CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
10th Edition
ISBN: 9780136538820
Author: Taylor
Publisher: INTER PEAR
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Chapter 23, Problem 10TYK
Summary Introduction
Introduction:
The blood is transported to the vessels in the arteries, veins, and capillaries. The network of capillaries supplies the blood to various organs. If the blood is supplied to the capillaries at one time, then it would cause a sudden decrease in the pressure due to the forceful movement of the blood in the capillaries. It occurs due to the dilation of the walls of the capillaries, thereby causing a decrease in the blood pressure.
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Which of the choices below best describes the systemic circulation of blood?a. The flow of blood into the right atrium and eventually out of the left ventricle.b. The movement of blood from the pulmonary trunk, through capillaries into the pulmonary veins.c. The movement of blood into the coronary arteries, through capillaries into the coronary sinus.d. The movement of blood from the aorta, through arteries and capillaries and then eventually to the vena cavae.
Which of the following statements is false?a. Only arteries carry oxygenated blood.b. Both arteries and veins have a layer of smooth muscle.c. Capillary beds lie between arteries and veins.d. Sphincters regulate the flow of blood through capillaries.
Which of the following statements is correct?
a. Arteries carry blood away from the heart and veins carry blood to the heart.
b. Arteries carry blood to the heart and veins carry blood away from the heart.
C. All arteries carry oxygen-rich blood and veins carry oxygen-poor blood.
d. Arteries carry oxygen-poor blood and veins carry oxygen-rich blood.
Chapter 23 Solutions
CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
Ch. 23 - Connecting the Concepts 1. Use the following...Ch. 23 - Prob. 2TYKCh. 23 - When the doctor listened to Janets heart, he heard...Ch. 23 - Prob. 4TYKCh. 23 - Prob. 5TYKCh. 23 - Prob. 6TYKCh. 23 - Blood flows more slowly in the arterioles than in...Ch. 23 - Which of the following is not a true statement...Ch. 23 - Trace the path of blood starting in a pulmonary...Ch. 23 - Prob. 10TYK
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- If a patient has cirrhosis of the liver and is unable to produce sufficient albumin and other plasma proteins, then what variable is changed in capillary exchange, and what is the effect? a. There is no change in the capillary exchange process. b. Hydrostatic pressure in the blood decreases, and fluid remains in the blood. c. Colloid osmotic pressure in the capillary increases, and blood volume increases in the blood vessels. d. Colloid osmotic pressure in the capillary decreases, and fluid remains in the interstitial fluid, potentially causing edema.arrow_forwardWhich of the following is not a characteristic of a capillary? a. Fenestrated capillaries allow for larger amounts of materials to be exchanged. b. Sinusoid capillaries are the main type of capillary around the brain. c. Capillaries often are arranged in a capillary bed that is supplied by an arteriole. d. The capillary wall consists of an endothelium and a basement membrane only—there is no subendothelial layer.arrow_forwardWhich of the following is true when comparing arteries and veins? A Arteries are less muscular than veins. B Arteries have valves; veins do not. C "At any given time, there is more blood present in arteries than in veins." D Arteries carry blood away from the heart; veins carry blood to the heart.arrow_forward
- When comparing veins and arteries of the same diameter, which of the following statements is not true? Select one: a. Veins have fewer smooth muscle fibers. b. Veins have a larger lumen. c. Veins have more elastic tissue. d. Veins have valves. e. Veins have thinner walls.arrow_forwardWhich of the following statements about the circulatory system is false? A. Blood in the aorta is oxygenated. B. Blood in the pulmonary artery is deoxygenated. C. Blood in the inferior vena cava is deoxygenated. D. Blood in the pulmonary vein is deoxygenated.arrow_forwardWhich of the following characteristics is unique to capillaries and not to other blood vessels? A. have low blood pressure B. have high blood pressure C. exchange substances (ions, small molecules and water) between blood and tissues D. carry oxygen and carbon dioxide E. connect to the heart and lungsarrow_forward
- The diameter of veins is typically larger than that of arteries,becausea. veins must carry blood at a higher pressure than arteries.b. veins carry more blood than arteries do.c. veins have fewer muscles to constrain their diameter.d. larger diameter vessels have reduced resistance to flow.arrow_forwardWhich of the following best describes the primary role of resistance vessels? Group of answer choices a.Providing nutrient supply to the walls of larger vessels b. They regulate arterial blood pressure and blood flow within the organs. c. Ensuring blood storage during periods of low cardiac output d. Directing blood flow to specific organs based on demandarrow_forwardWhen a person engages in strenuous, prolonged exercise, a. blood flow to the kidneys is reduced.b. cardiac output is reduced.c. total peripheral resistance increases.d. systolic arterial blood pressure is reduced.e. blood flow to the brain is reduced.arrow_forward
- A major difference between arteries and veins is thata. arteries always carry oxygenated blood; veins never do.b. arteries carry blood away from the heart; veins return blood.c. only arteries have valves.d. veins feed blood into capillaries.arrow_forwardWhich of the following is NOT involved in short-term regulation of blood pressure? Select one: a. Alteration in blood volume b. Baroreceptor reflex c. Chemoreceptor mechanism d. Adrenal medullary mechanismarrow_forwardIt is generally accepted that a relatively low diastolic vascular pressure is more important than a relatively low systolic vascular pressure because: A. diastolic vascular pressure is the pressure that determines the length of diastole. B. diastolic vascular pressure directly determines stroke volume. C. diastolic vascular pressure ultimately determines and controls contractility. D. diastolic vascular pressure is a force the heart must compete with to open the aortic valve.arrow_forward
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