Nokea
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).
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Nystagmus can be a presenting sign in:
- A. Partial albinism
- B. Retinopathy of prematurity
- C. Acute vestibulitis
- D. Medulloblastoma
Correct Answer: D
Rationale: Medulloblastoma, a type of brain tumor, can present with nystagmus due to its impact on the cerebellum and brainstem.
During a well baby examination of a 6-week-old infant, poor weight gain, acrocyanosis of the hands and feet, and a respiratory rate of 60 breaths per minute are noted. Oxygen saturation on room air is 93%. What is the correct action?
- A. Follow-up in 1 week to assess the infant's weight.
- B. Order a chest radiograph and an electrocardiogram.
- C. Reassure the parents that the exam is within normal limits.
- D. Refer the infant to a pediatric cardiologist.
Correct Answer: D
Rationale: Infants with oxygen saturation less than 95% and those with poor feeding should be referred emergently to a cardiologist.
The following are true about water excretion:
- A. It is influenced by the proximal tubule
- B. It is influenced by vasopressin
- C. It depends on erythropoietin
- D. It is influenced by the ascending limb of the loop of Henle
Correct Answer: B
Rationale: It is influenced by vasopressin: Vasopressin (ADH) regulates water reabsorption in the kidneys, primarily by acting on the collecting ducts, enhancing water retention in response to dehydration.
Which vaccines must be delayed for 11 months after the administration of gamma globulin? (Select all that apply.)
- A. Diphtheria, tetanus, and pertussis
- B. Hepatitis B
- C. Inactivated polio virus
- D. Measles, mumps, and rubella
Correct Answer: D
Rationale: Live virus vaccines (MMR and Varicella) should be delayed for 11 months after gamma globulin infusion because the passive antibodies can interfere with vaccine efficacy.
Two days after a nephrectomy, the client reports abdominal pressure and nausea, which assessment should the nurse implement?
- A. Palpate the abdomen
- B. Measure hourly urine output
- C. Ambulate client in hallway
- D. Auscultate bowel sounds
Correct Answer: D
Rationale: Auscultating bowel sounds helps assess for any bowel obstruction or ileus, which could be contributing to abdominal pressure.