Nokea
Accepted maintenance treatment for chronic asthma includes the following:
- A. High-dose inhaled steroids and long-acting bronchodilators
- B. Montelucast
- C. Montelucast and inhaled steroids
- D. Long-acting ~2-agonists alone
Correct Answer: A
Rationale: The correct answer is A because high-dose inhaled steroids and long-acting bronchodilators are the mainstay of chronic asthma management. The other options (b-e) are less commonly used or not first-line.
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In the electrocardiogram of a 40-year old male, the QRS amplitude in lead I and aVF measured (+) 10 and (-)10mV respectively. The frontal QRS axis is
- A. (+) 15°
- B. (-) 45°
- C. (-) 75°
- D. (-) 90°
Correct Answer: B
Rationale: The frontal QRS axis is (-) 45° given the QRS amplitudes in leads I and aVF.
Cantwell criteria is used to diagnose
- A. Congenital tuberculosis
- B. Congenital syphilis
- C. Congenital rubella
- D. None of the above
Correct Answer: B
Rationale: The Cantwell criteria are used to diagnose congenital syphilis, based on clinical and laboratory findings.
A client who is newly diagnosed with emphysema is being prepared for discharge. Which instruction is best for the nurse to provide the client to assist them with dyspnea self-management?
- A. Allow additional time to complete physical activities to reduce oxygen demand
- B. Practice inhaling through the nose and exhaling slowly through pursed lips
- C. Use a humidifier to increase home air quality humidity between 30-50%
- D. Strengthen abdominal muscles by alternating leg raises during exhalation
Correct Answer: B
Rationale: Pursed-lip breathing helps improve oxygenation and reduce dyspnea in clients with emphysema.
The following statements are true regarding a screening test:
- A. Sensitivity indicates the proportion of true positives
- B. Specificity indicates the proportion of true negatives
- C. Sensitivity is inversely related to specificity
- D. Prevalence affects predictive value
Correct Answer: D
Rationale: Prevalence affects predictive value
Drug combinations recommended to be avoided include all, except
- A. Metronidazole and Warfarin
- B. Furosemide and Gentamicin
- C. Dihydropyridine calcium channel blockers and beta blockers
- D. Omega-3 and Antiplatelets
Correct Answer: D
Rationale: Omega-3 and antiplatelets are not typically a contraindicated combination.