Anatomy and Physiology by OpenStax
17th Edition
ISBN: 9781506698021
Author: J. Gordon Betts;Dean H. Kruse;Kelly A. Young;Peter DeSaix;Brandon Poe;Oksana Korol;James A. Wise;Eddie Johnson;Jody E. Johnson;Mark Womble
Publisher: XANEDU PUBLISHING
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Textbook Question
Chapter 20, Problem 13RQ
Hydrostatic pressure is ________.
- greater than colloid osmotic pressure at the venous end of the capillary bed
- the pressure exerted by fluid in an enclosed space
- about zero at the midpoint of a capillary bed
- all of the above
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Capillary ExchangeBlood flowing through a capillary bed experiences the following pressures:- Blood pressure in the capillary is 45 at the arterial end of the capillary- Blood pressure in the capillary is 15 at the venous end of the capillary- Blood osmotic pressure is 27mm at both the arterial and venous ends of the capillaryDoes water leave the capillary or enter the capillary at the arteriole end? Explain why in terms of blood pressure and osmotic pressure.Does water leave the capillary or enter the capillary at the venous end? Explain why in terms of blood pressure and osmotic pressure.
Chapter 20 Solutions
Anatomy and Physiology by OpenStax
Ch. 20 - Watch this video...Ch. 20 - Listen to this CDC podcast...Ch. 20 - The endothelium is found in the ________. tunica...Ch. 20 - Nervi vasorum control ________. vasoconstriction...Ch. 20 - Closer to the heart, arteries would be expected to...Ch. 20 - Which of the following best describes veins? thick...Ch. 20 - An especially leaky type of capillary found in the...Ch. 20 - In a blood pressure measurement of 110/70, the...Ch. 20 - A healthy elastic artery ________. is compliant...Ch. 20 - Which of the following statements is true? The...
Ch. 20 - Slight vasodilation in an arteriole prompts a...Ch. 20 - Venoconstriction increases which of the following?...Ch. 20 - Hydrostatic pressure is ________. greater than...Ch. 20 - Net filtration pressure is calculated by ________....Ch. 20 - Which of the following statements is true? In one...Ch. 20 - Clusters of neurons in the medulla oblongata that...Ch. 20 - In the renin-angiotensin-aldosterone mechanism,...Ch. 20 - In the myogenic response, ________. muscle...Ch. 20 - A form of circulatory shock common in young...Ch. 20 - The coronary arteries branch off of the ________....Ch. 20 - Which of the following statements is true? The...Ch. 20 - Arteries serving the stomach, pancreas, and liver...Ch. 20 - The right and left brachiocephalic veins ________....Ch. 20 - The hepatic portal system delivers blood from the...Ch. 20 - Blood islands are ________. clusters of...Ch. 20 - Which of the following statements is true? Two...Ch. 20 - The ductus venosus is a shunt that allows...Ch. 20 - Arterioles are often referred to as resistance...Ch. 20 - Cocaine use causes vasoconstriction. Is this...Ch. 20 - A blood vessel with a few smooth muscle fibers and...Ch. 20 - You measure a patients blood pressure at 130/85....Ch. 20 - An obese patient comes to the clinic complaining...Ch. 20 - A patient arrives at the emergency department with...Ch. 20 - True or false? The plasma proteins suspended in...Ch. 20 - A patient arrives in the emergency department with...Ch. 20 - Nitric oxide is broken down very quickly after its...Ch. 20 - Identify the ventricle of the heart that pumps...Ch. 20 - What organs do the gonadal veins drain?Ch. 20 - What arteries play the leading roles in supplying...Ch. 20 - All tissues, including malignant tumors, need a...Ch. 20 - Explain the location and importance of the ductus...
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- The abnormal narrowing of a blood vessel is ____________________.arrow_forwardFigure 40.11 Which of the following statements about the heart is false? The mitral valve separates the left ventricle from the left atrium. Blood travels through the bicuspid valve to the left atrium. Both the aortic and the pulmonary valves are semilunar valves. The mitral valve is an atrioventricular valve.arrow_forwardClusters of neurons in the medulla oblongata that regulate blood pressure are known collectively as ________. baroreceptors angioreceptors the cardiomotor mechanism the cardiovascular centerarrow_forward
- Lower-than-normal blood pressure is called _______________________.arrow_forwardRelationship between pressure, volume and ECG Pressure (mmHg) Volume (mL) ECG 120 40 0- 130 90 + + 50+ IVC Aortic valve opens Mitral valve closes Systole ejection EDV Ejection Contraction IVR Aortic valve closes Diastole filling Mitral valve opens Filling --ESV Relaxation Filling Aortic pressure Left ventricular pressure Left atrial pressure Left ventricular volume What happens during the filling phase of the cardiac cycle? What is the outflow phase of the cardiac cycle and how long does it last? What happens during the iso-volumetric contraction phase of the cardiac cycle?arrow_forwardPlace in correct order the blood vessel type a blood cell passes through as it travels from the left ventricle and back to the right Atria. You should use the terms, arteriole, venule, capillary bed, muscular artery, elastic artery, veinarrow_forward
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- Sinusoid capillaries are found in all of the following areas of the body except carrying blood through the: skeletal muscles bone marrow liver O spleenarrow_forwardThis is a blood flow diagram.arrow_forwardThe blood pressure gradient from the aorta to the capillaries is less than the blood pressure gradient from the arterial end of the capillary to the venous end of the capillary. True or Falsearrow_forward
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