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Continuing Education in Anaesthesia Critical Care and Pain | Volume 4 Number 3 | 2004
Continuing Education in Anaesthesia, Critical Care & Pain | Volume 4 Number 3 2004 © The Board of Management and Trustees of the British Journal of Anaesthesia 2004

Multiple Choice Answers

The first 150 words of the full text of this article appear below.

50. The regulation of blood pressure:
(a) True; (b) False; (c) False; (d) True; (e) True
(a) Changes in the level of autonomic activity are the main control mechanisms for blood pressure. (b) Many systems, including the renin–angiotensin–aldosterone and the natriuretic peptides play a role in the control of blood pressure. (c) Renin is mainly regulated by the concentration of sodium in the distal tubule, but it is also modulated by sympathetic activity at the level of ß-adrenergic receptors. (d,e) Both statements are true, though the role of nitric oxide is less clearly defined.
51. The pathophysiology of hypertension:
(a) False; (b) True; (c) False; (d) True; (e) False
(a) In the young an increase in cardiac output is the main determinant of high blood pressure while in older patients the main determinant is an increase in systemic vascular resistance. (b) Vascular remodelling is central to the development of the . . . [Full Text of this Article]


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