1. Chapter 13: The Cardiovascular System: Blood Vessels and Circulation
Blood Vessel Types
Blood Flow
Control Mechanisms
Stress/ Pulmonary and Systemic Circuits
Fetal Circulation/ Aging/ Interactions
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FINAL ROUND

2. Blood Vessel Types: $100 Question
Which blood vessels permit exchange between the blood and surrounding interstitial fluid?
venules
capillaries
lymphatic vessels
arterioles
Answer: B
ANSWER
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3. Blood Vessel Types: $100 Answer
Which blood vessels permit exchange between the blood and surrounding interstitial fluid?
venules
capillaries
lymphatic vessels
arterioles
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4. Blood Vessel Types: $200 Question
The venae cavae and their tributaries in the abdominopelvic cavities are examples of
capillary beds.
medium-sized veins.
venules.
large veins.
Answer: D
ANSWER
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5. Blood Vessel Types: $200 Answer
The venae cavae and their tributaries in the abdominopelvic cavities are examples of
capillary beds.
medium-sized veins.
venules.
large veins.
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6. Blood Vessel Types: $300 Question
Which vessel wall layer forms a sheath of connective tissue and has collagen fibers that may intertwine with those of adjacent tissues?
tunica externa
tunica interna
tunica intima
tunica media
Answer: A
ANSWER
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7. Blood Vessel Types: $300 Answer
Which vessel wall layer forms a sheath of connective tissue and has collagen fibers that may intertwine with those of adjacent tissues?
tunica externa
tunica interna
tunica intima
tunica media
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8. Blood Vessel Types: $400 Question
Which vessels are known as "distribution arteries"?
elastic arteries
capillaries
muscular arteries
arterioles
Answer: C
ANSWER
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9. Blood Vessel Types: $400 Answer
Which vessels are known as "distribution arteries"?
elastic arteries
capillaries
muscular arteries
arterioles
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10. Blood Vessel Types: $500 Question
The average diameter of a capillary is
40 nm.
3 mm.
8 µm.
200 µm.
Answer: C
ANSWER
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11. Blood Vessel Types: $500 Answer
The average diameter of a capillary is
40 nm.
3 mm.
8 µm.
200 µm.
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12. Valves are found in which vessel type? capillaries arterioles
Blood Flow: $100 Question
Valves are found in which vessel type?
capillaries
arterioles
muscular arteries
medium-sized veins
Answer: D
ANSWER
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13. Valves are found in which vessel type? capillaries arterioles
Blood Flow: $100 Answer
Valves are found in which vessel type?
capillaries
arterioles
muscular arteries
medium-sized veins
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14. Blood Flow: $200 Question
What is the pulse pressure in a patient with a blood pressure of 130/85?
130 mm Hg
100 mm Hg
85 mm Hg
45 mm Hg
Answer: D
ANSWER
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15. Blood Flow: $200 Answer
What is the pulse pressure in a patient with a blood pressure of 130/85?
130 mm Hg
100 mm Hg
85 mm Hg
45 mm Hg
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16. Blood Flow: $300 Question
What is the driving force pressure pushing blood through the venous system?
65 mm Hg
100 mm Hg
16 mm Hg
2 mm Hg
Answer: C
ANSWER
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17. Blood Flow: $300 Answer
What is the driving force pressure pushing blood through the venous system?
65 mm Hg
100 mm Hg
16 mm Hg
2 mm Hg
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18. Fluid is forced out of the capillary.
Blood Flow: $400 Question
Regarding forces acting on capillary walls, what occurs when blood osmotic pressure (BOP) is greater than capillary hydrostatic pressure (CHP)?
Fluid is forced out of the capillary.
There is no net movement of fluid.
Blood loses its oxygen load.
Fluid moves into the capillary.
Answer: D
ANSWER
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19. Fluid is forced out of the capillary.
Blood Flow: $400 Answer
Regarding forces acting on capillary walls, what occurs when blood osmotic pressure (BOP) is greater than capillary hydrostatic pressure (CHP)?
Fluid is forced out of the capillary.
There is no net movement of fluid.
Blood loses its oxygen load.
Fluid moves into the capillary.
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20. Which of the following statements is correct regarding blood flow?
Blood Flow: $500 Question
Which of the following statements is correct regarding blood flow?
The flow rate is directly proportional to the pressure difference.
