Question 1

Match the term with the appropriate description.
-vasa vasorum

Accepted Answer

A) a bulge (a weak spot)in the artery wall 
B) degenerative changes in arteries 
C) an overstretching of the veins of the lower extremities 
D) inflammation of the veins 
E) small vessels that supply nutrients to large arteries
, 
A) a bulge (a weak spot)in the artery wall 
B) degenerative changes in arteries 
C) an overstretching of the veins of the lower extremities 
D) inflammation of the veins 
E) small vessels that supply nutrients to large arteries
,

Question 2

When the blood pressure of a vessel drops below the critical closing pressure for that vessel,

Accepted Answer

A) there is hypertension. 
B) there is an increase in blood flow. 
C) there is an increase in peripheral resistance. 
D) the vessel collapses. 
E) the vessel expands. 
A) there is hypertension. 
B) there is an increase in blood flow. 
C) there is an increase in peripheral resistance. 
D) the vessel collapses. 
E) the vessel expands.

Question 3

Which of the following arteries sends branches to the stomach and liver?

Accepted Answer

A) celiac artery 
B) superior mesenteric artery 
C) inferior mesenteric artery 
D) renal artery 
E) splenic artery 
A) celiac artery 
B) superior mesenteric artery 
C) inferior mesenteric artery 
D) renal artery 
E) splenic artery

Question 4

Arteriosclerosis is characterized by

Accepted Answer

A) a thickening of the tunica adventitia. 
B) increased elasticity of the tunica media. 
C) decreased resistance to blood flow. 
D) an enlargement of the lumen of the vessel. 
E) thickening of the tunica intima and loss of elasticity in the tunica media. 
A) a thickening of the tunica adventitia. 
B) increased elasticity of the tunica media. 
C) decreased resistance to blood flow. 
D) an enlargement of the lumen of the vessel. 
E) thickening of the tunica intima and loss of elasticity in the tunica media.

Question 5

Match the vessel with the appropriate description.
-thoracic parietal artery

Accepted Answer

A) supplies blood to the diaphragm 
B) supplies blood to the esophagus 
C) supplies blood to the thoracic wall 
D) supplies blood to the pancreas and small intestine 
E) supplies blood to the stomach,liver,and spleen 
A) supplies blood to the diaphragm 
B) supplies blood to the esophagus 
C) supplies blood to the thoracic wall 
D) supplies blood to the pancreas and small intestine 
E) supplies blood to the stomach,liver,and spleen

Question 6

Which of the following is NOT involved in short-term regulation of blood pressure?

Accepted Answer

A) baroreceptor reflex 
B) adrenal medullary mechanism 
C) alteration in blood volume 
D) chemoreceptor mechanism 
A) baroreceptor reflex 
B) adrenal medullary mechanism 
C) alteration in blood volume 
D) chemoreceptor mechanism

Question 7

Tracing the blood from the heart to the right hand,blood leaves the heart,passes through the ascending aorta,aortic arch,right subclavian artery,axillary and brachial arteries,either the radial or ulnar arteries and palmar arches to arrive at the hand.Which artery is missing in this sequence?

Accepted Answer

A) cephalic 
B) jugular 
C) brachiocephalic 
D) right common carotid 
E) left subclavian artery 
A) cephalic 
B) jugular 
C) brachiocephalic 
D) right common carotid 
E) left subclavian artery

Question 8

Which coat of an artery contains endothelium?

Accepted Answer

A) tunica intima 
B) tunica media 
C) tunica adventitia 
D) tunica elastica 
E) tunica intermedia 
A) tunica intima 
B) tunica media 
C) tunica adventitia 
D) tunica elastica 
E) tunica intermedia

Question 9

Arteries can constrict or dilate as needed because of the smooth muscle found in the

Accepted Answer

A) tunica intima. 
B) tunica media. 
C) tunica adventitia. 
D) tunica externa. 
E) tunica interna. 
A) tunica intima. 
B) tunica media. 
C) tunica adventitia. 
D) tunica externa. 
E) tunica interna.

Question 10

When contrasting arteries and veins,which of the following statements is true?

Accepted Answer

A) Veins have thicker walls than arteries. 
B) Arteries have a thicker tunica media than veins. 
C) Veins have a tunica media while arteries do not. 
D) Arteries have valves,but veins do not. 
E) Arteries have smooth muscle in their walls,but veins do not. 
A) Veins have thicker walls than arteries. 
B) Arteries have a thicker tunica media than veins. 
C) Veins have a tunica media while arteries do not. 
D) Arteries have valves,but veins do not. 
E) Arteries have smooth muscle in their walls,but veins do not.

Question 11

The abdominal aorta divides at L5 to form the two

Accepted Answer

A) inferior mesenteric arteries. 
B) common iliac arteries. 
C) superior mesenteric arteries. 
D) femoral arteries. 
E) renal arteries. 
A) inferior mesenteric arteries. 
B) common iliac arteries. 
C) superior mesenteric arteries. 
D) femoral arteries. 
E) renal arteries.

Question 12

Vasoconstriction is caused by ______ stimulation of vascular smooth muscle; ______ stimulation of vascular smooth muscle causes vasodilation.

