Nokea
Patients with iron deficiency will develop:
- A. Hemolytic anemia
- B. Megaloblastic anemia
- C. Macrocytic-hypochromic anemia
- D. Microcytic-hypochromic anemia
Correct Answer: D
Rationale: Iron deficiency causes microcytic-hypochromic anemia due to reduced hemoglobin synthesis.
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Which of the following statements about leukotriene pathway inhibitors in
- A. They are more potent anti-inflammatory agents than corticosteroids
- B. Have less side effects than corticosteroids
- C. Are contraindicated in children below 10 years of age
- D. Have no role in aspirin induced asthma
Correct Answer: B
Rationale: Leukotriene inhibitors have fewer side effects than corticosteroids.
Hepatitis B vaccine is contraindicated in patients who:
- A. Were born after less than 32 weeks gestation (give first dose at age 6 months)
- B. Are pregnant
- C. Are on hemodialysis
- D. Are allergic to yeast
Correct Answer: D
Rationale: Hepatitis B vaccine is contraindicated in yeast allergy (it's yeast-derived); prematurity , pregnancy , or dialysis are not.
A classic drug interaction resulting in an increased bleeding time, involves warfarin and:
- A. Vitamin B6
- B. Aspirin
- C. Folic acid
- D. Rifampin
Correct Answer: B
Rationale: Aspirin inhibits platelet aggregation, enhancing warfarin's anticoagulant effect and increasing bleeding risk.
Beta blockers are the drugs of choice for exertional angina because they:
- A. Improve myocardial oxygen supply by vasodilating the coronary arteries
- B. Decrease myocardial oxygen demand by decreasing heart rate and vascular resistance
- C. Both 1 and 2
- D. Neither 1 nor 2
Correct Answer: B
Rationale: Beta blockers reduce oxygen demand by lowering heart rate and resistance, not by vasodilation.
Patients should be instructed regarding the rapid onset of zolpidem (Ambien) because:
- A. Zolpidem should be taken just before going to bed.
- B. Zolpidem may cause dry mouth and constipation.
- C. Patients may need to double the dose for effectiveness.
- D. They should stop drinking alcohol at least 30 minutes before taking zolpidem.
Correct Answer: A
Rationale: Zolpidem's rapid onset requires bedtime administration to prevent falls or amnesia.