The flow rate equals the pressure difference.
The flow rate is indirectly proportional to the pressure difference.
The greater the difference in pressure, the slower the flow.
Answer: A
ANSWER
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21. Which of the following statements is correct regarding blood flow?
Blood Flow: $500 Answer
Which of the following statements is correct regarding blood flow?
The flow rate is directly proportional to the pressure difference.
The flow rate equals the pressure difference.
The flow rate is indirectly proportional to the pressure difference.
The greater the difference in pressure, the slower the flow.
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22. Control Mechanisms: $100 Question
Which mechanism(s) of cardiovascular regulation direct(s) long-term changes in cardiovascular performance?
exocrine mechanisms
autoregulation
endocrine mechanisms
neural mechanisms
Answer: C
ANSWER
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23. Control Mechanisms: $100 Answer
Which mechanism(s) of cardiovascular regulation direct(s) long-term changes in cardiovascular performance?
exocrine mechanisms
autoregulation
endocrine mechanisms
neural mechanisms
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24. Control Mechanisms: $200 Question
Which of the following is a short-term response involved in cardiovascular regulation?
adjustment of peripheral resistance
alterations in blood volume
adjustments that affect the transport of oxygen to active tissues
adjustments that affect the transport of carbon dioxide from active tissues
Answer: A
ANSWER
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25. Control Mechanisms: $200 Answer
Which of the following is a short-term response involved in cardiovascular regulation?
adjustment of peripheral resistance
alterations in blood volume
adjustments that affect the transport of oxygen to active tissues
adjustments that affect the transport of carbon dioxide from active tissues
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26. Control Mechanisms: $300 Question
The vasomotor center of the medulla oblongata primarily controls which of the following?
the diameter of arterioles through parasympathetic innervation
the diameter of arterioles through sympathetic innervation
the diameter of venules through sympathetic innervation
the diameter of capillaries through parasympathetic innervation
Answer: B
ANSWER
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27. Control Mechanisms: $300 Answer
The vasomotor center of the medulla oblongata primarily controls which of the following?
the diameter of arterioles through parasympathetic innervation
the diameter of arterioles through sympathetic innervation
the diameter of venules through sympathetic innervation
the diameter of capillaries through parasympathetic innervation
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28. Control Mechanisms: $400 Question
Under normal circumstances, the heart pumps blood into the aorta at the same rate at which it
arrives at the left atrium.
exits the right ventricle.
exits the left ventricle.
arrives at the right atrium.
Answer: D
ANSWER
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29. Control Mechanisms: $400 Answer
Under normal circumstances, the heart pumps blood into the aorta at the same rate at which it
arrives at the left atrium.
exits the right ventricle.
exits the left ventricle.
arrives at the right atrium.
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30. Control Mechanisms: $500 Question
What hormone(s) is (are) involved with short-term cardiovascular performance regulation?
epinephrine and norepinephrine
antidiuretic hormone
angiotensin II and atrial natriuretic peptide
erythropoietin
Answer: A
ANSWER
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31. Control Mechanisms: $500 Answer
What hormone(s) is (are) involved with short-term cardiovascular performance regulation?
epinephrine and norepinephrine
antidiuretic hormone
angiotensin II and atrial natriuretic peptide
erythropoietin
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32. Stress/Pulmonary and Systemic Circuits: $100 Question
During exercise, cardiac output rises as a result of what factor?
increased peripheral resistance
decreased venous return
increased venous return
decreased breathing rate
Answer: C
ANSWER
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33. Stress/Pulmonary and Systemic Circuits: $100 Answer
During exercise, cardiac output rises as a result of what factor?
increased peripheral resistance
decreased venous return
increased venous return
decreased breathing rate
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34. Stress/Pulmonary and Systemic Circuits: $200 Question
Which of the following reduces the impact of blood vessel occlusion?
thrombi
anastomoses
emboli
aneurysm
Answer: B
ANSWER
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35. Stress/Pulmonary and Systemic Circuits: $200 Answer
Which of the following reduces the impact of blood vessel occlusion?
thrombi
anastomoses
emboli
aneurysm
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36. Stress/Pulmonary and Systemic Circuits: $300 Question
Which of the following occurs in the pulmonary circuit?
Oxygen stores are depleted.
Carbon dioxide–laden blood is returned to the heart.
Carbon dioxide is released and oxygenated blood is returned to the heart.
