Age related changes in the heart include A increased maximum cardiac output B

Age related changes in the heart include a increased

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61) Age-related changes in the heart include A) increased maximum cardiac output.B) reduction in the elasticity of the fibrous skeleton.C) increased size of coronary vessels. D) decreased pressures in the great vessels.E) None of the answers are correct.Answer: BSection Title: Aging and the Cardiovascular SystemLearning Outcome: 22.12Bloom's Taxonomy: Knowledge
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22.2 Fill-in-the-Blank Questions1) The blood vessel type that is present in the body in the greatest numbers is the ________.Answer: capillarySection Title: Histological Organization of Blood VesselsLearning Outcome: 22.2Bloom's Taxonomy: Knowledge2) The smooth muscle fibers of the media decrease the diameter of the blood vessel, in a process called ________.Answer: vasoconstrictionSection Title: Histological Organization of Blood VesselsLearning Outcome: 22.2Bloom's Taxonomy: Knowledge3) The layer of stretchy fibers found between the media and adventitia is called the ________.Answer: external elastic membrane.Section Title: Histological Organization of Blood VesselsLearning Outcome: 22.2Bloom's Taxonomy: Knowledge4) ________ is characterized by endothelial changes and plaque accumulation. (Note: Be sure to capitalize the first letter of your answer).Answer: AtherosclerosisSection Title: Histological Organization of Blood VesselsLearning Outcome: 22.2Bloom's Taxonomy: Knowledge5) The smaller muscular arteries and arterioles change their diameter in response to local conditions or to ________.Answer: sympathetic stimulationSection Title: Histological Organization of Blood VesselsLearning Outcome: 22.3Bloom's Taxonomy: Knowledge6) The most important blood vessels in autoregulation of blood flow are the ________.Answer: arteriolesSection Title: Histological Organization of Blood VesselsLearning Outcome: 22.3Bloom's Taxonomy: Knowledge7) The ________ resembles a capillary and provides a direct means of artery-vein communication.Answer: thoroughfare channelSection Title: Histological Organization of Blood VesselsLearning Outcome: 22.4Bloom's Taxonomy: Knowledge
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8) Capillaries in the kidney are classified as ________.Answer: fenestratedSection Title: Histological Organization of Blood VesselsLearning Outcome: 22.4Bloom's Taxonomy: Knowledge9) Within the capillary bed a relatively direct means of arteriole-venule communication is provided by the ________.Answer: arteriovenous anastomoses, central channelsSection Title: Histological Organization of Blood VesselsLearning Outcome: 22.4Bloom's Taxonomy: Knowledge10) Connections between arteries and veins that may reduce the impact of a temporary or even a permanent occlusion of a single blood vessel are ________.Answer: anastomosesSection Title: Histological Organization of Blood VesselsLearning Outcome: 22.4Bloom's Taxonomy: Knowledge11) Venules and medium-sized veins contain the most blood at about ________ percent of the blood volume at rest. (Note: Be sure your answer is a numeral, e.g. "5" vs "five").
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