Nokea
In autism:
- A. Social interaction is normal
- B. Dopamine levels are reduced
- C. Genetic factors may play a role in aetiology
- D. Methylphenidate is used with benefit
Correct Answer: C
Rationale: Genetic factors may play a role in aetiology: Autism spectrum disorder (ASD) has a strong genetic component, with numerous genes contributing to its development, although environmental factors may also play a role.
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Treatment for congestive heart failure (CHF) in an infant began 3 days ago and has included digoxin and furosemide. The child no longer has retractions, lungs are clear, and HR is 96 beats per minute while sleeping. The nurse is confident that the child has diuresed successfully and has good renal perfusion when the nurse notes the child's urine output is:
- A. 0.5 cc/kg/hr
- B. 1 cc/kg/hr
- C. 30 cc/hr
- D. 1 oz/hr
Correct Answer: B
Rationale: Normal pediatric urine output is approximately 1 cc/kg/hr.
What does the nurse need to assess first when caring for a child with a suspected myocardial infarction?
- A. Blood pressure and heart rate
- B. Chest pain and anxiety levels
- C. Oxygen saturation and respiratory rate
- D. Electrocardiogram and heart sounds
Correct Answer: D
Rationale: The first priority in a suspected myocardial infarction is to assess the heart's electrical activity using an electrocardiogram and listen to heart sounds for any abnormality such as murmurs.
Regarding coarctation of aorta
- A. Associated with Turner's syndrome
- B. Commonest is preductal type
- C. Radio femoral delay is a feature
- D. Systolic BP in lower limb is higher than in upper limb
Correct Answer: C
Rationale: Radio-femoral delay is a characteristic feature of coarctation of the aorta due to the obstruction in blood flow.
The following are associated with an increased risk of fetal abnormalities:
- A. Oligohydramnios
- B. A previous sibling with anencephaly
- C. Paternal diabetes
- D. Decreased a-fetoprotein level
Correct Answer: B
Rationale: A previous sibling with anencephaly increases the risk of fetal abnormalities, particularly neural tube defects, in subsequent pregnancies.
Early features of heart failure in infancy include:
- A. Bradycardia
- B. Oedema
- C. Tachypnoea
- D. Hepatomegaly
Correct Answer: C
Rationale: Tachypnoea is an early indicator of heart failure in infants, as the body tries to compensate for reduced oxygenation by increasing the respiratory rate.