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| 1 | |
Which of the following statements about gastrovascular cavities is correct? |
| | A) | In animals with gastrovascular cavities, the surrounding water functions as the circulatory system. |
| | B) | Digested food cannot reach all the body's cells because water only circulates through the entire cavity. |
| | C) | Gastrovascular cavities are common in most forms of marine animals. |
| | D) | The gastrovascular cavity has a more than one opening to the outside. |
| | E) | All of the statements about gastrovascular cavities are correct. |
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| 2 | |
Which of the following components is required in order to be referred to as a true circulatory system? |
| | A) | blood or hemolymph |
| | B) | blood vessels |
| | C) | one or more hearts |
| | D) | Blood or hemolymph and one or more hearts |
| | E) | Blood or hemolymph, blood vessels, and one or more hearts |
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| 3 | |
Which of the following animals does not have a closed circulatory system? |
| | A) | Vertebrates |
| | B) | Cephalopods |
| | C) | Earthworms |
| | D) | Arthropods |
| | E) | All of these animals have closed circulatory systems. |
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| 4 | |
Which of the following statements about blood pressure is correct? |
| | A) | Blood flow is directly proportional to pressure and resistance. |
| | B) | Blood pressure is the same in all areas of an animal's body. |
| | C) | The primary contribution to overall resistance to blood flow is arteriole radius. |
| | D) | A low hematocrit reduces overall blood flow. |
| | E) | All of the statements about blood pressure are correct. |
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| 5 | |
Which of the following is not an adaptive function to exercise in a closed circulatory system? |
| | A) | Increase in stroke volume |
| | B) | Vasodilation |
| | C) | Increase in epinephrine to increase heart rate |
| | D) | Increase in blood pressure |
| | E) | Decrease in resistance in skeletal muscle blood vessels |
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| 6 | |
True or False: Cardiovascular disease accounts for more deaths each year in the United States than any other cause. |
| | A) | True |
| | B) | False |
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| 7 | |
The filling chamber of a heart is most accurately referred to as a(n) |
| | A) | ventricle. |
| | B) | artery. |
| | C) | vein. |
| | D) | atrium. |
| | E) | ostium. |
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| 8 | |
True or False: In mammalian double circulation, oxygen-poor blood is pumped under low pressure to the lungs. |
| | A) | True |
| | B) | False |
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| 9 | |
Which one of the following is not a typical component of mammalian blood? |
| | A) | Platelets |
| | B) | Thrombocytes |
| | C) | Leukocytes |
| | D) | Plasma |
| | E) | Erythrocytes |
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| 10 | |
A condition of lower than normal levels of clotting factors is most accurately referred to as |
| | A) | bacteremia. |
| | B) | anemia. |
| | C) | hemophilia. |
| | D) | polycythemia. |
| | E) | leukemia. |
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| 11 | |
From the lungs, list in order the circulation of blood through the heart.
I pulmonary vein
II: right ventricle
III left ventricle
IV right atrium
V left atrium
VI aorta
VII pulmonary artery
VIII systemic vein |
| | A) | I, II, III, IV, V, VI, VII, VIII |
| | B) | I, III, IV, IV, II, VI, VII |
| | C) | I, V, III, VI, VIII, IV, II, VII |
| | D) | I, VII, IV, V, VIII, VI, II, III |
| | E) | I, V, III, VI, II, IV, VIII, VII |
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| 12 | |
A semilunar valve in a mammalian heart would allow passage of blood into which of the following compartments? |
| | A) | Right or left atrium |
| | B) | Right or left ventricle |
| | C) | Systemic arteries |
| | D) | Right or left atrium and right or left ventricle |
| | E) | Right or left atrium, right or left ventricle, and systemic arteries |
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| 13 | |
True or False: When the heart contraction is initiated from within the cardiac muscle itself, this is most accurately referred to as a neurogenic heart. |
| | A) | True |
| | B) | False |
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| 14 | |
The pacemaker of a vertebrate heart is most accurately referred to as the |
| | A) | sinoatrial node. |
| | B) | atrioventricular node. |
| | C) | atrioventricular valve. |
| | D) | pulmonary valve. |
| | E) | semilunar valve. |
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| 15 | |
Which of the following regarding the two phases of the cardiac cycle is incorrect? |
| | A) | Ventricle pressure is lower than in the atria during diastole |
| | B) | Atria pressure is lower than ventricle pressure during systole |
| | C) | AV valves are closed during diastole |
| | D) | Semilunar valves are open during systole |
| | E) | Arterial pressure increases during systole |
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| 16 | |
Which of the following would have the thinnest overall vessel diameter? |
| | A) | Arteriole |
| | B) | Vein |
| | C) | Capillary |
| | D) | Venule |
| | E) | Artery |
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| 17 | |
Which one of the following statements about blood vessels is correct? |
| | A) | Essentially every cell in an animal's body is near an arteriole. |
| | B) | Fluid lost from and returned to the circulatory system is collected in the endocrine system. |
| | C) | The internal diameter of a venule is approximately equal to the width of a red blood cell. |
| | D) | The single celled inner layer of a blood vessel is referred to as the endothelium. |
| | E) | All of the statements about blood vessels are correct. |
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| 18 | |
True or False: All veins of a biped's body have small valves in them that prevent the lower-pressure blood flow moving in one direction only. |
| | A) | True |
| | B) | False |
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| 19 | |
Leaving the heart, list the blood vessels in order through which blood would travel.
I: Arteries
II: Veins
III: Capillaries
IV: Venules
V: Arterioles |
| | A) | II: I: III: IV: V |
| | B) | I: V: III: IV: II |
| | C) | II: IV: III: V: I |
| | D) | I: V: IV: III: V |
| | E) | II: III: I: V: IV |
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| 20 | |
When a thin tube is inserted into an artery to widen the lumen, this procedure is most accurately referred to as a(n) |
| | A) | coronary bypass. |
| | B) | angioplasty. |
| | C) | angiography. |
| | D) | infarction. |
| | E) | angina. |
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