Accepted Answer

A)  decreased; increased 
B)  parasympathetic; sympathetic 
C)  sympathetic; increased 
D)  parasympathetic; decreased 
E)  sympathetic; parasympathetic 
A)  decreased; increased 
B)  parasympathetic; sympathetic 
C)  sympathetic; increased 
D)  parasympathetic; decreased 
E)  sympathetic; parasympathetic

Question 13

Match the following with the appropriate description.
-external carotid artery

Accepted Answer

A) formed when the right and left vertebral arteries unite 
B) supplies blood to the face,nose,and mouth 
C) terminates by forming the middle cerebral arteries 
D) supplies blood to the arm and shoulder regions 
E) sense organs that monitor blood pressure 
A) formed when the right and left vertebral arteries unite 
B) supplies blood to the face,nose,and mouth 
C) terminates by forming the middle cerebral arteries 
D) supplies blood to the arm and shoulder regions 
E) sense organs that monitor blood pressure

Question 14

Which of the following would occur as a person goes into shock?

Accepted Answer

A) Baroreceptors are stimulated. 
B) Chemoreceptors are depressed. 
C) Renin release is inhibited. 
D) Parasympathetic stimulation is increased. 
E) Sympathetic stimulation is decreased. 
A) Baroreceptors are stimulated. 
B) Chemoreceptors are depressed. 
C) Renin release is inhibited. 
D) Parasympathetic stimulation is increased. 
E) Sympathetic stimulation is decreased.

Question 15

The relationship between the force holding open a vessel and the vessels diameter (Force = diameter x pressure; or F = D x P)is called:

Accepted Answer

A)  Poiseuille's law 
B)  Korotkoff's law 
C)  Henry's Law 
D)  Boyle's law 
E)  Laplace's law 
A)  Poiseuille's law 
B)  Korotkoff's law 
C)  Henry's Law 
D)  Boyle's law 
E)  Laplace's law

Question 16

All of the following are functions of the circulatory system,except

Accepted Answer

A)  carries blood. 
B)  regulates blood pressure. 
C)  transports nutrients. 
D)  directs blood flow to tissues. 
E)  excretes wastes. 
A)  carries blood. 
B)  regulates blood pressure. 
C)  transports nutrients. 
D)  directs blood flow to tissues. 
E)  excretes wastes.

Question 17

Match the vessel with the appropriate description.
-common iliac artery

Accepted Answer

A) supplies blood to the frontal lobes of the brain 
B) a circle of arteries at the base of the brain 
C) supplies large portions of the lateral cerebral cortex 
D) supplies the posterior portion of the cerebrum 
E) formed by the bifurcation of the abdominal aorta 
A) supplies blood to the frontal lobes of the brain 
B) a circle of arteries at the base of the brain 
C) supplies large portions of the lateral cerebral cortex 
D) supplies the posterior portion of the cerebrum 
E) formed by the bifurcation of the abdominal aorta

Question 18

Which vein drains blood from the left side of the thorax and esophagus into the left brachiocephalic vein?

Accepted Answer

A) hemiazygos vein 
B) left azygos vein 
C) internal thoracic vein 
D) accessory hemiazygos vein 
A) hemiazygos vein 
B) left azygos vein 
C) internal thoracic vein 
D) accessory hemiazygos vein

Question 19

As viscosity of the blood increases,

Accepted Answer

A) the pressure required to force it to flow increases. 
B) the pressure required to force it to flow decreases. 
C) the fluid becomes thinner. 
D) the hematocrit decreases. 
E) the flow does not change. 
A) the pressure required to force it to flow increases. 
B) the pressure required to force it to flow decreases. 
C) the fluid becomes thinner. 
D) the hematocrit decreases. 
E) the flow does not change.

Question 20

When there is a drop in blood pressure,the body reacts immediately by way of the

Accepted Answer

A) baroreceptor mechanism. 
B) chemoreceptor mechanism. 
C) CNS ischemic mechanism. 
D) stress-relaxation mechanism. 
E) adrenal medullary mechanism. 
A) baroreceptor mechanism. 
B) chemoreceptor mechanism. 
C) CNS ischemic mechanism. 
D) stress-relaxation mechanism. 
E) adrenal medullary mechanism.

Exam 21: Cardiovascular System: Blood Vessels and Circulation

Match the term with the appropriate description. -vasa vasorum

When the blood pressure of a vessel drops below the critical closing pressure for that vessel,

Which of the following arteries sends branches to the stomach and liver?

Arteriosclerosis is characterized by

Match the vessel with the appropriate description. -thoracic parietal artery

Which of the following is NOT involved in short-term regulation of blood pressure?

Tracing the blood from the heart to the right hand,blood leaves the heart,passes through the ascending aorta,aortic arch,right subclavian artery,axillary and brachial arteries,either the radial or ulnar arteries and palmar arches to arrive at the hand.Which artery is missing in this sequence?

Which coat of an artery contains endothelium?

Arteries can constrict or dilate as needed because of the smooth muscle found in the

When contrasting arteries and veins,which of the following statements is true?

The abdominal aorta divides at L5 to form the two

Vasoconstriction is caused by ______ stimulation of vascular smooth muscle; ______ stimulation of vascular smooth muscle causes vasodilation.

Match the following with the appropriate description. -external carotid artery

Which of the following would occur as a person goes into shock?

The relationship between the force holding open a vessel and the vessels diameter (Force = diameter x pressure; or F = D x P)is called:

All of the following are functions of the circulatory system,except

Match the vessel with the appropriate description. -common iliac artery

Which vein drains blood from the left side of the thorax and esophagus into the left brachiocephalic vein?

As viscosity of the blood increases,

When there is a drop in blood pressure,the body reacts immediately by way of the

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Vasoconstriction is caused by stimulation of vascular smooth muscle; stimulation of vascular smooth muscle causes vasodilation.