Nokea
Which of the following has the highest proportion of etiology of congenital malformations?
- A. Maternal infections
- B. Maternal illness
- C. Environmental agents
- D. Monogenic inheritance
Correct Answer: D
Rationale: Monogenic inheritance accounts for the highest proportion of congenital malformations.
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The nurse is providing discharge instructions to a client who is receiving prednisone (Deltasone) 5 mg PO daily for a rash due to contact with poison ivy. Which symptom should the nurse tell the client to report to the healthcare provider?
- A. Rapid weight gain
- B. Increased energy levels.
- C. Frequent headaches.
- D. Dry mouth.
Correct Answer: A
Rationale: Rapid weight gain may indicate fluid retention, a side effect of prednisone that requires medical evaluation.
The following conditions can present in a newborn infant as a bullous eruption:
- A. Syphilis
- B. Mast cell disease
- C. Epidermolysis bullosa
- D. Phenylketonuria
Correct Answer: C
Rationale: Epidermolysis bullosa is a genetic condition causing blistering of the skin. Syphilis and mast cell disease can also cause bullous eruptions, but phenylketonuria does not.
Extracorpuscular causes of haemolysis include:
- A. a-Thalassaemia
- B. Hereditary ovalocytosis
- C. Warm antibody autoimmune haemolytic anaemia
- D. Pyruvate kinase deficiency
Correct Answer: C
Rationale: Warm antibody autoimmune haemolytic anaemia is an extracorpuscular cause of haemolysis. a-Thalassaemia and pyruvate kinase deficiency are intracorpuscular causes.
Possible causes of isosexual precocious puberty in a 6-year-old girl are:
- A. McCune-Albright syndrome
- B. Congenital adrenal hyperplasia (CAH)
- C. Ovarian tumour
- D. Hypothalamic hamartomas
Correct Answer: D
Rationale: Hypothalamic hamartomas can cause precocious puberty by secreting gonadotropin-releasing hormone (GnRH) prematurely.
Arrhythmia in Children
- A. Re entry Tachycardia is the commonest
- B. Adenosine decreases the force of cardiac contractility
- C. SVT can cause hydrops foetalis
- D. Valsalva maneuver can restore sinus rhythm
Correct Answer: A
Rationale: Re-entry tachycardia is the most common type of arrhythmia in children.