Nokea
When taking a medication history on a patient why should the nurse ask about the use of alternative therapies?
- A. Patients who use new drugs are usually not compliant with medical regimens.
- B. Many drug-alternative therapy interactions can cause serious problems and should be avoided.
- C. Natural products may be more effective and the drug may not be needed.
- D. The cost of the drug and the alternative therapy may be too great for the patient to handle.
Correct Answer: B
Rationale: Alternative therapies can interact with prescribed drugs, potentially causing adverse effects, making this a critical assessment point.
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Which of the following drugs should be avoided in a pregnant woman because of a risk of harming the fetus?
- A. Pravastatin
- B. Cholestyramine
- C. Gemfibrozil
- D. Niacin
Correct Answer: A
Rationale: Statins like pravastatin are contraindicated in pregnancy due to potential teratogenic effects.
Immunosupressive effects of glucocorticoids are denominated with:
- A. Decrease of interleukins 1,2
- B. Activation of lymphocyte proliferation
- C. Increase amount of T lymphocytes
- D. Activation of lymphocyte transport at the site of antigen stimulation
Correct Answer: A
Rationale: Glucocorticoids suppress immunity by decreasing pro-inflammatory cytokines like interleukins 1 and 2.
For patients taking warfarin, INRs are best drawn:
- A. Monthly throughout therapy
- B. Three times a week throughout therapy
- C. Two hours after the last dose of warfarin to get an accurate peak level
- D. In the morning if the patient takes their warfarin at night
Correct Answer: D
Rationale: Morning INR aligns with evening warfarin dosing for consistent monitoring; monthly is typical later, not peak-driven .
Km value indicates
- A. Purity of enzyme
- B. Physiological role
- C. Half life enzyme drug complex
- D. Affinity
Correct Answer: C
Rationale: Km (Michaelis constant) reflects the substrate concentration at half-maximum velocity, indicating enzyme-drug complex half-life.
David presents to the clinic with symptoms of allergic conjunctivitis. He is prescribed cromolyn sodium (Opticrom) eye drops. The education regarding using cromolyn eye drops includes:
- A. He should not wear his soft contacts while using the cromolyn eye drops
- B. Cromolyn drops are instilled once a day to prevent allergy symptoms
- C. Long-term use may cause glaucoma
- D. He may experience bradycardia as an adverse effect
Correct Answer: A
Rationale: Cromolyn can irritate soft contacts, requiring removal; it's not once daily or linked to glaucoma .