How are excretory products removed from the blood during kidney dialysis, without removing glucose?
A. The dialysis membrane allows excretory products to pass through, but not glucose. B. A potential difference across the dialysis membrane draws through excretory products only. C. Excretory products dissolve in dialysis fluid but glucose does not. D. The dialysis fluid contains glucose but not excretory products. Answer “D” 12. Explain the control of ADH (antidiuretic hormone) secretion. Award [4 max] for: produced in hypothalamus; via neurosecretory cells; passes from hypothalamus to (posterior) pituitary; attached to carrier protein / neurophysin; (stored) in posterior pituitary / neurohypophysis; released under stimulus by osmoreceptors in hypothalamus; osmoreceptors stimulated by high blood plasma concentration/reduced blood pressure; increases water reabsorption (in kidneys); Award [2 max] for: site of action is collecting duct; promotes constriction of blood vessels; increases blood pressure; there is a negative feedback control of ADH/vasopressin secretion; [6 max] 13. Blood v