Question 1

A person with normal blood volume and white cell count but low red cell count or low hemoglobin content may be suffering from

Accepted Answer

A)  hemophilia.
B)  anemia.
C)  leukemia.
D)  mononucleosis.
E)  blood poisoning.F) A) and C)
G) B) and D)

Question 2

There is a condition where a baby is born with an opening (foramen ovale) in the septum or wall between the atria.What are reasonable consequences?

Accepted Answer

A)  more efficient pumping of blood through the body with pressure from both ventricles
B)  an equal reading for blood pressure,that is diastole equals systole
C)  disability when deoxygenated blood is mixed and sent to the body and partly oxygenated blood is sent to the lungs
D)  death due to loss of blood from the circulatory system
E)  no significant differences would occurF) All of the above
G) A) and C)

Question 3

The reason red blood cells only live about 120 days is because red blood cells

Accepted Answer

A)  lack a nucleus and therefore cannot defend themselves from a pathogen attack.
B)  lack a nucleus and therefore cannot repair and rebuild cell structures.
C)  are attacked and eaten by white blood cells.
D)  are physiologically inferior cells that are not made to last very long.
E)  are destroyed by the high levels of oxygen they carry.F) A) and C)
G) B) and E)

Question 4

The blood vessel that provides oxygen to the heart tissue is the

Accepted Answer

A)  pulmonary artery.
B)  coronary artery.
C)  left carotid artery.
D)  renal artery.
E)  left subclavian artery.F) A) and D)
G) A) and E)

Question 5

Only blood pressure controls movement of fluid through the capillary wall into the tissue.Therefore,people with high blood pressure often have swelling issues.

Accepted Answer

A) True 
 B)False

Question 6

Which structure(s) would be subject to the lowest blood pressure?

Accepted Answer

A)  vena cava
B)  aorta
C)  atrioventricular valve
D)  pulmonary arteries
E)  semilunar valveF) A) and B)
G) B) and D)

Question 7

The electrical changes that occur in the heart during contraction are recordings termed

Accepted Answer

A)  EEGs.
B)  ECGs.
C)  EGGs.
D)  EMGs.
E)  MIGs.F) None of the above
G) A) and D)

Question 8

You are unable to see arteries and arterioles without a microscope.

Accepted Answer

A) True 
 B)False

Question 9

The alternating expansion and recoil of an arterial wall is termed a(n)

Accepted Answer

A)  ECG.
B)  EEG.
C)  pulse.
D)  hypertension.
E)  heart murmur.F) B) and D)
G) None of the above

Question 10

In a coronary bypass operation,a stent is placed within the blockage and the clogged area is compressed.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following variables does not increase an individual's likelihood of developing a cardiovascular disease?

Accepted Answer

A)  gender
B)  family history of heart attack under 55 years of age
C)  smoking
D)  hypertension
E)  type 2 diabetesF) A) and B)
G) A) and C)

Question 12

In humans,the superior vena cava

Accepted Answer

A)  carries blood to the right atrium.
B)  carries blood away from the right atrium.
C)  joins with the aorta.
D)  has a high blood pressure.
E)  carries O2-rich blood.F) B) and E)
G) C) and D)

Question 13

In a hypothetical experiment,the blood flow between two dogs is joined and one dog is stressed so that its heart rate goes up rapidly.What will happen to the heart rate of the second dog?

Accepted Answer

A)  It will remain calm because the heart rate is determined intrinsically in each heart.
B)  Heart rate will go up due to an increase in epinephrine and norepinephrine in the blood.
C)  Heart rate will go up due to signals from the first dog's SA node.
D)  It will remain calm because there is no connection of the dogs' sympathetic nervous systems.
E)  The heart rate of the second dog will decrease to compensate for the speed of the first dog's heart.F) A) and C)
G) B) and D)

Question 14

Which of the following correctly traces the path of blood from the heart to the kidneys and back to the heart again?

