Nokea
An older adult woman with a long history of chronic obstructive pulmonary disease (COPD) is admitted with progressive shortness of breath and a persistent cough. She is anxious and is complaining of a dry mouth. Which intervention should the nurse implement?
- A. Administer a prescribed sedative
- B. Encourage client to drink water
- C. Apply a high-flow venturi mask
- D. Assist her to an upright position
Correct Answer: D
Rationale: An upright position improves lung expansion and oxygenation, which is crucial for a client with COPD.
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Acute laryngotracheobronchitis in children:
- A. Needs to be treated by broad-spectrum antibiotics
- B. Humidified oxygen by tent needs to be administered in infancy
- C. Dexamethasone is known to shorten the duration of illness
- D. Adrenaline by nebuliser is absolutely contraindicated
Correct Answer: C
Rationale: Dexamethasone, a corticosteroid, is known to reduce inflammation and shorten the duration of illness in acute laryngotracheobronchitis (croup).
Coxsackie viruses are implicated in:
- A. Herpangina
- B. Dermatitis herpetiformis
- C. Meningitis
- D. Orchitis
Correct Answer: A
Rationale: Coxsackie viruses are a common cause of herpangina. They can also cause meningitis and orchitis, but dermatitis herpetiformis is not associated with Coxsackie viruses.
Pulmonary stenosis
- A. Most common at pulmonary valve level
- B. Valve dilatation done for dysplastic valves
- C. Ejection click occurs in past stenotic dilatation
- D. Surgery done when Rt ventricular pressure exceeds 25 mmHg
Correct Answer: A
Rationale: Pulmonary stenosis is most commonly found at the pulmonary valve level.
The reason that the hematocrit is so high is
- A. chronic hypoxia
- B. it was taken in a low cardiac output state
- C. it was a peripheral finger stick
- D. embolic stroke
Correct Answer: A
Rationale: Chronic hypoxia leads to secondary polycythemia as a compensatory mechanism.
The Duke criterion for the diagnosis of endocarditis is a major
- A. new regurgitant flow by echocardiography
- B. Osler nodes
- C. single positive blood culture
- D. serologic evidence of infection
Correct Answer: C
Rationale: A single positive blood culture is one of the major criteria for diagnosing endocarditis.