- A Ibuprofen
- B Aspirin
- C Acetaminophen
- D Prednisone
Correct answer: Prednisone
Prednisone is a corticosteroid with anti-inflammatory effects. It is used in autoimmune and inflammatory conditions.
Which drug is a prototype for antihistamines?
- A Dextromethorphan
- B Omeprazole
- C Furosemide
- D Diphenhydramine
Correct answer: Diphenhydramine
Diphenhydramine is an antihistamine that blocks histamine receptors. It is used for allergies and allergic reactions.
Which medication is classified as a potassium-sparing diuretic?
- A Furosemide
- B Hydrochlorothiazide
- C Spironolactone
- D Mannitol
Correct answer: Spironolactone
Spironolactone conserves potassium while promoting sodium excretion. It is used in heart failure and hypertension.
Which drug is a prototype for antiepileptic medications?
- A Morphine
- B Diazepam
- C Phenytoin
- D Sertraline
Correct answer: Phenytoin
Phenytoin stabilizes neuronal membranes and prevents seizures. It is widely used in epilepsy management.