Nokea
The nurse is caring for a child with cystic fibrosis. Which intervention is most important when the child is hospitalized with a respiratory infection?
- A. Administer prescribed antibiotics as soon as possible.
- B. Increase fluid intake to help thin mucus.
- C. Provide respiratory treatments and postural drainage.
- D. Encourage high-calorie, high-protein meals.
Correct Answer: C
Rationale: Respiratory treatments and postural drainage are critical to help clear mucus from the lungs in children with cystic fibrosis, especially during respiratory infections.
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Cataracts are recognised in:
- A. Hyperthyroidism
- B. Down syndrome
- C. Graves' disease
- D. PKU
Correct Answer: B
Rationale: Cataracts are a recognized feature in Down syndrome. They are not typically associated with Hyperthyroidism, Graves' disease, or PKU.
All the following are true regarding coarctation of the aorta EXCEPT
- A. notching of ribs is noted
- B. doppler is useful for demonstrating severe obstruction
- C. diagnostic catheterization is mandatory before surgery
- D. CT and MRI are valuable noninvasive tools for evaluation when the echocardiogram is equivocal
Correct Answer: C
Rationale: Diagnostic catheterization is not always mandatory before surgery for coarctation of the aorta.
Which is the incorrect statement regarding effect of dobutamine infusion in patients with heart failure
- A. Left ventricular end diastolic pressure decreases
- B. Mean arterial pressure decreases slightly due to interplay of actions on alpha 1 and alpha 2 receptors
- C. Left ventricular end systolic volume decreases
- D. There is increased myocardial oxygen demand
Correct Answer: B
Rationale: Mean arterial pressure typically increases, not decreases, with dobutamine infusion due to its inotropic effects.
Tests used in establishing a diagnosis of coeliac disease are:
- A. IgA anti-endomysial antibodies
- B. IgM anti-reticulin antibodies
- C. IgA anti-gliadin antibodies
- D. Duodenal biopsy
Correct Answer: D
Rationale: A duodenal biopsy is the gold standard for diagnosing coeliac disease, as it provides histological confirmation of the disease.
The following drugs are contraindicated in renal failure:
- A. Nitrofurantoin
- B. Carbamazepine
- C. Salbutamol
- D. Metolazone
Correct Answer: A
Rationale: Nitrofurantoin is contraindicated in renal failure due to the risk of accumulation and subsequent toxicity, as the kidneys are unable to excrete the drug effectively.