Question 1

The inferior vena cava is classified as a(n)

Accepted Answer

A)  large vein.
B)  venule.
C)  medium vein.
D)  arteriovenule.
E)  venous valve.

Question 2

The common carotid artery divides to form the ________ and ________ carotid arteries.

Accepted Answer

A)  superficial; deep
B)  medial; lateral
C)  inner; outer
D)  superior; inferior
E)  internal; external

Question 3

The vessel that receives blood from the head,neck,chest,shoulders,and arms is the

Accepted Answer

A)  internal jugular vein.
B)  external jugular vein.
C)  superior vena cava.
D)  inferior vena cava.
E)  coronary sinus.

Question 4

When carotid and aortic baroreceptors reduce their output,

Accepted Answer

A)  heart rate increases.
B)  heart rate decreases.
C)  stroke volume increases.
D)  both heart rate and stroke volume increase.
E)  the heart rate will decrease to lower blood pressure.

Question 5

The blood vessel that branches from the subclavian artery to supply the anterior wall of the chest is the

Accepted Answer

A)  internal thoracic.
B)  azygos artery.
C)  mediastinal artery.
D)  thoracic aorta.
E)  vertebral artery.

Question 6

The main control of peripheral resistance occurs in the

Accepted Answer

A)  artery.
B)  arteriole.
C)  capillary.
D)  venule.
E)  vein.

Question 7

Which of the following opposes the flow of blood back to the heart?

Accepted Answer

A)  vascular resistance
B)  peripheral veins have valves to prevent backflow of blood
C)  muscular pumps squeeze veins and move blood toward the heart
D)  blood pressure
E)  blood pressure gradient from arteries to veins

Question 8

Compare the hearts of a trained athlete and a nonathlete.

Accepted Answer

The athlete's heart will be larger and w...

Question 9

Which of the following is the innermost layer of a blood vessel?

Accepted Answer

A)  tunica intima
B)  external elastic membrane
C)  tunica media
D)  internal elastic membrane
E)  tunica externa

Question 10

The inferior portion of the spinal cord and the abdominal wall receive blood from the

Accepted Answer

A)  vertebral artery.
B)  abdominal aorta.
C)  sacral artery.
D)  coccygeal artery.
E)  lumbar artery.

Question 11

________ form elaborate capillary networks within tissues that allow for very slow blood flow.

Accepted Answer

A)  Varicosities
B)  Sinusoids
C)  Foramina
D)  Portal systems
E)  Perfusion centers

Question 12

The lower part of the large intestine including the rectum receives blood from the

Accepted Answer

A)  celiac trunk.
B)  inferior mesenteric artery.
C)  internal iliac artery.
D)  abdominal aorta.
E)  external iliac artery.

Question 13

If blood pressure doubled,the blood flow through a vessel would be

Accepted Answer

A)  doubled.
B)  halved.
C)  four times greater.
D)  1/4 as much.
E)  unchanged.

Question 14

The pressure difference between the base of the aorta and the right atrium is the ________ pressure.

Accepted Answer

A)  systemic
B)  systolic
C)  pulse
D)  mean arterial
E)  circulatory

Question 15

The blood vessel that carries blood to the arm and shoulder is the ________ artery.

Accepted Answer

A)  axillary
B)  subclavian
C)  brachial
D)  acromial
E)  brachiocephalic

Question 16

Homeostatic mechanisms in response to blood loss include all of the following except

Accepted Answer

A)  uptake of interstitial fluid due to reduced capillary pressure.
B)  inhibition of EPO secretion.
C)  activation of ADH secretion.
D)  activation of aldosterone secretion.
E)  increased thirst and water intake.

Question 17

Elevated levels of the natriuretic peptide hormones ANP and BNP will produce increased

Accepted Answer

A)  salt and water loss through the kidneys.
B)  blood volume.
C)  sodium ion levels in blood.
D)  venous return and preload.
E)  blood pressure.

Question 18

Exchange between a blood vessel and the cells that surround it can occur only in

Accepted Answer

A)  arteries.
B)  arterioles.
C)  veins.
D)  venules.
E)  capillaries.

