Question 1

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 bundle 
A)  medulla oblongata 
B)  the sinoatrial node 
C)  the atrioventricular node 
D)  Purkinje fibers 
E)  atrioventricular bundle

Question 2

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

Accepted Answer

A)  stethoscope 
B)  CPR 
C)  sphygmomanometer 
D)  ECG 
E)  AED 
A)  stethoscope 
B)  CPR 
C)  sphygmomanometer 
D)  ECG 
E)  AED

Question 3

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

Question 4

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)  urine 
A)  lymph 
B)  plasma 
C)  blood 
D)  tissue fluid 
E)  urine

Question 5

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

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

What does an ECG record?

Accepted Answer

A)  brain activity 
B)  blood volume 
C)  heart sounds 
D)  hormonal changes 
E)  electrical changes 
A)  brain activity 
B)  blood volume 
C)  heart sounds 
D)  hormonal changes 
E)  electrical changes

Question 8

Describe the 4 functions of the cardiovascular system.

Accepted Answer

1. Contractions of the heart generate bl

Question 9

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 atria 
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 atria

Question 10

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 endothelium 
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 endothelium

Question 11

Which part of the brain contains the cardiac control center?

Accepted Answer

A)  cerebrum 
B)  medulla oblongata 
C)  cerebellum 
D)  pons 
E)  frontal lobe 
A)  cerebrum 
B)  medulla oblongata 
C)  cerebellum 
D)  pons 
E)  frontal lobe

Question 12

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. 
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.

Question 13

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. 
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.

Question 14

What is the largest artery in the systemic circuit?

Accepted Answer

A)  femoral 
B)  carotid 
C)  pulmonary 
D)  hepatic 
E)  aorta 
A)  femoral 
B)  carotid 
C)  pulmonary 
D)  hepatic 
E)  aorta

Question 15

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 infection 
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 infection

Question 16

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)  lymphatic 
A)  cephalic 
B)  hepatic portal 
C)  coronary 
D)  celiac 
E)  lymphatic

Question 17

Gas exchange is the only function of blood.

Accepted Answer

A) True 
 B)False

Exam 5: Cardiovascular System: Heart and Blood Vessels

What is considered the pacemaker of the heart?

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

What are the two components of the cardiovascular system?

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

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

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

What does an ECG record?

Describe the 4 functions of the cardiovascular system.

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

Which arterial structure enables it to resist the blood pressure?

Which part of the brain contains the cardiac control center?

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

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

What is the largest artery in the systemic circuit?

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

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

Gas exchange is the only function of blood.

Exploring Life and Science

Chemistry of Life

Cell Structure and Function

Organization and Regulation of Body Systems

Cardiovascular System: Blood

The Lymphatic and Immune Systems

Digestive System and Nutrition

Respiratory System

Urinary System

Skeletal System

Muscular System

Nervous System

Senses

Endocrine System

Reproductive System

Human Development and Aging

Patterns of Chromosome Inheritance

Cancer

Patterns of Genetic Inheritance

DNA Biology and Technology

Human Evolution

Global Ecology and Human Interferences

Human Population, Planetary Resources, and Conservation

Infectious Diseases Supplement

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