Accepted Answer

A)  left ventricle  →\rightarrow→  vena cava  →\rightarrow→ renal vein  →\rightarrow→  kidney  →\rightarrow→  renal artery  →\rightarrow→  aorta  →\rightarrow→  right atrium
B)  right atrium  →\rightarrow→  aorta  →\rightarrow→  renal artery  →\rightarrow→  kidney  →\rightarrow→  renal vein  →\rightarrow→  hepatic portal vein  →\rightarrow→  vena cava  →\rightarrow→  left atrium
C)  left ventricle  →\rightarrow→  renal artery  →\rightarrow→  kidney  →\rightarrow→  renal vein  →\rightarrow→  vena cava  →\rightarrow→  right atrium
D)  left ventricle  →\rightarrow→  aorta  →\rightarrow→ renal artery  →\rightarrow→  kidney  →\rightarrow→  renal vein  →\rightarrow→ vena cava  →\rightarrow→  right atrium
E)  right ventricle  →\rightarrow→  aorta  →\rightarrow→  renal artery →\rightarrow→  kidney →\rightarrow→  renal vein  →\rightarrow→  vena cava  →\rightarrow→  hepatic portal vein  →\rightarrow→  right atrium F) None of the above
G) C) and E)

Question 15

Which phase of the ECG indicates ventricular excitation and contraction?

Accepted Answer

A)  P wave
B)  QRS wave
C)  T wave
D)  U wave
E)  I waveF) C) and D)
G) A) and E)

Question 16

The two enzymes in the clotting process are

Accepted Answer

A)  fibrin and prothrombin activator.
B)  prothrombin activator and thrombin.
C)  platelets and fibrin.
D)  prothrombin and calcium.
E)  albumin and hemoglobin.F) A) and E)
G) B) and D)

Question 17

When the paramedic shouts "stand back" and applies the paddles to administer a strong current,this is an attempt to

Accepted Answer

A)  restart ventricular contractions that have completely stopped.
B)  reverse control of heartbeat from AV to SA nodes.
C)  align the P-QRS waves with the electrical paddle waves.
D)  stop the ventricles from uncontrolled contractions so the SA node can reestablish a coordinated beat.
E)  destroy heart tissue that is out of control.F) A) and B)
G) A) and C)

Question 18

Which blood pressure is considered abnormally high for individuals who are under the age of 45?

Accepted Answer

A)  130/90 mm Hg
B)  90/130 mm Hg
C)  110/95 mm Hg
D)  95/140 mm Hg
E)  120/90 mm HgF) A) and D)
G) None of the above

Question 19

The sound of a heartbeat results when the ventricles contract and blood is surged out of the heart.

Accepted Answer

A) True 
 B)False

Question 20

Early doctors did not understand that blood flowed in a circuit but assumed that blood ebbed and flowed like a tide in the body.William Harvey was the first to demonstrate the circulation of blood and convince the medical community.Which of the following observations would be evidence that blood was pumped through the body or flowed in a circuit?

Accepted Answer

A)  Dissecting a live fish shows the heart beating and blood moving,gushing one direction.
B)  A very tight tourniquet causes the arteries to swell on the side toward the heart,but not on the side of the ligature away from the heart.
C)  Measuring the volume of the heart and counting the beats per minute gives a value of 520 pounds of blood an hour,many times a person's volume.
D)  In surface veins,blood can be pressed past a valve toward the heart but not away from the heart.
E)  A cut made anywhere on the body results in blood seeping from the wound.F) A) and E)
G) B) and C)

Exam 12: Cardiovascular System

Which structure(s) would be subject to the lowest blood pressure?

Correct Answer
verified

The alternating expansion and recoil of an arterial wall is termed a(n)

Correct Answer
verified

Only blood pressure controls movement of fluid through the capillary wall into the tissue.Therefore,people with high blood pressure often have swelling issues.

Correct Answer
verified

Which phase of the ECG indicates ventricular excitation and contraction?

