Obstructed total anomalous pulmonary venous return (TAPVR) is a pediatric surgical emergency because
- A. therapy is usually not effective
- B. severe pulmonary congestion
- C. left atrium may be small
- D. left ventricle may be small
Correct Answer: B
Rationale: Obstructed TAPVR requires immediate surgical intervention due to severe pulmonary congestion.
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An infant aged 16 months was referred for assessment of suspected mental retardation. Which of the following findings is/are outside the normal range?
- A. He does not scribble spontaneously with pencil on paper
- B. He does not walk alone
- C. Ma' and 'Dada' are the only recognisable words
- D. He is unable to build a tower of four cubes
Correct Answer: B
Rationale: Not walking alone by 16 months is a concern. Scribbling, limited vocabulary, and building towers are less concerning at this age.
All are true about TAPSE (Tricuspid Annular Plane Systolic Excursion), except
- A. Normal TAPSE is >17 mm
- B. Reliable measure of RV systolic function
- C. Can be measured using either M-mode or 2D echo
- D. TAPSE is measured at septal aspect of tricuspid annulus
Correct Answer: D
Rationale: TAPSE is measured at the lateral aspect of the tricuspid annulus, not the septal aspect.
An 8-year-old from the former Soviet Union is brought to your office because of a heart murmur and dusty blue skin. He has marked clubbing of his fingers and toes, and his hematocrit is 70%. He has a grade 4/6 holosystolic murmur. His chest x-ray reveals a normal pulmonary blood flow as well as a right-sided aortic arch. What is the likely diagnosis?
- A. total anomalous venous return
- B. tetralogy of Fallot
- C. Eisenmenger syndrome
- D. transposition of the great vessels
Correct Answer: C
Rationale: Eisenmenger syndrome involves reversal of shunt direction due to long-standing pulmonary hypertension, explaining the cyanosis and clubbing.
Short stature due to growth hormone deficiency:
- A. Is characteristically manifest in infancy
- B. May be secondary to irradiation to the skull
- C. Can be part of congenital hypopituitarism
- D. Is easily corrected
Correct Answer: B
Rationale: Growth hormone deficiency can result from cranial irradiation, which may damage the pituitary gland and impair hormone production.
A nurse prepares a client for coronary artery bypass graft surgery. The client states, I am afraid I might die. How should the nurse respond?
- A. This is a routine surgery and the risk of death is very low.
- B. Would you like to speak with a chaplain before surgery?
- C. Tell me more about your concerns about the surgery.
- D. What support systems do you have to assist you?
Correct Answer: C
Rationale: Encouraging the client to express their concerns allows the nurse to provide emotional support and address specific fears.
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