Pharmacology MCQs

1. Which class of drugs is primarily used to treat hypertension?
a) Antihistamines
b) Antidepressants
c) Beta-blockers
d) Anticonvulsants
Answer: c) Beta-blockers


2. What is the main action of opioid analgesics?
a) Increase blood pressure
b) Relieve pain
c) Reduce inflammation
d) Cure infections
Answer: b) Relieve pain


3. Which drug class is commonly used to treat bacterial infections?
a) Antivirals
b) Antifungals
c) Antibiotics
d) Antiparasitics
Answer: c) Antibiotics


4. What is the primary use of diuretics?
a) Increase appetite
b) Reduce blood pressure
c) Improve memory
d) Relieve anxiety
Answer: b) Reduce blood pressure


5. What is the mechanism of action for NSAIDs (Non-Steroidal Anti-Inflammatory Drugs)?
a) Block dopamine receptors
b) Inhibit cyclooxygenase enzymes
c) Increase serotonin levels
d) Decrease blood glucose levels
Answer: b) Inhibit cyclooxygenase enzymes


6. Which medication is commonly used to manage Type 1 Diabetes Mellitus?
a) Metformin
b) Insulin
c) Glipizide
d) Acarbose
Answer: b) Insulin


7. What is the main action of antihistamines?
a) Reduce blood clotting
b) Relieve allergy symptoms
c) Treat fungal infections
d) Control seizures
Answer: b) Relieve allergy symptoms


8. Which class of drugs is used to lower cholesterol levels?
a) Statins
b) Beta-blockers
c) ACE inhibitors
d) Calcium channel blockers
Answer: a) Statins


9. What is the primary effect of antacids?
a) Increase stomach acid production
b) Neutralize stomach acid
c) Improve digestion
d) Stimulate appetite
Answer: b) Neutralize stomach acid


10. Which medication is commonly used to treat depression?
a) Lorazepam
b) Prednisone
c) Fluoxetine
d) Atorvastatin
Answer: c) Fluoxetine


11. What is the main use of corticosteroids?
a) Manage blood sugar levels
b) Reduce inflammation
c) Relieve pain
d) Treat bacterial infections
Answer: b) Reduce inflammation


12. Which drug class is used to treat high blood pressure and heart failure?
a) Beta-blockers
b) Antihistamines
c) Antivirals
d) Antifungals
Answer: a) Beta-blockers


13. What is the primary purpose of anticoagulants?
a) Promote clotting
b) Prevent clot formation
c) Increase blood pressure
d) Treat infections
Answer: b) Prevent clot formation


14. Which medication is used to relieve symptoms of asthma?
a) Prednisone
b) Albuterol
c) Metformin
d) Lisinopril
Answer: b) Albuterol


15. What is the mechanism of action of ACE inhibitors?
a) Block angiotensin II receptor
b) Increase potassium levels
c) Inhibit angiotensin-converting enzyme
d) Decrease calcium absorption
Answer: c) Inhibit angiotensin-converting enzyme


16. Which class of drugs is used to manage anxiety disorders?
a) Antipsychotics
b) Antidepressants
c) Benzodiazepines
d) Antihypertensives
Answer: c) Benzodiazepines


17. What is the main function of antidiabetic medications like metformin?
a) Lower blood glucose levels
b) Increase insulin production
c) Reduce cholesterol levels
d) Improve digestion
Answer: a) Lower blood glucose levels


18. Which medication is used to treat anaphylaxis?
a) Epinephrine
b) Diphenhydramine
c) Hydrocodone
d) Omeprazole
Answer: a) Epinephrine


19. What is the primary use of antiepileptic drugs?
a) Manage diabetes
b) Treat seizures
c) Reduce blood pressure
d) Relieve pain
Answer: b) Treat seizures


20. What is the mechanism of action of beta-blockers?
a) Block beta-adrenergic receptors
b) Increase heart rate
c) Dilate blood vessels
d) Inhibit platelet aggregation
Answer: a) Block beta-adrenergic receptors


21. Which class of drugs is used to treat fungal infections?
a) Antifungals
b) Antibiotics
c) Antivirals
d) Antihistamines
Answer: a) Antifungals


22. What is the primary effect of vasodilators?
a) Constrict blood vessels
b) Increase blood pressure
c) Dilate blood vessels
d) Decrease heart rate
Answer: c) Dilate blood vessels


23. Which medication is used to manage chronic obstructive pulmonary disease (COPD)?
a) Albuterol
b) Prednisone
c) Ipratropium
d) Metformin
Answer: c) Ipratropium


24. What is the main action of antihypertensives?
a) Increase blood pressure
b) Decrease blood pressure
c) Increase heart rate
d) Reduce cholesterol levels
Answer: b) Decrease blood pressure


25. Which medication is commonly used for pain relief and inflammation reduction?
a) Acetaminophen
b) Methotrexate
c) Prednisone
d) Atenolol
Answer: c) Prednisone


