Homework Answers
Answer: Vascular smooth muscle refers to the particular type of smooth muscle found composing the majority of the wall of blood vessels.
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Which one of the following statements is true? A. All veins in the body contain partly...
Which one of the following statements is true? A. All veins in the body contain partly...
Which one of the following statements is true? A. All veins in the body contain partly deoxygenated blood. B. Atrial systole and ventricular systole occur simultaneously. C. All types of blood vessels contain at least some smooth muscle in their walls. D. During ventricular diastole, blood pressure in the aorta is lower than blood pressure in the left ventricle. E. None of the above statements is true.
The Heart 185 oventricular valve on the same side of the heart as the origin of...
The Heart 185 oventricular valve on the same side of the heart as the origin of the aorta is the a. aortic semilunar. c. mitral. b. tricuspid. d. pulmonary semilunar. 10. During atrial systole, all the following occur except a. deoxygenated blood passes into the right ventricle. b. oxygenated blood passes into the left ventricle. c. the ventricles are in diastole. d. the semilunar valves are open. 11. A major difference between atria and ventricles of the heart is that...
1. True -False. If a statement is True, place a T to the left of it....
1. True -False. If a statement is True, place a T to the left of it. If a statement is False, place an F to the left of it. Thin filaments in smooth muscles attach to Z discs. The majority of ventricular filling occurs during the period of atrial contraction known as the period of rapid filling. Closure of the atrioventricular valves occurs at the end of diastole/beginning of systole. Tetanus in skeletal muscles is the result of increasing the...
TRUE / FALSE QUESTIONS: Mark "A" for statements that are entirely TRUE and "B" for statements...
TRUE / FALSE QUESTIONS: Mark "A" for statements that are entirely TRUE and "B" for statements that are either entirely or partly FALSE 119. The major muscle of respiration in humans is the diaphragm. It is smooth muscle, which is under involuntary control. 120. Blood pressure and breathing rate are regulated with negative feedback. 121. The kidney reabsorbs needed materials like nutrients and secretes wastes. 122. Materials that are reabsorbed by the nephron go back into the blood. 123. The...
Please help, there's more questions than my limit. _____________ refers to a sudden, dramatic drop in...
Please help, there's more questions than my limit. _____________ refers to a sudden, dramatic drop in BP upon standing or sitting up straight. Primary hypertension d. Anaphylaxis Secondary hypertension e. Phlebitis Orthostatic hypotension Most of the smooth muscle in arteries is located in the ___________. tunica intima b. adventitia c. tunica externa d. lumen e. tunica media Decrease in the size of the lumen of a blood vessel by contraction of smooth muscle is called ________. Vasodilation ...
Why do we need the "skeletal muscle pump" to help get blood back to the heart?...
Why do we need the "skeletal muscle pump" to help get blood back to the heart? The large aggregate surface area of the capillaries dissipates the blood pressure. OA OB. The small aggregate surface area of the capillaries dissipates the blood pressure. C. Veins have thin, narrow walls and can't stand high blood pressures. OD. We need an extra boost to get blood past the valves in the veins. OE We need an extra boost to get blood past the...
20 21 23 24 25 The _(8)_circulation provides blood flow to the (20) During ventricular systole,...
20 21 23 24 25 The _(8)_circulation provides blood flow to the (20) During ventricular systole, blood is ejected into the aorta and_(71 trunk. At the base of the aorta are a pair of coronary_(9) sinuses. As blood is ejected into the aorta, (21)_fibers in the wall of the vessel distend, allowing the vessel to accomodate the sudden surge in blood. As the fibers in the wall of the aorta recoil, (termed elastic _(11)J, the force generated helps to propel...
questions number 1,2,3,4,5,6,7,8,9,10,11 Chapter 22: The Cardiovascular System: Vessels and Circulation Name: Date: Section: POST-LABORATORY WORKSHEET...
questions number 1,2,3,4,5,6,7,8,9,10,11
Chapter 22: The Cardiovascular System: Vessels and Circulation Name: Date: Section: POST-LABORATORY WORKSHEET The 1 corresponds to the Learning Objectivels) listed in the chapter opener outline, Do You Know the Basics? Exercise 22.1: Blood Vessel Wall Structure 1. The tunic in blood vessels that is composed of simple squamous epithelium for endothelium) and a subendothelial layer composed of areolar com tissue is known as the tunica _linterna/externa). O 2 Exercise 22.2: Elastic Artery -The Aorta 2. Which...
