TheoryFree Oman Nurse Exam Prep OMSB Practice Test PDF
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Free Oman Nurse Exam Prep OMSB PDF with 30 questions
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The PDF includes 30 Oman Nurse Exam Prep OMSB questions with answers and explanations.
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Q1Spironolactone is a potassium-sparing diuretic. The nurse should monitor for which electrolyte imbalance?
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✓ Correct answer: Hyperkalemia
Spironolactone blocks aldosterone, retaining potassium; hyperkalemia is the major risk especially in patients with renal impairment or those taking ACE inhibitors.
Q2A patient taking warfarin develops an INR of 8.0 with active bleeding. The PRIORITY reversal agent is:
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✓ Correct answer: Fresh frozen plasma and IV Vitamin K
For life-threatening warfarin-related bleeding, the priority is immediate reversal with FFP (rapid factor replacement) combined with IV Vitamin K (sustained effect).
Q3A patient develops sudden onset of confusion, slurred speech, right-sided weakness, and facial drooping. The nurse suspects a stroke. The most critical initial action is to:
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✓ Correct answer: Obtain emergency CT scan of the head to differentiate ischemic from hemorrhagic stroke
An emergency non-contrast CT scan of the head is essential to differentiate ischemic stroke (treatable with tPA if eligible) from hemorrhagic stroke (where tPA is contraindicated). The time window for tPA is 3–4.5 hours from symptom onset.
Q4A patient who started lithium therapy 2 weeks ago presents with tremors, nausea, and a serum lithium level of 2.2 mEq/L. The nurse's priority action is to:
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✓ Correct answer: Withhold lithium, notify physician immediately — serum level indicates toxicity
The therapeutic lithium range is 0.6–1.2 mEq/L. A level of 2.2 mEq/L is toxic (>1.5 mEq/L). Signs include tremor, nausea, confusion, and at higher levels: seizures and cardiac arrhythmias. Lithium must be withheld and the physician notified immediately. Hydration and monitoring are key.
Q5A child with suspected intussusception presents with intermittent severe abdominal pain, drawing up knees to chest, and 'currant jelly' stools. The most appropriate initial diagnostic study is:
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✓ Correct answer: Air or water-soluble contrast enema (both diagnostic and therapeutic)
Intussusception (telescoping of bowel) is diagnosed and often treated with an air or hydrostatic (water-soluble contrast) enema under fluoroscopy. This is both diagnostic and therapeutic (reduces the intussusception in 75–90% of cases). 'Currant jelly' stool is a classic but late sign.
Q6In Oman, health promotion activities are primarily delivered at the community level through which mechanism?
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✓ Correct answer: MOH health education programs at primary healthcare centers, schools, workplaces, and community outreach via health nurses
Oman's health promotion strategy is delivered through MOH primary healthcare centers, the school health program, workplace health initiatives, and community outreach by public health and community nurses. Health education focuses on smoking cessation, diabetes prevention, obesity, and vaccination uptake.
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