1. The following lead to an increase in insulin secretion:
a) glucagon b) adrenaline c) growth hormone d) starvation e) major trauma
2. Adenyl cyclase:
a) increases the conversion of ATP to cyclic AMP b) is closely linked to alpha- and beta-adrenergic receptors c) is inhibited by aminophylline d) release is triggered by cyclic AMP e) acts at a mitochondrial level
3. Surfactant:
a) contains phospholipids b) prevents oedema formation in the alveolar wall c) reduces surface tension by approximately 30% d) produces a monomolecular layer e) stabilises the size of an alveolus
4. The oxyhaemoglobin dissociation curve is shifted to the left by:
a) an increase in arterial PCO2 b) acidosis c) chronic anaemia d) carbon monoxide e) a fall in temperature
5. In the adult, growth hormone stimulates:
a) glucose uptake into cells b) calcium absorption from the gut c) protein synthesis d) fat synthesis e) bone growth
ANSWERS
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ArticleDate:20040706
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