Question 19

As blood travels from arteries to veins,

Accepted Answer

A)  pressure builds.
B)  pressure drops.
C)  flow becomes turbulent.
D)  viscosity increases.
E)  diameter of the blood vessels gets progressively smaller.

Exam 21: Blood Vessels and Circulation

The main control of peripheral resistance occurs in the

Correct Answer
verified

Which of the following opposes the flow of blood back to the heart?

Correct Answer
verified

Which of the following is the innermost layer of a blood vessel?

Correct Answer
verified

The inferior vena cava is classified as a(n)

Correct Answer
verified

The pressure difference between the base of the aorta and the right atrium is the ________ pressure.

Correct Answer
verified

Exchange between a blood vessel and the cells that surround it can occur only in

Correct Answer
verified

The blood vessel that carries blood to the arm and shoulder is the ________ artery.

Correct Answer
verified

The inferior portion of the spinal cord and the abdominal wall receive blood from the

Correct Answer
verified

If blood pressure doubled,the blood flow through a vessel would be

Correct Answer
verified

Elevated levels of the natriuretic peptide hormones ANP and BNP will produce increased

Correct Answer
verified

The blood vessel that branches from the subclavian artery to supply the anterior wall of the chest is the

Correct Answer
verified

As blood travels from arteries to veins,

Correct Answer
verified

The lower part of the large intestine including the rectum receives blood from the

Correct Answer
verified

The common carotid artery divides to form the and carotid arteries.

Correct Answer
verified

________ form elaborate capillary networks within tissues that allow for very slow blood flow.

Correct Answer
verified

Homeostatic mechanisms in response to blood loss include all of the following except

Correct Answer
verified

Compare the hearts of a trained athlete and a nonathlete.

Correct Answer
verified
The athlete's heart will be larger and w...
View Answer

When carotid and aortic baroreceptors reduce their output,

Correct Answer
verified

The vessel that receives blood from the head,neck,chest,shoulders,and arms is the

Correct Answer
verified

Exam 21: Blood Vessels and Circulation

The main control of peripheral resistance occurs in the

Correct AnswerverifiedShow Answer

Which of the following opposes the flow of blood back to the heart?

Correct AnswerverifiedShow Answer

Which of the following is the innermost layer of a blood vessel?

Correct AnswerverifiedShow Answer

The inferior vena cava is classified as a(n)

Correct AnswerverifiedShow Answer

The pressure difference between the base of the aorta and the right atrium is the ________ pressure.

Correct AnswerverifiedShow Answer

Exchange between a blood vessel and the cells that surround it can occur only in

Correct AnswerverifiedShow Answer

The blood vessel that carries blood to the arm and shoulder is the ________ artery.

Correct AnswerverifiedShow Answer

The inferior portion of the spinal cord and the abdominal wall receive blood from the

Correct AnswerverifiedShow Answer

If blood pressure doubled,the blood flow through a vessel would be

Correct AnswerverifiedShow Answer

Elevated levels of the natriuretic peptide hormones ANP and BNP will produce increased

Correct AnswerverifiedShow Answer

The blood vessel that branches from the subclavian artery to supply the anterior wall of the chest is the

Correct AnswerverifiedShow Answer

As blood travels from arteries to veins,

Correct AnswerverifiedShow Answer

The lower part of the large intestine including the rectum receives blood from the

Correct AnswerverifiedShow Answer

The common carotid artery divides to form the ________ and ________ carotid arteries.

Correct AnswerverifiedShow Answer

________ form elaborate capillary networks within tissues that allow for very slow blood flow.

Correct AnswerverifiedShow Answer

Homeostatic mechanisms in response to blood loss include all of the following except

Correct AnswerverifiedShow Answer

Compare the hearts of a trained athlete and a nonathlete.

Correct AnswerverifiedThe athlete's heart will be larger and w...View AnswerShow Answer

When carotid and aortic baroreceptors reduce their output,

Correct AnswerverifiedShow Answer

The vessel that receives blood from the head,neck,chest,shoulders,and arms is the

Correct AnswerverifiedShow Answer

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The common carotid artery divides to form the and carotid arteries.

Correct Answer
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Correct Answer
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Correct Answer
verified
The athlete's heart will be larger and w...
View Answer

Correct Answer
verified

Correct Answer
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