MCQs

11062 questions found

Practice Questions

47. A patient with candidiasis is prescribed fluconazole. Medicinally, what is the primary mechanism of action of fluconazole?

A. Inhibiting fungal cell wall synthesis.
B. Inhibiting fungal DNA synthesis.
C. Inhibiting ergosterol synthesis, a critical component of the fungal cell membrane.
D. Disrupting fungal ribosomes.
nmdcat.online BS Nursing
Jun 6, 2026

46. A patient with tuberculosis is prescribed rifampin. Technically, what critical drug interaction can occur with rifampin due to its potent enzyme-inducing properties?

A. Decreased metabolism of warfarin, leading to increased INR.
B. Increased metabolism of oral contraceptives, leading to reduced efficacy.
C. Decreased absorption of iron supplements.
D. Increased renal excretion of digoxin.
nmdcat.online BS Nursing
Jun 6, 2026

43. A patient with an acute asthma attack presents to the emergency department. Urgently, what is the most critical initial pharmacological intervention in addition to oxygen and a SABA?

A. Oral prednisone.
B. Inhaled long-acting ?2?-agonist.
C. Systemic corticosteroids (e.g., intravenous methylprednisolone).
D. Cromolyn sodium.
nmdcat.online BS Nursing
Jun 6, 2026

42. A patient with hyperlipidemia is prescribed a fibrate (e.g., fenofibrate). Medicinally, what is the primary effect of fibrates on lipid profiles?

A. Primarily lowering LDL cholesterol.
B. Primarily lowering triglycerides and modestly raising HDL cholesterol.
C. Primarily raising total cholesterol.
D. Primarily raising LDL cholesterol.
nmdcat.online BS Nursing
Jun 6, 2026

41. A patient with Helicobacter pylori infection is prescribed a triple therapy regimen. Technically, what is the critical rationale for using multiple antibiotics in combination for H. pylori?

A. To minimize adverse effects.
B. To simplify the dosing regimen.
C. To overcome and prevent antibiotic resistance.
D. To increase patient compliance.
nmdcat.online BS Nursing
Jun 6, 2026

40. A patient with Type 2 Diabetes is prescribed empagliflozin. Clinically, what is the primary mechanism of action of this drug?

A. Increasing insulin secretion.
B. Decreasing hepatic glucose production.
C. Inhibiting sodium-glucose co-transporter 2 (SGLT2) in the kidneys, leading to increased glucose excretion.
D. Enhancing insulin sensitivity.
nmdcat.online BS Nursing
Jun 6, 2026

39. A patient with a history of myocardial infarction is prescribed aspirin daily. Critically, what is the primary mechanism of action of aspirin at low doses that contributes to its cardiovascular protective effect?

A. Vasodilation.
B. Inhibition of COX-2.
C. Irreversible inhibition of COX-1 in platelets, leading to reduced thromboxane A2.
D. Activation of plasminogen.
nmdcat.online BS Nursing
Jun 6, 2026

38. A patient on opioid analgesics for chronic pain develops severe constipation. Urgently, which pharmacological class is specifically designed to treat opioid-induced constipation without crossing the blood-brain barrier and reversing analgesia?

A. Bulk-forming laxatives.
B. Stool softeners.
C. Peripherally acting ?-opioid receptor antagonists (PAMORAs, e.g., methylnaltrexone).
D. Stimulant laxatives.
nmdcat.online BS Nursing
Jun 6, 2026

36. A patient is prescribed a macrolide antibiotic (e.g., azithromycin). Technically, what is the mechanism of action of macrolides?

A. Inhibiting bacterial cell wall synthesis.
B. Inhibiting bacterial protein synthesis by binding to the 50S ribosomal subunit.
C. Inhibiting bacterial DNA gyrase.
D. Disrupting bacterial cell membrane.
nmdcat.online BS Nursing
Jun 6, 2026

34. A patient develops urgently status epilepticus. Critically, which class of drugs is typically used for initial urgent management to terminate seizures?

A. Phenytoin.
B. Carbamazepine.
C. Benzodiazepines (e.g., lorazepam, diazepam).
D. Ethosuximide.
nmdcat.online BS Nursing
Jun 6, 2026

33. A patient with Type 2 Diabetes is prescribed glipizide. Medicinally, what is the primary mechanism of action of glipizide?

A. Decreasing hepatic glucose production.
B. Increasing glucose uptake in peripheral tissues.
C. Stimulating insulin secretion from pancreatic beta cells.
D. Inhibiting carbohydrate absorption.
nmdcat.online BS Nursing
Jun 6, 2026
nmdcat.online BS Nursing
Jun 6, 2026

31. A patient with chronic heart failure is prescribed carvedilol. Clinically, what is a critical caution when initiating carvedilol therapy, especially in the elderly?

A. Rapid dose escalation is recommended.
B. Initiate at a low dose and titrate up slowly to avoid worsening heart failure symptoms.
C. It should be stopped if blood pressure drops slightly.
D. It should be given only in the hospital setting.
nmdcat.online BS Nursing
Jun 6, 2026
Page 490 of 583
Jump to:

🏆 Top Contributors

  • N

    nmdcat.online

    11060 MCQs

  • N

    NMDCAT.ONLINE

    1 MCQ

  • G

    GULABsb

    1 MCQ

Categories

View all →