Question 1

The walls of veins are thinner, so they cannot expand as greatly as arteries can.

Accepted Answer

A) True 
 B)False

Question 2

The excess fluid from the cardiovascular system that enters the lymphatic system is called _______.

Accepted Answer

A)   lymph
B)   plasma
C)   blood
D)   tissue fluid
E)   urineF) All of the above
G) B) and E)

Question 3

What does an ECG record?

Accepted Answer

A)   brain activity
B)   blood volume
C)   heart sounds
D)   hormonal changes
E)   electrical changesF) None of the above
G) A) and C)

Question 4

Which part of the brain contains the cardiac control center?

Accepted Answer

A)   cerebrum
B)   medulla oblongata
C)   cerebellum
D)   pons
E)   frontal lobeF) B) and C)
G) C) and D)

Question 5

Gas exchange is the only function of blood.

Accepted Answer

A) True 
 B)False

Question 6

Why does blood move slower in the capillaries compared to the arterioles?

Accepted Answer

A)   Capillaries are much wider than arterioles.
B)   Blood pressure is much higher in capillaries than in arterioles.
C)   There are many more capillaries than arterioles.
D)   Precapillary sphincters close shunting blood into capillaries.
E)   Capillaries are present in muscles while arterioles are not.F) C) and E)
G) C) and D)

Question 7

Which of the following is not a symptom of a heart attack?

Accepted Answer

A)   feeling of pressure in the chest
B)   dizziness
C)   nausea and vomiting
D)   diarrhea
E)   shortness of breathF) B) and D)
G) C) and D)

Question 8

The "lub" sound of the "lub-dup" heart beat is due to what?

Accepted Answer

A)   the closing of the AV valves
B)   the closing of the semilunar valves
C)   the right atrium contracting
D)   the left atrium contracting
E)   the relaxation of both atriaF) B) and D)
G) A) and C)

Question 9

Elizabeth takes a prescription drug that dilates her arterioles. What does this do to her blood pressure? Why?

Accepted Answer

A)   It falls because this increases the cross-sectional area of the vessels.
B)   It rises because this increases the cross-sectional area of the vessels.
C)   It falls because this decreases the cross-sectional area of the vessels.
D)   It rises because this decreases the cross-sectional area of the vessels.
E)   It stays the same because venules, not arterioles, control blood pressure.F) B) and C)
G) A) and B)

Question 10

What is the role of the lymphatic system associated with the cardiovascular system?

Accepted Answer

A)   collecting excess tissue fluids and returning it to the cardiovascular system
B)   collecting excess tissue fluids and returning it to the urinary system
C)   producing excess tissue fluids and returning it to the cardiovascular system
D)   producing excess tissue fluids and returning it to the urinary system
E)   prevention of infectionF) B) and C)
G) A) and B)

Question 11

What system drains blood from the capillary beds of the digestive tract to a capillary bed in the liver?

Accepted Answer

A)   cephalic
B)   hepatic portal
C)   coronary
D)   celiac
E)   lymphaticF) A) and B)
G) All of the above

Question 12

What is the largest artery in the systemic circuit?

Accepted Answer

A)   femoral
B)   carotid
C)   pulmonary
D)   hepatic
E)   aortaF) B) and C)
G) B) and D)

Question 13

Describe the 4 functions of the cardiovascular system.

Accepted Answer

1. Contractions of the heart generate bl...

Question 14

What is considered the pacemaker of the heart?

Accepted Answer

A)   medulla oblongata
B)   the sinoatrial node
C)   the atrioventricular node
D)   Purkinje fibers
E)   atrioventricular bundleF) A) and C)
G) A) and E)

Question 15

What are the two components of the cardiovascular system?

Accepted Answer

A)   heart and blood vessels
B)   arteries and heart
C)   veins and heart
D)   arteries and veins
E)   capillaries and veinsF) C) and D)
G) B) and E)

Question 16

What is the instrument called that is used to measure blood pressure?

Accepted Answer

A)   stethoscope
B)   CPR
C)   sphygmomanometer
D)   ECG
E)   AEDF) A) and B)
G) C) and D)

Question 17

Which arterial structure enables it to resist the blood pressure?

Accepted Answer

A)   elastic tissue in the arterial wall
B)   valves within artery
C)   skeletal muscle within the arterial walls
D)   precapillary sphincters
E)   a wall composed only of endotheliumF) A) and C)
G) A) and E)

Exam 5: Cardiovascular System: Heart and Blood Vessels

Which arterial structure enables it to resist the blood pressure?

Correct Answer
verified

Gas exchange is the only function of blood.

Correct Answer
verified

Which part of the brain contains the cardiac control center?

Correct Answer
verified

The excess fluid from the cardiovascular system that enters the lymphatic system is called _______.

Correct Answer
verified

What are the two components of the cardiovascular system?

Correct Answer
verified

The "lub" sound of the "lub-dup" heart beat is due to what?

Correct Answer
verified

What is the instrument called that is used to measure blood pressure?

Correct Answer
verified

Describe the 4 functions of the cardiovascular system.

Correct Answer
verified
1. Contractions of the heart generate bl...
View Answer

What is the largest artery in the systemic circuit?

Correct Answer
verified

What does an ECG record?

Correct Answer
verified

The walls of veins are thinner, so they cannot expand as greatly as arteries can.

Correct Answer
verified

Which of the following is not a symptom of a heart attack?

Correct Answer
verified

What is the role of the lymphatic system associated with the cardiovascular system?

Correct Answer
verified

Elizabeth takes a prescription drug that dilates her arterioles. What does this do to her blood pressure? Why?

Correct Answer
verified

Why does blood move slower in the capillaries compared to the arterioles?

Correct Answer
verified

What is considered the pacemaker of the heart?

Correct Answer
verified

What system drains blood from the capillary beds of the digestive tract to a capillary bed in the liver?

Correct Answer
verified

Exam 5: Cardiovascular System: Heart and Blood Vessels

Which arterial structure enables it to resist the blood pressure?

Correct AnswerverifiedShow Answer

Gas exchange is the only function of blood.

Correct AnswerverifiedShow Answer

Which part of the brain contains the cardiac control center?

Correct AnswerverifiedShow Answer

The excess fluid from the cardiovascular system that enters the lymphatic system is called _______.

Correct AnswerverifiedShow Answer

What are the two components of the cardiovascular system?

Correct AnswerverifiedShow Answer

The "lub" sound of the "lub-dup" heart beat is due to what?

Correct AnswerverifiedShow Answer

What is the instrument called that is used to measure blood pressure?

Correct AnswerverifiedShow Answer

Describe the 4 functions of the cardiovascular system.

Correct Answerverified1. Contractions of the heart generate bl...View AnswerShow Answer

What is the largest artery in the systemic circuit?

Correct AnswerverifiedShow Answer

What does an ECG record?

Correct AnswerverifiedShow Answer

The walls of veins are thinner, so they cannot expand as greatly as arteries can.

Correct AnswerverifiedShow Answer

Which of the following is not a symptom of a heart attack?

Correct AnswerverifiedShow Answer

What is the role of the lymphatic system associated with the cardiovascular system?

Correct AnswerverifiedShow Answer

Elizabeth takes a prescription drug that dilates her arterioles. What does this do to her blood pressure? Why?

Correct AnswerverifiedShow Answer

Why does blood move slower in the capillaries compared to the arterioles?

Correct AnswerverifiedShow Answer

What is considered the pacemaker of the heart?

Correct AnswerverifiedShow Answer

What system drains blood from the capillary beds of the digestive tract to a capillary bed in the liver?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
1. Contractions of the heart generate bl...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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