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BS Nursing

5385 questions found

Practice Questions

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

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

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

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

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

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

26. A patient is receiving amphotericin B for a severe fungal infection. Urgently, what critical adverse reaction can occur during infusion, necessitating pre-medication and slow infusion?

A. Bradycardia.
B. Infusion-related reactions (e.g., fever, chills, rigors).
C. Severe diarrhea.
D. Hyperglycemia.
nmdcat.online BS Nursing
Jun 6, 2026

28. A patient is prescribed methotrexate for rheumatoid arthritis. Technically, what is the mechanism of action of methotrexate that contributes to its immunosuppressive and anti-inflammatory effects?

A. Inhibiting TNF-alpha.
B. Blocking cyclooxygenase enzymes.
C. Inhibiting dihydrofolate reductase, leading to folate depletion.
D. Stimulating B-cell proliferation.
nmdcat.online BS Nursing
Jun 6, 2026
nmdcat.online BS Nursing
Jun 6, 2026

15. A patient on long-term NSAID therapy for arthritis develops gastric pain. Technically, what is the mechanism by which NSAIDs can cause gastrointestinal ulcers?

A. Increasing gastric acid secretion.
B. Inhibiting COX-1, leading to reduced protective prostaglandin synthesis.
C. Stimulating histamine release.
D. Direct irritation of the gastric mucosa.
nmdcat.online BS Nursing
Jun 6, 2026

16. A patient with hyperthyroidism is prescribed propylthiouracil (PTU). Medicinally, what is the primary mechanism of action of PTU?

A. Increasing thyroid hormone synthesis.
B. Inhibiting thyroid hormone release.
C. Inhibiting thyroid peroxidase, thus blocking thyroid hormone synthesis.
D. Destroying thyroid gland cells.
nmdcat.online BS Nursing
Jun 6, 2026

17. A patient with an acute allergic reaction develops widespread urticaria and angioedema. Urgently, what is the most critical first-line pharmacological intervention?

A. Oral antihistamine.
B. Topical corticosteroid.
C. Intravenous epinephrine.
D. Oral prednisone.
nmdcat.online BS Nursing
Jun 6, 2026

19. A patient with Type 1 Diabetes is experiencing hypoglycemia. Clinically, if the patient is conscious and able to swallow, what is the most appropriate initial treatment?

A. Administer intravenous insulin.
B. Give glucagon injection.
C. Provide a source of rapidly absorbed carbohydrates.
D. Wait for symptoms to subside spontaneously.
nmdcat.online BS Nursing
Jun 6, 2026
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