26. What is the primary use of laxatives?
a) Reduce nausea
b) Relieve constipation
c) Increase appetite
d) Lower cholesterol
Answer: b) Relieve constipation


27. What class of drugs is used to treat bipolar disorder?
a) Antipsychotics
b) Mood stabilizers
c) Antidepressants
d) Anxiolytics
Answer: b) Mood stabilizers


28. What is the main effect of statins?
a) Reduce blood pressure
b) Lower cholesterol levels
c) Increase blood sugar
d) Manage pain
Answer: b) Lower cholesterol levels


29. Which medication is used to treat motion sickness?
a) Diphenhydramine
b) Lorazepam
c) Atenolol
d) Metformin
Answer: a) Diphenhydramine


30. What is the mechanism of action for proton pump inhibitors (PPIs)?
a) Increase stomach acid production
b) Block histamine receptors
c) Inhibit gastric acid secretion
d) Neutralize stomach acid
Answer: c) Inhibit gastric acid secretion


31. Which drug is commonly used to treat erectile dysfunction?
a) Sildenafil
b) Metformin
c) Lisinopril
d) Prednisone
Answer: a) Sildenafil


32. What is the primary action of muscle relaxants?
a) Increase muscle tone
b) Relieve muscle spasm
c) Improve muscle strength
d) Decrease heart rate
Answer: b) Relieve muscle spasm


33. Which medication class is used to prevent allergic reactions?
a) Antihistamines
b) Antivirals
c) Antibiotics
d) Antifungals
Answer: a) Antihistamines


34. What is the primary effect of anticoagulants?
a) Promote clotting
b) Prevent clot formation
c) Reduce blood pressure
d) Increase blood glucose
Answer: b) Prevent clot formation


35. Which medication is used to manage hypothyroidism?
a) Levothyroxine
b) Metformin
c) Lisinopril
d) Atorvastatin
Answer: a) Levothyroxine


36. What is the primary action of bronchodilators?
a) Increase blood pressure
b) Open airways
c) Reduce blood glucose
d) Relieve pain
Answer: b) Open airways


37. Which class of drugs is used to treat attention deficit hyperactivity disorder (ADHD)?
a) Antidepressants
b) Stimulants
c) Antipsychotics
d) Benzodiazepines
Answer: b) Stimulants


38. What is the main use of corticosteroids in respiratory diseases?
a) Reduce inflammation
b) Increase blood pressure
c) Promote appetite
d) Treat infections
Answer: a) Reduce inflammation


39. What is the primary effect of diuretics on the kidneys?
a) Increase fluid retention
b) Increase urine output
c) Decrease blood pressure
d) Enhance protein absorption
Answer: b) Increase urine output


40. Which medication is used to manage chronic pain in cancer patients?
a) Methadone
b) Atorvastatin
c) Lorazepam
d) Albuterol
Answer: a) Methadone


41. What is the main action of antihypertensive drugs?
a) Increase blood pressure
b) Decrease heart rate
c) Lower blood pressure
d) Improve insulin sensitivity
Answer: c) Lower blood pressure


42. Which class of drugs is commonly used to manage seizures?
a) Anticonvulsants
b) Antidepressants
c) Antihistamines
d) Antipsychotics
Answer: a) Anticonvulsants


43. What is the primary use of antiplatelet medications?
a) Prevent blood clots
b) Reduce inflammation
c) Increase blood pressure
d) Treat infections
Answer: a) Prevent blood clots


44. What is the mechanism of action of thrombolytics?
a) Promote clot formation
b) Dissolve existing clots
c) Increase blood viscosity
d) Prevent clotting
Answer: b) Dissolve existing clots


45. Which medication is used to treat Parkinson’s disease?
a) Levodopa
b) Metformin
c) Sildenafil
d) Prednisone
Answer: a) Levodopa


46. What is the main effect of antidiabetic medications like insulin?
a) Increase blood sugar levels
b) Decrease blood sugar levels
c) Reduce blood pressure
d) Increase appetite
Answer: b) Decrease blood sugar levels


47. Which class of drugs is used to treat fungal infections?
a) Antifungals
b) Antibiotics
c) Antivirals
d) Antihistamines
Answer: a) Antifungals


48. What is the primary action of antihypertensive medications?
a) Increase blood pressure
b) Decrease blood pressure
c) Increase heart rate
d) Improve digestion
Answer: b) Decrease blood pressure


49. Which medication is used to treat rheumatoid arthritis?
a) Methotrexate
b) Lorazepam
c) Atorvastatin
d) Prednisone
Answer: a) Methotrexate


50. What is the mechanism of action of statins?
a) Inhibit cholesterol synthesis
b) Increase insulin sensitivity
c) Reduce inflammation
d) Increase blood volume
Answer: a) Inhibit cholesterol synthesis