Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 7, Problem 7SQ
Summary Introduction
Introduction: The cardiovascular system, which is also known as circulatory system, allows the 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, namely the heart and the blood vessels. The three types of the blood vessels are arteries, veins, and capillaries.
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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.
Select the correct one, Which of the following would not increase Cardiac Output?
A. increase blood epinephrine concentration
B. Increase Atrial Preload
C. Increase Cardiac sarcoplasmic calcium concentration
D. Increase Arterial Afterloada
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.
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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- Blood flows directly from the left atrium to_____ . a. the aorta c. the right atrium b. the left ventricle d. the pulmonary arteriesarrow_forwardWhich statement is true? a. Veins have more muscle and elastic fibers than arteries b. Arteries have more muscle and elastic fibers than veins c. Veins carry blood away from the heart d. Arteries carry blood to the heartarrow_forwardWhich of the following statements regarding blood pressure is NOT true? a.)Blood pressure is constant throughout the body b.)Exerted by the blood against the walls of the blood vessels c.)Controlled by homeostatic mechanism d.)Keeps the blood flowing through all the blood vessels so that cells receive oxygen and nutrientsarrow_forward
- erythropoietin release in the body happens when an individual is at high altitude. It results in a. Changes in fluid balance b. An increased RBC count c. Increased tidal volume d. increased cardiac outputarrow_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_forwardWhen it comes to arteries and veins, do veins have? a) a tunica media that is missing in arteries b) thicker walls than arteries c) more smooth muscles than arteries d) valves, this is lacking in arteriesarrow_forward
- The left ventricular wall of the heart is thicker than the right wall in order to ________. A accommodate a greater volume of blood B expand the thoracic cage during diastole C pump blood with greater pressure D pump blood through a smaller valvearrow_forwardWhich 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.arrow_forwardAnemia is most likely to result from failure of which of these organs? a. the heart b. the lungs c. the pituitary gland d. the kidneys e. the spleenarrow_forward
- The most common disorder affecting the heart and blood vessels is ? A. arrhythmia B. Hypertension C.Aneurysm D. infarctionarrow_forwardWhy is blood pressure high just after waking up? a. due to normal body circadian rhythm b. body releases hormones in the morning such as adrenaline and noradrenaline which boosts of energy but raises blood pressure c. both a and b are correct d. none of these choices are correctarrow_forwardThere is reduced blood flow to tissues and organs in cardiogenic shock. What is the main cause of this reduced blood flow? Question 4 options: a) A decrease in systemic vascular resistance b) A reduction in preload c) A reduction in cardiac output d) The loss of sympathetic tonearrow_forward
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