Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Textbook Question
Chapter 15, Problem 12RQ
Most systemic arterioles are innervated by the ____ branch of the nervous system. Increased sympathetic input will have what effect on arteriole diameter?
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Chapter 15 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 15.2 - Would you expect to find valves in the veins...Ch. 15.2 - Prob. 2CCCh. 15.2 - Who has the higher pulse pressure, someone with...Ch. 15.2 - The formula given for calculating MAP applies to a...Ch. 15.2 - Prob. 5CCCh. 15.3 - Resistance to blood flow is determined primarily...Ch. 15.3 - Prob. 7CCCh. 15.3 - Prob. 8CCCh. 15.3 - Skeletal muscle arterioles have both - and...Ch. 15.4 - Prob. 10CC
Ch. 15.4 - Prob. 11CCCh. 15.5 - Prob. 12CCCh. 15.5 - In the classic movie Jurassic Park, Dr. Ian...Ch. 15.6 - A man with liver disease loses the ability to...Ch. 15.6 - Prob. 15CCCh. 15.7 - Prob. 16CCCh. 15.7 - Malnourished children who have inadequate protein...Ch. 15 - Prob. 1RQCh. 15 - Prob. 2RQCh. 15 - Prob. 3RQCh. 15 - Prob. 4RQCh. 15 - Prob. 5RQCh. 15 - Prob. 6RQCh. 15 - List the factors that aid venous return to the...Ch. 15 - Prob. 8RQCh. 15 - Prob. 9RQCh. 15 - Prob. 10RQCh. 15 - Prob. 11RQCh. 15 - Most systemic arterioles are innervated by the...Ch. 15 - Match each event in the left column with all...Ch. 15 - Which organs receive more than two-thirds of the...Ch. 15 - By looking at the density of capillaries in a...Ch. 15 - Prob. 16RQCh. 15 - Prob. 17RQCh. 15 - Define edema. List some ways in which it can...Ch. 15 - Prob. 19RQCh. 15 - Prob. 20RQCh. 15 - Calcium channel blockers prevent Ca2+ movement...Ch. 15 - Prob. 22RQCh. 15 - Prob. 23RQCh. 15 - Define myogenic autoregulation. What mechanisms...Ch. 15 - Left ventricular failure may be accompanied by...Ch. 15 - Robert is a 52-year-old nonsmoker. He weighs 180...Ch. 15 - The following figure is a schematic representation...Ch. 15 - Prob. 28RQCh. 15 - Draw a reflex map that explains Anthonys vasovagal...Ch. 15 - Prob. 30RQCh. 15 - Prob. 31RQCh. 15 - Prob. 32RQCh. 15 - Prob. 33RQCh. 15 - Prob. 34RQCh. 15 - Prob. 35RQCh. 15 - Prob. 36RQCh. 15 - Prob. 37RQCh. 15 - Prob. 38RQCh. 15 - Prob. 39RQ
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- Repolarization of ventricular myocardiocytes is caused by ______ the cells through voltage-gated channels. A potassium entering B potassium leaving C sodium entering D sodium leaving E calcium enteringarrow_forwardWhen the lumen of an artery is filled with plaque, cholesterol, or calcium salts, the condition is called ___. aneurysm ecchymosis atherosclerosis arteriosclerosisarrow_forwardIn the regulation of blood flow in or to the brain ____. Group of answer choices The large blood vessels of the brain are the most at risk of damage due to high blood pressure An increase in the pH of the cerebrospinal fluid would result in vasodilation Hyperemia in specific areas of the brain would result from an increase in metabolic activity in those areas An increase in blood pressure in the brain results in vasodilation of blood vesselsarrow_forward
- All arteries carry oxygenated blood except the ___ trunk and its branches. Is it pulmonary? why?arrow_forwardWhen heart muscle is suddenly starved of blood so that it dies, this is called ___. fusiform aneurysm angina pectoris saccular aneurysm acute myocardial infarctionarrow_forwardThe type(s) of vessels which could develop an aneurysm is (are) ___. arteries only veins only veins and arteries veins and capillariesarrow_forward
- Pressure in the ventricle would be lowest during _____. atrial systole ventricular systole ventricular diastole isovolumetric relaxation diastisisarrow_forwardA likely effect of parasympathetic input to the heart would be to _____. Open additional potassium channels in pacemaker cells Promote calcium entry in pacemaker and contractile cells There is no parasympathetic input to the heart Decrease force of ventricular contractionarrow_forwardAfter passing through the subclavian vein blood next passes into the ______. A axillary vein and then into the brachial vein B right atrium and then into the right ventricle C subclavian artery and then into the capillary beds in the armpit region D brachiocephalic vein and then into the superior vena cava E internal jugular vein and then into the external jugular veinarrow_forward
- The two _____ veins unite like an upsidedown Y to form the inferior vena cavaarrow_forwardWhen the ventricles are no longer acting as a syncytium and can't pump blood, they are in ____. Group of answer choices ventricular tachycardia fibrillation bradycardia AV node blockarrow_forwardThe purposes of arteries are all these EXCEPT ___. carry blood from left ventricle to the systemic circulation carry blood from arterioles to capillaries carry blood from right ventricle to lungs assist the heart by elastically expanding then returning to original size with each pulsearrow_forward
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