1.Easy
Which cells secrete antibodies?
- AHelper T cells
- BPlasma cells
- CMacrophages
- DNeutrophils
2.Easy
Which hormone lowers blood glucose?
- ACortisol
- BInsulin
- CAdrenaline
- DGlucagon
3.Easy
Which hormone raises blood calcium levels?
- AThyroxine
- BInsulin
- CParathyroid hormone
- DCalcitonin
4.Medium
Besides lowering glucose, insulin moves which ion into cells, an effect used to treat hyperkalaemia?
- ASodium
- BChloride
- CPotassium
- DCalcium
5.Medium
What is the main effect of aldosterone on the kidney?
- AIncreased filtration in the glomerulus
- BWater reabsorption by inserting aquaporins only
- CSodium reabsorption and potassium secretion in the distal nephron
- DGlucose reabsorption in the proximal tubule
6.Medium
Which is a classic example of positive feedback in the body?
- ASweating when body temperature rises
- BOxytocin release during labour
- CADH release when plasma osmolality rises
- DInsulin release after a meal
7.Hard
Constriction of the efferent arteriole of a glomerulus, with the afferent arteriole unchanged, tends to:
- ALower glomerular capillary pressure and GFR
- BStop filtration completely
- CRaise glomerular capillary pressure and GFR
- DHave no effect on GFR at all
8.Hard
Why does left ventricular failure cause pulmonary oedema?
- AThe right ventricle pumps less blood into the lungs
- BRaised left atrial pressure increases pulmonary capillary hydrostatic pressure
- CThe bronchial arteries become blocked
- DPlasma oncotic pressure in the lungs rises sharply
Answer key
- 1. B · Plasma cells
- 2. B · Insulin
- 3. C · Parathyroid hormone
- 4. C · Potassium
- 5. C · Sodium reabsorption and potassium secretion in the distal nephron
- 6. B · Oxytocin release during labour
- 7. C · Raise glomerular capillary pressure and GFR
- 8. B · Raised left atrial pressure increases pulmonary capillary hydrostatic pressure
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