Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Textbook Question
Chapter 15.3, Problem 6CC
Resistance to blood flow is determined primarily by which? (a) blood viscosity, (b) blood volume, (c) cardiac output, (d) blood vessel diameter, or (e) blood pressure gradient (ΔP)
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Blood pressure can be significantly affected by (a) cardiac output (b) peripheral resistance (c) blood volume (d) a, b, and c (e) a and b only
(a) Name the type of blood vessel labelled
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(ii) D.
(b) In which direction does blood in vessel A travel?
(c) Which of the four blood vessels contains the most oxygen?
(d) What happens to the amount of oxygen in the blood as it passes through the body organs?
(e) What is the chamber of the heart labelled X?
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In a blood pressure reading of 120/80, the 120 represents and the 80 represents . (a) diastolic pressure; systolic pressure (b) pulse pressure; mean arterial pressure (c) systolic pressure; diastolic pressure (d) mean arterial pressure; pulse pressure
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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- Which of the following is most likely to cause a decrease in blood pressure (BP)? O a) A decrease in parasympathetic activity O b) Activation of the cardioacceleratory centre (CAC) O c) Activation of the renin-angiotensin system (RAS) O d) An increase in blood vessel diameterarrow_forwardCompared with the interstitial fluid that bathes active muscle cells, blood reaching these cells in arteries has a(A) lower osmotic pressure.(B) higher PO2.(C) lower pH.(D) higher PCO2.(E) greater bicarbonate concentration.arrow_forwardChanging the radius (diameter) of which of the following blood vessels is the most effective in changing blood pressure? (A) elastic artery (B) muscular artery (C) arteriole (D) capillary (E) medium veinarrow_forward
- Pulse is a direct measure of(A) blood pressure.(B) stroke volume.(C) cardiac output.(D) heart rate.arrow_forwardLocal control of blood flow through a tissue a) maintains a blood flow independent of changes in blood pressure b) is controlled via a relaxation or contraction of precapillary sphincters c) is controlled by changes in oxygen levels in the tissue d) is controlled by changes in carbon dioxide levels in the tissuearrow_forwardCompared with the interstitial fluid that bathes active musclecells, blood reaching these cells in arterioles has a(A) higher PO2.(B) higher PCO2.(C) greater bicarbonate concentration.(D) lower pH.arrow_forward
- If an individual has a heart rate of 80 bpm; end diastolic volume of 140 ml and end systolic volume of 100 ml; calculate the cardiac output: OA) 8,000 ml B) 1,200 ml O. C) 3,200 ml OD) 4,000 ml O E) 6,000 mlarrow_forward(a) Mention any two components of blood. (b) Trace the movement of oxygenated blood in the body. (c) Write the function of valves present in between atria and ventricles. (d) Write one structural difference between the composition of artery and veins.arrow_forward(a) What are the primary forces that cause fluid to move out of a capillary and into the interstitial fluid at its arterial end? (b) What are the primary forces that cause fluid to move into a capillary from the interstitial fluid at its venous end?arrow_forward
- Mean arterial pressure is determined by (A) adding the systolic pressure to diastolic pressure and dividing by two (B) subtracting diastolic pressure from systolic pressure and multiplying by two (C) adding 1/3 of the pulse pressure to diastolic pressure (D) adding 1/3 of pulse pressure to systolic pressure (E) adding systolic and diastolic pressure together / dividing by two / adding 1/3 of the pulse pressurearrow_forwardIdentify the correct order of the blood flow pathway? (A) the pulmonary arteries carry oxygenated blood away from the pulmonary trunk (B) the left ventricle pushes blood through the aortic valve (C) the tricuspid valve takes blood from the left atrium to the left ventricle (D)superior vena cava, opening of coronary sinus, and inferior vena cava take blood to the left atriumarrow_forwardBlood flow through the capillaries is steady despite the rhythmic pumping action of the heart because of the (a) elasticity of the large arteries only, (b) elasticity of all the arteries, (c) ligamentum arteriosum, (d) venous valves.arrow_forward
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