Correct Answer
verified

Correct Answer
verified

In a coronary bypass operation,a stent is placed within the blockage and the clogged area is compressed.

Correct Answer
verified

In humans,the superior vena cava

Correct Answer
verified

When the paramedic shouts "stand back" and applies the paddles to administer a strong current,this is an attempt to

Correct Answer
verified

The sound of a heartbeat results when the ventricles contract and blood is surged out of the heart.

Correct Answer
verified

A person with normal blood volume and white cell count but low red cell count or low hemoglobin content may be suffering from

Correct Answer
verified

The reason red blood cells only live about 120 days is because red blood cells

Correct Answer
verified

There is a condition where a baby is born with an opening (foramen ovale) in the septum or wall between the atria.What are reasonable consequences?

Correct Answer
verified

In a hypothetical experiment,the blood flow between two dogs is joined and one dog is stressed so that its heart rate goes up rapidly.What will happen to the heart rate of the second dog?

Correct Answer
verified

Which of the following variables does not increase an individual's likelihood of developing a cardiovascular disease?

Correct Answer
verified

The electrical changes that occur in the heart during contraction are recordings termed

Correct Answer
verified

The blood vessel that provides oxygen to the heart tissue is the

Correct Answer
verified

You are unable to see arteries and arterioles without a microscope.

Correct Answer
verified

Which blood pressure is considered abnormally high for individuals who are under the age of 45?

Correct Answer
verified

The two enzymes in the clotting process are

Correct Answer
verified

Which of the following correctly traces the path of blood from the heart to the kidneys and back to the heart again?

Correct Answer
verified

Exam 12: Cardiovascular System

Which structure(s) would be subject to the lowest blood pressure?

Correct AnswerverifiedShow Answer

The alternating expansion and recoil of an arterial wall is termed a(n)

Correct AnswerverifiedShow Answer

Only blood pressure controls movement of fluid through the capillary wall into the tissue.Therefore,people with high blood pressure often have swelling issues.

Correct AnswerverifiedShow Answer

Which phase of the ECG indicates ventricular excitation and contraction?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

In a coronary bypass operation,a stent is placed within the blockage and the clogged area is compressed.

Correct AnswerverifiedShow Answer

In humans,the superior vena cava

Correct AnswerverifiedShow Answer

When the paramedic shouts "stand back" and applies the paddles to administer a strong current,this is an attempt to

Correct AnswerverifiedShow Answer

The sound of a heartbeat results when the ventricles contract and blood is surged out of the heart.

Correct AnswerverifiedShow Answer

A person with normal blood volume and white cell count but low red cell count or low hemoglobin content may be suffering from

Correct AnswerverifiedShow Answer

The reason red blood cells only live about 120 days is because red blood cells

Correct AnswerverifiedShow Answer

There is a condition where a baby is born with an opening (foramen ovale) in the septum or wall between the atria.What are reasonable consequences?

Correct AnswerverifiedShow Answer

In a hypothetical experiment,the blood flow between two dogs is joined and one dog is stressed so that its heart rate goes up rapidly.What will happen to the heart rate of the second dog?

Correct AnswerverifiedShow Answer

Which of the following variables does not increase an individual's likelihood of developing a cardiovascular disease?

Correct AnswerverifiedShow Answer

The electrical changes that occur in the heart during contraction are recordings termed

Correct AnswerverifiedShow Answer

The blood vessel that provides oxygen to the heart tissue is the

Correct AnswerverifiedShow Answer

You are unable to see arteries and arterioles without a microscope.

Correct AnswerverifiedShow Answer

Which blood pressure is considered abnormally high for individuals who are under the age of 45?

Correct AnswerverifiedShow Answer

The two enzymes in the clotting process are

Correct AnswerverifiedShow Answer

Which of the following correctly traces the path of blood from the heart to the kidneys and back to the heart again?

Correct AnswerverifiedShow Answer

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