In a cyanotic spell of TOF
- A. Systemic vascular resistance is reduced
- B. Murmur disappear
- C. PO2 is reduced
- D. Right to Left shunt is Increased
Correct Answer: D
Rationale: During a cyanotic spell in Tetralogy of Fallot, there is an increased right-to-left shunting through the ventricular septal defect.
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Which should the nurse consider when preparing a school-age child and the family for heart surgery?
- A. Unfamiliar equipment should not be shown.
- B. Let the child hear the sounds of an ECG monitor.
- C. Avoid mentioning postoperative discomfort and interventions.
- D. Explain that an endotracheal tube will not be needed if the surgery goes well.
Correct Answer: B
Rationale: The child and family should be exposed to the sights and sounds of the intensive care unit (ICU). All positive, nonfrightening aspects of the environment are emphasized. The child should be shown unfamiliar equipment and its use demonstrated on a doll. Carefully prepare the child for the postoperative experience, including intravenous (IV) lines, incision, and endotracheal tube.
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).
Insulin-like growth factor-l (IGF-I):
- A. Increases during pubertal growth spurt
- B. Is a single polypeptide chain
- C. Is produced in pancreas
- D. Is secreted in a pulsatile manner
Correct Answer: A
Rationale: IGF-I levels rise significantly during the pubertal growth spurt, contributing to rapid growth and development.
An adult woman with primary Raynaud phenomenon develops pallor and then cyanosis of her fingers. After warming her hands, the fingers turn red and the client reports a burning sensation. What action should the nurse take?
- A. Apply a cool compress to the affected fingers for 20 minutes
- B. Secure a pulse oximeter to monitor the client's oxygen saturation
- C. Report the finding to the healthcare provider as soon as possible
- D. Continue to monitor the fingers until color returns to normal
Correct Answer: D
Rationale: Monitoring is appropriate as the symptoms are consistent with Raynaud's phenomenon and should resolve with warming.
Abnormal coloration of the urine (in the absence of haematuria) may be due to:
- A. Consumption of beetroot
- B. Treatment with co-danthramer
- C. Phenylketonuria
- D. Acute intermittent porphyria
Correct Answer: A
Rationale: Beetroot can cause red urine. Co-danthramer, phenylketonuria, and porphyria can also cause abnormal urine color, but beetroot is a common cause.