Oxygenated blood is sent to the lungs by the heart.
Answer: C
ANSWER
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37. Stress/Pulmonary and Systemic Circuits: $300 Answer
Which of the following occurs in the pulmonary circuit?
Oxygen stores are depleted.
Carbon dioxide–laden blood is returned to the heart.
Carbon dioxide is released and oxygenated blood is returned to the heart.
Oxygenated blood is sent to the lungs by the heart.
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38. Stress/Pulmonary and Systemic Circuits: $400 Question
What structure connects the ascending aorta with the descending aorta?
brachiocephalic trunk
aortic arch
pulmonary trunk
internal thoracic artery
Answer: B
ANSWER
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39. Stress/Pulmonary and Systemic Circuits: $400 Answer
What structure connects the ascending aorta with the descending aorta?
brachiocephalic trunk
aortic arch
pulmonary trunk
internal thoracic artery
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40. Stress/Pulmonary and Systemic Circuits: $500 Question
Which of the following supplies blood to the pharynx, esophagus, larynx, and face?
external carotid arteries
basilar artery
cerebral arterial circle (circle of Willis)
internal carotid arteries
Answer: A
ANSWER
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41. Stress/Pulmonary and Systemic Circuits: $500 Answer
Which of the following supplies blood to the pharynx, esophagus, larynx, and face?
external carotid arteries
basilar artery
cerebral arterial circle (circle of Willis)
internal carotid arteries
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42. Fetal Circulation/Aging/Interactions: $100 Question
Deoxygenated blood leaves the fetus and enters the placenta by way of the
umbilical arteries.
umbilical vein.
ductus venosus.
ductus arteriosus.
Answer: A
ANSWER
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43. Fetal Circulation/Aging/Interactions: $100 Answer
Deoxygenated blood leaves the fetus and enters the placenta by way of the
umbilical arteries.
umbilical vein.
ductus venosus.
ductus arteriosus.
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44. Fetal Circulation/Aging/Interactions: $200 Question
What fetal structure allows blood to flow from the right atrium to left atrium?
umbilical vein
foramen ovale
ductus venosus
ductus arteriosus
Answer: B
ANSWER
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45. Fetal Circulation/Aging/Interactions: $200 Answer
What fetal structure allows blood to flow from the right atrium to left atrium?
umbilical vein
foramen ovale
ductus venosus
ductus arteriosus
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46. Fetal Circulation/Aging/Interactions: $300 Question
Regarding aging, what can form at atherosclerotic plaques?
scar tissue
thrombi
calluses
aneurysms
Answer: B
ANSWER
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47. Fetal Circulation/Aging/Interactions: $300 Answer
Regarding aging, what can form at atherosclerotic plaques?
scar tissue
thrombi
calluses
aneurysms
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48. Fetal Circulation/Aging/Interactions: $400 Question
Which fetal structure allows blood to flow from the pulmonary trunk to the aortic trunk?
umbilical vein
foramen ovale
ductus venosus
ductus arteriosus
Answer: D
ANSWER
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49. Fetal Circulation/Aging/Interactions: $400 Answer
Which fetal structure allows blood to flow from the pulmonary trunk to the aortic trunk?
umbilical vein
foramen ovale
ductus venosus
ductus arteriosus
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50. Fetal Circulation/Aging/Interactions: $500 Question
The cardiovascular system transports calcium, phosphate, EPO, parathyroid hormone, and calcitonin to the ________ system.
integumentary
skeletal
muscular
nervous
Answer: B
ANSWER
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51. Fetal Circulation/Aging/Interactions: $500 Answer
The cardiovascular system transports calcium, phosphate, EPO, parathyroid hormone, and calcitonin to the ________ system.
integumentary
skeletal
muscular
nervous
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52. What will NOT occur in response to an abnormal drop in blood pressure?
FINAL ROUND Question
What will NOT occur in response to an abnormal drop in blood pressure?
peripheral vasoconstriction
increased norepinephrine release at the myocardium
increased ACh release by vagus nerves
increased cardiac output
Answer: C
ANSWER
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53. What will NOT occur in response to an abnormal drop in blood pressure?
FINAL ROUND Answer
What will NOT occur in response to an abnormal drop in blood pressure?
peripheral vasoconstriction
increased norepinephrine release at the myocardium
increased ACh release by vagus nerves
increased cardiac output
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