Cardiovascular Physiology: Questions for Self Assessment by J. R. Levick

By J. R. Levick

An advent to Cardiovascular body structure presents the coed with the main recommendations of cardiovascular body structure, from the basics of the way the cardiovascular approach works in either overall healthiness and disorder, via to a attention of extra complicated physiological mechanisms. This fresh significant other paintings Cardiovascular body structure: Questions for Self-Assessment permits scholars to check themselves on all facets of the subject with over two hundred questions and solutions, at a velocity to fit their learning.

Questions stick with An creation to Cardiovascular Physiology's desk of contents, and the writer has set at the very least one query on each one chapter's studying target to aid the coed to evaluate their development opposed to the set targets. The questions are designed to check easy realizing, primary ideas and scientific relevance, they usually keep away from over the top aspect. such a lot are in a a number of selection, True/False layout, with a sprinkling of different query types together with prolonged matching questions, the place the reader chooses the easiest resolution from a listing, and trying out little numerical difficulties. additionally integrated with the solutions are 'More information' bins that come with a quick rationalization, and hyperlinks to correct details and figures from a variety of chapters, hence encouraging integration of studying around the topic.

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Extra resources for Cardiovascular Physiology: Questions for Self Assessment

Example text

E. at 90Њ to horizontal, to represent the signal recorded by lead aVF. The dipole is the hypotenuse of a right angle triangle. 5 is 30Њ. e. The electrical axis is perfectly normal here. e. negative. 1 Cardiac output is a. typically 4–6 l/min in a resting adult. b. increased by a rise in central venous pressure. c. increased by a rise in arterial blood pressure. d. increased when circulating catecholamine concentration falls. e. regulated by both sympathetic and parasympathetic autonomic nerves.

16 Mean systemic arterial blood pressure usually increases in response to a. stimulation of the carotid sinus baroreceptors. b. stimulation of peripheral chemoreceptors. c. brainstem compression/asphyxia. d. atropine. e. ganglionic blocking drugs. f. sleep. g. pregnancy. 17 The velocity of blood a. in the ascending aorta falls to nearly zero at the onset of diastole. b. becomes non-pulsatile in arterioles. c. is slower in capillaries than arteries. d. is slower in veins than capillaries. 18 According to Poiseuille’s law for flow along a cylindrical tube, a.

T – This is Darcy’s law applied to the whole systemic circulation, for which the flow is the cardiac output. Flow ϭ pressure drop/resistance, so CO ϭ BP/TPR, taking central venous pressure as zero mmHg above atmospheric pressure. Rearranging this, BP ϭ CO ϫ TPR. c. T – Venous return equals cardiac output in the steady state. So this is again Darcy’s law applied to the whole systemic circulation. From (b), VR ϭ CO ϭ BP/TPR. d. T – This again follows from the Darcy equation in (b), with HR ϫ SV substituted for cardiac output; CO ϭ HR ϫ SV ϭ BP/TPR.

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