Nokea
Skin lesions characteristically associated with CNS problems:
- A. Dermatitis herpetiformis
- B. Vitiligo
- C. Strawberry angioma on face
- D. Axillary freckling
Correct Answer: D
Rationale: Axillary freckling
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True statements about the use of the new Child Health Foundation growth charts include:
- A. Immediate referral is advised if the height of a child is on the second centile
- B. The midparental height of a child, whose parents are 176 and 160 cm tall, is 175 cm
- C. They can be used for all children including those with Down's syndrome
- D. The target centile range for a girl is midparental height ± 10 cm
Correct Answer: C
Rationale: The growth charts are designed to be inclusive and can be used for children with Down's syndrome, among others.
Which type of shock is characterized by a hypersensitivity reaction causing massive vasodilation and capillary leaks, which may occur with drug or latex allergy?
- A. Neurogenic
- B. Cardiogenic
- C. Hypovolemic
- D. Anaphylactic
Correct Answer: D
Rationale: Anaphylactic shock results from extreme allergy or hypersensitivity to a foreign substance. Neurogenic shock results from loss of neuronal control, such as the interruption of neuronal transmission that occurs from a spinal cord injury. Cardiogenic shock is decreased cardiac output. Hypovolemic shock is a reduction in the size of the vascular compartment, decreasing blood pressure, and low central venous pressure.
Regarding body iron stores:
- A. Serum ferritin is a poor guide to iron stores
- B. A healthy young man will have more iron stored as ferritin than in the circulating red cell mass
- C. Iron is the stimulant for ferritin production
- D. In iron deficiency, stores of haemosiderin are mobilised before ferritin
Correct Answer: C
Rationale: Iron is a key regulator for ferritin production, and as iron levels rise, ferritin synthesis is stimulated to store excess iron.
List THREE indications for intervention for aortopathy in Marfan’s syndrome in an older teenager.
- A. Aortic root or ascending aorta dilation >44-50mm
- B. Symptomatic (pain consistent with rupture)
- C. Growth of >0.5cm/y
- D. All of the above
Correct Answer: D
Rationale: These are significant indicators that require surgical intervention to prevent further complications, such as rupture or dissection.
The typical radiologic configuration in tetralogy of Fallot as seen in the anteroposterior view consists of all the following EXCEPT
- A. normal heart size
- B. some elevation of the cardiac apex
- C. convexity in the region of the main pulmonary artery
- D. right-sided aortic arch
Correct Answer: A
Rationale: Normal heart size is not typical in tetralogy of Fallot.