Nokea
Regarding sumatriptan:
- A. It has a good oral bioavailability
- B. Its onset of action is within 15 minutes of subcutaneous administration
- C. Is a 5-HT agonist
- D. Acts on adrenergic and muscarinic receptors
Correct Answer: B
Rationale: Its onset of action is within 15 minutes of subcutaneous administration
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Regarding hypogonadotropic hypogonadism:
- A. Kallman syndrome is an example
- B. It is caused by testicular atrophy secondary to trauma
- C. LHRH testing is used to distinguish it from other forms of hypogonadism
- D. It is treated with buserelin sprays
Correct Answer: A
Rationale: Kallman syndrome is a classic example of hypogonadotropic hypogonadism, characterized by delayed puberty and anosmia.
Mycoplasma pneumonia:
- A. Is associated with bullous myringitis
- B. Cold haemaglutinin antibodies are a recognised finding
- C. Guillain-Barre syndrome is a recognised sequel
- D. Is associated with erythema marginatum
Correct Answer: B
Rationale: Cold haemagglutinin antibodies are a recognized finding in Mycoplasma pneumonia. Bullous myringitis and Guillain-Barre syndrome are also associated.
What are the FOUR mechanisms for LV outflow tract obstruction in AVSD?
- A. Gooseneck
- B. Subaortic fibromuscular ridge
- C. Septal hypertrophy
- D. Abnormal LAVV chordal attachments
Correct Answer: B
Rationale: The subaortic fibromuscular ridge is a common cause of LV outflow tract obstruction in AVSD, affecting the smooth flow of blood.
Features of congenital rubella syndrome include:
- A. Intrauterine growth retardation
- B. Hepatomegaly
- C. Thrombocytopenia
- D. Polydactyly
Correct Answer: A
Rationale: Intrauterine growth retardation is a classic feature of congenital rubella syndrome due to the teratogenic effects of the virus.
Shone complex consist of the following EXCEPT
- A. coarctation of the aorta
- B. subvalvar aortic stenosis
- C. valvar aortic stenosis
- D. pulmonic stenosis
Correct Answer: D
Rationale: Pulmonic stenosis is not part of Shone complex.