Question 1

Which of the following hormones would NOT stimulate changes that lead to an increase in arterial blood pressure?

Accepted Answer

A)  Atrial natriuretic peptide(ANP) 
B)  Antidiuretic hormone(ADH) 
C)  Aldosterone
D)  Angiotensin
E)  Epinephrine

Question 2

The myogenic response of smooth muscle results in

Accepted Answer

A)  more forceful contractions when stretched.
B)  more forceful contractions when relaxed
C)  tetany.
D)  relaxation of smooth muscle when stretched.
E)  formation of new desmosomes.

Question 3

Which of the labeled layers in the diagram of the arterial wall consists mainly of elastic fibers and smooth muscle fibers?

Accepted Answer

A)  A
B)  B
C)  C
D)  A and B
E)  A,B and C

Question 4

When the umbilical cord is tied after birth,the umbilical arteries close by filling in with

Accepted Answer

A)  placental fluid.
B)  platelet plugs.
C)  connective tissue.
D)  smooth muscle.
E)  epithelial tissue.

Question 5

Which layer of the arterial wall is responsible for vasoconstriction?

Accepted Answer

A)  tunica interna
B)  tunica media
C)  tunica externa
D)  tunica albuginea
E)  tunica fascia

Question 6

Which of the following vessels carries the venous blood from the lower body into the right atrium?

Accepted Answer

A)  Inferior vena cava
B)  Superior vena cava
C)  Tibial vein
D)  Coronary vein
E)  Iliac vein

Question 7

Which layer of the arterial wall is primarily composed of elastic and collagen fibers?

Accepted Answer

A)  tunica interna
B)  tunica media
C)  tunica externa
D)  tunica albuginea
E)  tunica fascia

Question 8

Which vessel in the figure is labeled "A"?

Accepted Answer

A)  right subclavian artery
B)  right radial artery
C)  right common carotid artery
D)  right brachial artery
E)  right axillary artery

Question 9

Which labeled structure in the figure is precapillary sphincter?

Accepted Answer

A)  A
B)  B
C)  C
D)  D
E)  E

Question 10

This type of shock is due to decreased blood volume.

Accepted Answer

A)  Hypovolemic
B)  Cardiogenic
C)  Vascular
D)  Obstructive
E)  Neurogenic

Question 11

Which of the following vessels supplies blood to the intestines?

Accepted Answer

A)  Radial artery
B)  Subclavian artery
C)  Mesenteric artery
D)  Coronary artery
E)  Popliteal artery

Question 12

Cardiac output is dependent on both

Accepted Answer

A)  heart rate and stroke volume.
B)  stroke volume and systemic vascular resistance.
C)  heart rate and systemic vascular resistance.
D)  blood type and stroke volume.
E)  blood pressure and heart rate

Question 13

Which of the types of capillaries shown in the figure is commonly found in the kidneys,villi of the small intestine,choroid plexuses,and some endocrine glands?

Accepted Answer

A)  A
B)  B
C)  C
D)  A and B
E)  B and C

Question 14

What would the pulse pressure and mean arterial pressure be for an individual with a blood pressure of 120/80?

Accepted Answer

A)  40;100
B)  40;93.3
C)  40;103.3
D)  200;100
E)  100;200

Question 15

Elastic arteries function as

Accepted Answer

A)  vasodilators.
B)  conduits to the tissues of the trunk only.
C)  barriers to microcirculation.
D)  pressure reservoirs.
E)  vasoconstrictors.

Question 16

Which vessel in the figure is labeled "C"?

Accepted Answer

A)  accessory hemiazygos vein
B)  hemiazygos vein
C)  left gonadal vein
D)  right renal vein
E)  right suprarenal vein

Question 17

Identify and discuss the factors that contribute to systemic vascular resistance.

Accepted Answer

1)Blood viscosity is dependent on the ra...

Question 18

Which of the following would NOT result in an increase in systemic vascular resistance?

Accepted Answer

A)  Decreased diameter of systemic arterioles
B)  Increased blood viscosity
C)  Decreased length of the systemic circulatory route
D)  Increased vasoconstriction of systemic arterioles
E)  Increased red blood cell count

Question 19

In which of the following types of blood vessels is blood pressure NOT pulsing?
1) Arteries
2) Capillaries
3) Arterioles
4) Venules

Accepted Answer

A)  1 only
B)  2 only
C)  3 only
D)  4 only
E)  Both 2 and 4

Question 20

Abnormal conditions such as atherosclerosis and patent ductus arteriosus cause an large increase in the

Accepted Answer

A)  blood colloid osmotic pressure.
B)  central venous pressure.
C)  pulse pressure.
D)  venular hydrostatic pressure.
E)  capillary hyrdostatic pressure.

Exam 21: The Cardiovascular System: Blood Vessels and Hemodynamics

The myogenic response of smooth muscle results in

Correct AnswerverifiedShow Answer

Abnormal conditions such as atherosclerosis and patent ductus arteriosus cause an large increase in the

Correct AnswerverifiedShow Answer

Which layer of the arterial wall is primarily composed of elastic and collagen fibers?

Correct AnswerverifiedShow Answer

Cardiac output is dependent on both

Correct AnswerverifiedShow Answer

Elastic arteries function as

Correct AnswerverifiedShow Answer

Which vessel in the figure is labeled "A"?

Correct AnswerverifiedShow Answer

Which labeled structure in the figure is precapillary sphincter?

Correct AnswerverifiedShow Answer

What would the pulse pressure and mean arterial pressure be for an individual with a blood pressure of 120/80?

Correct AnswerverifiedShow Answer

Which of the following vessels carries the venous blood from the lower body into the right atrium?

Correct AnswerverifiedShow Answer

Identify and discuss the factors that contribute to systemic vascular resistance.

Correct Answerverified1)Blood viscosity is dependent on the ra...View AnswerShow Answer

In which of the following types of blood vessels is blood pressure NOT pulsing? 1) Arteries 2) Capillaries 3) Arterioles 4) Venules

Correct AnswerverifiedShow Answer

Which vessel in the figure is labeled "C"?

Correct AnswerverifiedShow Answer

Which of the types of capillaries shown in the figure is commonly found in the kidneys,villi of the small intestine,choroid plexuses,and some endocrine glands?

Correct AnswerverifiedShow Answer

When the umbilical cord is tied after birth,the umbilical arteries close by filling in with

Correct AnswerverifiedShow Answer

Which of the following hormones would NOT stimulate changes that lead to an increase in arterial blood pressure?

Correct AnswerverifiedShow Answer

Which of the following would NOT result in an increase in systemic vascular resistance?

Correct AnswerverifiedShow Answer

Which of the labeled layers in the diagram of the arterial wall consists mainly of elastic fibers and smooth muscle fibers?

Correct AnswerverifiedShow Answer

This type of shock is due to decreased blood volume.

Correct AnswerverifiedShow Answer

Which layer of the arterial wall is responsible for vasoconstriction?

Correct AnswerverifiedShow Answer

Which of the following vessels supplies blood to the intestines?

Correct AnswerverifiedShow Answer

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1)Blood viscosity is dependent on the ra...
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