Nokea
The predominant manifestations of primary pulmonary hypertension include the following EXCEPT
- A. exercise intolerance
- B. precordial chest pain
- C. syncope
- D. low arterial oxygen saturation
Correct Answer: B
Rationale: Precordial chest pain is not a typical manifestation of primary pulmonary hypertension.
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Dubowitz criteria to assess gestational age include:
- A. Skin colour
- B. Breast tissue
- C. Popliteal angle
- D. Moro reflex
Correct Answer: B
Rationale: Breast tissue is one of the criteria used in the Dubowitz assessment to estimate gestational age. Skin colour, popliteal angle, and Moro reflex are not part of the Dubowitz criteria.
Commonly used anti-epileptic drugs in children include:
- A. Sodium valproate
- B. Lamotrigine
- C. Topiramate
- D. Phenytoin
Correct Answer: A
Rationale: The correct answer is A because sodium valproate is a commonly used anti-epileptic drug in children. The other options (b-e) are also used but are not the most common first-line treatment.
Malabsorption may be seen in:
- A. Ischaemia of the gut
- B. Giardiasis
- C. Lymphoma of the ileum
- D. Chronic lead poisoning
Correct Answer: B
Rationale: Giardiasis, caused by the parasite Giardia lamblia, is a well-known cause of malabsorption.
A nurse is teaching nursing students the physiology of congenital heart defects. Which defect results in decreased pulmonary blood flow?
- A. Atrial septal defect
- B. Tetralogy of Fallot
- C. Ventricular septal defect
- D. Patent ductus arteriosus
Correct Answer: B
Rationale: Tetralogy of Fallot results in decreased blood flow to the lungs. The pulmonic stenosis increases the pressure in the right ventricle, causing the blood to go from right to left across the ventricular septal defect. Atrial and ventricular septal defects and patent ductus arteriosus result in increased pulmonary blood flow.
Diagnosis of nocturnal enuresis can be made in:
- A. A 3-year-old boy with recurrent bedwetting
- B. A 4-year-old who has started bedwetting after attaining complete toilet control at 3½ years of age
- C. A 5-year-old girl who is recently staining her underclothes at school
- D. A 6-year-old recovering from a recent UTI
Correct Answer: B
Rationale: A 4-year-old who has started bedwetting after attaining complete toilet control at 3½ years of age: Nocturnal enuresis is diagnosed if bedwetting persists beyond the age of 5, especially if it starts after toilet training.