Nokea
Features predisposing to NEC (necrotising enterocolitis) in the neonatal period include:
- A. Short fixation
- B. Asphyxia
- C. Umbilical artery catheter
- D. Maternal Crohn's disease
Correct Answer: B
Rationale: Asphyxia is a known risk factor for necrotizing enterocolitis (NEC) due to its effect on intestinal blood flow, leading to bowel ischemia and increased risk of bacterial translocation.
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Examples of encapsulated organisms are all except:
- A. Pseudomonas
- B. Proteus
- C. Pneumococci
- D. Salmonella
Correct Answer: A
Rationale: The correct answer is A because Pseudomonas is not an encapsulated organism. The other options (b-e) are encapsulated.
The treatment of choice for the lesion of the neonate is
- A. digoxin
- B. propranolol (Inderal)
- C. surgical shunt
- D. balloon valvuloplasty
Correct Answer: D
Rationale: Balloon valvuloplasty can relieve pulmonary stenosis and improve symptoms in Tetralogy of Fallot.
The most common cause for testicular pain in boys in 2-10 years of age is
- A. Testicular torsion
- B. Torsion of appendix testis
- C. Epididymitis
- D. Congenital varicocele
Correct Answer: B
Rationale: Torsion of the appendix testis is the most common cause of testicular pain in boys aged 2-10 years, as it involves the twisting of a small vestigial remnant.
A 2-year-old child should be able to:
- A. Name three colours correctly
- B. Use plurals
- C. Build a tower of five blocks
- D. Kick a ball on request
Correct Answer: C
Rationale: A 2-year-old can typically build a tower of five blocks. Naming colors and using plurals are more advanced skills, and kicking a ball is variable.
The following enzymes and inhibitors are matched correctly:
- A. Xanthine oxidase-allopurinol
- B. Enolase-fluoride
- C. Cholinesterase-physostigmine
- D. Ceruloplasmin-penicillamine
Correct Answer: A
Rationale: Xanthine oxidase-allopurinol: Allopurinol inhibits xanthine oxidase, which plays a role in purine metabolism, and is used to treat gout and prevent uric acid buildup.