Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 7, Problem 3SQ
Summary Introduction
Introduction: The cardiovascular system which is also known as circulatory system allows blood to flow throughout the body and transports nutrients, gases and other important enzymes in and out of the cells. The cardiovascular system is composed of two components: heart and the blood vessels.
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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.
Which is not true about our heart
A. ventricular systole squeezes blood to the lungs and the body
B. Both ventricles hold the same volume of blood
C. The pacemaker is in the right atrium
D. blood from the left lung goes to the left atrium and blood from the right lung goes to the right atrium
The "pump" or "pressure-head" for the pulmonary circulation is the:
A. right atrium
B. right ventricle
C. left atrium
D. left ventricle
Chapter 7 Solutions
Human Biology (MindTap Course List)
Ch. 7 - List the functions of the cardiovascular system.Ch. 7 - Define a heartbeat, giving the sequence of events...Ch. 7 - What is the difference between the systemic and...Ch. 7 - Prob. 4RQCh. 7 - Prob. 5RQCh. 7 - State the main functions of venules and veins....Ch. 7 - Label the hearts main parts in the diagram below.Ch. 7 - Cells obtain nutrients from and deposit waste into...Ch. 7 - The contraction phase of the heartbeat is ______;...Ch. 7 - Prob. 3SQ
Ch. 7 - In the systemic circuit, the hearts _______ half...Ch. 7 - After you eat, blood passing through the GI tract...Ch. 7 - Prob. 6SQCh. 7 - Prob. 7SQCh. 7 - Prob. 8SQCh. 7 - _____ contraction drives blood through the...Ch. 7 - Match the type of blood vessel with its major...Ch. 7 - Prob. 11SQCh. 7 - A patient suffering from hypertension may receive...Ch. 7 - Heavy smokers often develop abnormally high blood...Ch. 7 - Prob. 3CTCh. 7 - Several years ago the deaths of several airline...
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- A pulmonary _______ carries oxygen-poor blood. a. artery b. veinsarrow_forwardThe respiratory system_______. a. provides body tissues with oxygen b. provides body tissues with oxygen and carbon dioxide c. establishes how many breaths are taken per minute d. provides the body with carbon dioxidearrow_forwardAs bicarbonate ions attach to erythrocytes, the balance between positively and negatively charged ions is disturbed, causing the chloride shift. As the bicarbonate ions leave the erythrocyte, there is a decrease in the negative charge, which is relieved by the diffusion of Cl- into the erythrocytes. a. Both statements are correct b. Both statements are incorrect c. First is correct; Second is incorrect d. First is incorrect; Second in correctarrow_forward
- receives oxygen-depleted blood and empties it into the whereas oxygenated blood from the lungs enters the 1. The and empties into the a. Right atrium, right ventricle, left atrium, left ventricle b. Left atrium, left ventricle, right atrium, right ventricle c. Left ventricle, left atrium, right ventricle, right atrium d. Right ventricle, right atrium, left ventricle, left atriumarrow_forwardThe production of healthy erythrocytes depends upon the availability of ________.a. copperb. zincc. vitamin B12d. copper, zinc, and vitamin B12arrow_forwardThis diagram shows a _______ and the green things being released into the space are _____. A. cardiac pace maker cell; calcium B. sarcoplasmic reticulum; calcium C. synapse; Sodium ions D. neuromuscular junction; neurotransmittersarrow_forward
- why is the 4 chamber heart of human more effcient than the 2 chamber heart of a fish a. in a 2 chamber heart very little pressure is fromed in the ventricle b. in a 4 chamber heart blood is fully oxygented before it is pumped thoughtout body c. in a 3 chamber heart the artium is less effecient at receviewing the incoming oxygen blood d. in a 4 chamber heart fully oxygented blood in a pumped out to the lungs and its pumping again out to the body . when you taking blood pressure one collapase the branchial artery and the reduce pressure in the cuff . As blood to flow again one writers down that pressure which represent a. systolic pressure b. aortic pressure c. disatolic pressure d. vavle pressure cardic output depend on what two factor a. stroke volume and stroke power b. cardiac rate and cardic rhythm c, cardiac rate and stroke voulme d. blood density blood volumearrow_forwardIf partial pressure of oxygen were about 35 MMHG and the capillaries then a. the cells would not need extra oxygen b. CO2 pressure would be very low in the cells c. it would not be able to diffuse into the tissue cells d. it would easily travel and capillaries and if used to the needy cellsarrow_forwardWhich of the following is incorrect about pulmonary circulation? A. Pulmonary perfusion can increase during exercise with increasing the workload of right ventri. B.High distensiblity of pulmonary capillaries allow increase blood flow C. Pulmonary circulation operates at a low pressure of 15mm Hg on average D. None of the above is Incorrect ..arrow_forward
- Sequence of Events Pulmonary Circulation Blood follows a specific route as it circulates through the lungs. Identify this path by placing the numbers 1 through 10 in the spaces provided. (Hint: Begin with the right ventricle.) A. Left atrium B. Venules C. Arterioles D. Lobar arteries in the lungs E. Pulmonary vein F. Veins G. Right ventricle H. Pulmonary arteries I. Lung capillariesarrow_forwardWhich condition is the most common cause aging changes of the blood vessels? A. Arteriosclerosis B. Varicose veins C. Phlebitis D. All of the selection are causes Pathway of blood circulation in adult. A. Superior vena cava → right atrium → tricuspid valve à right ventricle B. Pulmonary vein → left atrium → mitral valve → left ventricle C. Left ventricle → aortic valve → ascending aorta → brachiocephalic D. Right ventricle → pulmonary valve → pulmonary trunk → pulmonary artery E. All pathways are correct.arrow_forwardHow do the lungs and the heart work together? The lungs supply the oxygen through theblood that passes to the heart while the heart pumps ___________.A. deoxygenated blood throughout the bodyB. deoxygenated blood towards the lungs for oxygenationC. oxygenated blood throughout the bodyD. oxygenated blood throughout the body and pumps back deoxygenatedblood towards the lungs for oxygenationarrow_forward
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