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
SiteSection: Article
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