18. Which of the following do not aid venous blood return to the heart. A. muscle...
18. Which of the following do not aid venous blood return to the heart. A. muscle contraction (muscle milking) B. breathing (changes in thoracic cavity pressure) C. dilated arteries D. thinner walls of veins E. one way valves found in veins. For questions 19 - 29 use the following key to match the statements given. Key choices may be used once, more than once, or not at all. Key: A. Moderate to very low oxygenated blood B. High Oxygenated blood...
Complete the following statements regarding the functions of the cardiovascular system. Not all choices will be used.
Complete the following statements regarding the functions of the cardiovascular system. Not all choices will be used. The cardiovascular system performs four main functions: first, _ of the muscles of the heart generate blood pressure, which moves blood through the blood vessels. Second, the blood vessels transport blood from the heart into arteries, capillaries, and veins. Then, blood returns to the heart to complete the Third, gas occurs in the capillaries, where oxygen is dropped off for the cells, and CO and wastes...
Which one of the following statements is true? A. All veins in the body contain partly deoxygenated blood. B. Atrial systole and ventricular systole occur simultaneously. C. All types of blood vessels contain at least some smooth muscle in their walls. D. During ventricular diastole, blood pressure in the aorta is lower than blood pressure in the left ventricle. E. None of the above statements is true.
The Heart 185 oventricular valve on the same side of the heart as the origin of the aorta is the a. aortic semilunar. c. mitral. b. tricuspid. d. pulmonary semilunar. 10. During atrial systole, all the following occur except a. deoxygenated blood passes into the right ventricle. b. oxygenated blood passes into the left ventricle. c. the ventricles are in diastole. d. the semilunar valves are open. 11. A major difference between atria and ventricles of the heart is that...
TRUE / FALSE QUESTIONS: Mark "A" for statements that are entirely TRUE and "B" for statements that are either entirely or partly FALSE 119. The major muscle of respiration in humans is the diaphragm. It is smooth muscle, which is under involuntary control. 120. Blood pressure and breathing rate are regulated with negative feedback. 121. The kidney reabsorbs needed materials like nutrients and secretes wastes. 122. Materials that are reabsorbed by the nephron go back into the blood. 123. The...
Why do we need the "skeletal muscle pump" to help get blood back to the heart? The large aggregate surface area of the capillaries dissipates the blood pressure. OA OB. The small aggregate surface area of the capillaries dissipates the blood pressure. C. Veins have thin, narrow walls and can't stand high blood pressures. OD. We need an extra boost to get blood past the valves in the veins. OE We need an extra boost to get blood past the...
20 21 23 24 25 The _(8)_circulation provides blood flow to the (20) During ventricular systole, blood is ejected into the aorta and_(71 trunk. At the base of the aorta are a pair of coronary_(9) sinuses. As blood is ejected into the aorta, (21)_fibers in the wall of the vessel distend, allowing the vessel to accomodate the sudden surge in blood. As the fibers in the wall of the aorta recoil, (termed elastic _(11)J, the force generated helps to propel...
questions number 1,2,3,4,5,6,7,8,9,10,11
Chapter 22: The Cardiovascular System: Vessels and Circulation Name: Date: Section: POST-LABORATORY WORKSHEET The 1 corresponds to the Learning Objectivels) listed in the chapter opener outline, Do You Know the Basics? Exercise 22.1: Blood Vessel Wall Structure 1. The tunic in blood vessels that is composed of simple squamous epithelium for endothelium) and a subendothelial layer composed of areolar com tissue is known as the tunica _linterna/externa). O 2 Exercise 22.2: Elastic Artery -The Aorta 2. Which...
18. Which of the following do not aid venous blood return to the heart. A. muscle contraction (muscle milking) B. breathing (changes in thoracic cavity pressure) C. dilated arteries D. thinner walls of veins E. one way valves found in veins. For questions 19 - 29 use the following key to match the statements given. Key choices may be used once, more than once, or not at all. Key: A. Moderate to very low oxygenated blood B. High Oxygenated blood...
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