Nokea
Avascular necrosis of the femoral head is associated with:
- A. Sickle cell trait
- B. Nephrotic syndrome
- C. Cushing's syndrome
- D. Hypothyroidism
Correct Answer: C
Rationale: Cushing's syndrome is associated with avascular necrosis due to steroid use. Sickle cell trait, nephrotic syndrome, and hypothyroidism are not directly linked.
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In congenital hypertrophic pyloric stenosis:
- A. Conjugated hyperbilirubinaemia may be seen
- B. Hypokalaemia is due to vomiting
- C. Blood pH is high and urinary pH is low
- D. First-born males are commonly affected
Correct Answer: B
Rationale: Hypokalaemia in congenital hypertrophic pyloric stenosis is typically due to the loss of potassium through vomiting.
What are the SIX anatomic features associated with AVSD?
- A. AV-valve leaflets at the same level
- B. Absent AV septum
- C. Unwedged aortic valve
- D. Gooseneck elongated LVOT
Correct Answer: D
Rationale: AVSD involves multiple anatomic features that lead to a characteristic appearance and functional issues in the heart.
Sodium valproate is used in all types of seizures except:
- A. Absences
- B. Infantile spasms
- C. Generalised clonic seizures
- D. Myoclonic type
Correct Answer: B
Rationale: Infantile spasms: Sodium valproate is not the first-line treatment for infantile spasms. Vigabatrin is preferred due to its effectiveness in this condition.
Clinical manifestations of hypoplastic left-heart syndrome in the 1st 48 hr of life include
- A. always obvious color
- B. deep-blue skin
- C. bounding peripheral pulses
- D. occasional association with Turner syndrome
Correct Answer: C
Rationale: Bounding peripheral pulses are not typical in hypoplastic left-heart syndrome.
Factors triggering renin stimulation:
- A. Hyponatraemia
- B. ACTH
- C. Hypovolaemia
- D. ANP
Correct Answer: C
Rationale: Hypovolaemia