Question 1

Which association is correct?

Accepted Answer

A)   red blood cells-fight infection
B)   white blood cells-carry oxygen
C)   water-maintains blood volume
D)   oxygen-maintaining blood pH
E)   albumin-fights infectionF) A) and D)
G) A) and B)

Question 2

Which organ of the body contains very few, if any, capillary beds?

Accepted Answer

A)   the heart
B)   the cornea
C)   the liver
D)   the stomach
E)   the skinF) C) and E)
G) A) and B)

Question 3

The pacemaker of the heart is termed the

Accepted Answer

A)   AV node.
B)   cardiac center in the medulla.
C)   SA node.
D)   vagus nerve.
E)   Purkinje fibers.F) C) and E)
G) A) and B)

Question 4

The part of the circulation involved with pumping blood to and from the lungs is the

Accepted Answer

A)   systemic circuit.
B)   internal respiration circuit.
C)   microcirculation circuit.
D)   pulmonary circuit.
E)   ECG circuit.F) B) and C)
G) C) and E)

Question 5

Gender is a variable in assessing the likelihood of developing a cardiovascular disease.

Accepted Answer

A) True 
 B)False

Question 6

When arterioles constrict, blood pressure decreases.

Accepted Answer

A) True 
 B)False

Question 7

The heart rate speeds up or slows down because the

Accepted Answer

A)   AV node detects lower levels of oxygen and sends faster signals to the SA node.
B)   brain consciously detects the need for more oxygen and intentionally stimulates the heart.
C)   medulla oblongata, through the autonomic system, stimulates or depresses heart rate based on activity and stress.
D)   hormone epinephrine inhibits the heartbeat.
E)   SA node detects lower levels of oxygen and sends faster signals to the AV node.F) A) and B)
G) B) and D)

Question 8

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) C) and D)
G) A) and B)

Question 9

If a person has a blood pressure of 120/80, the "120" refers to the

Accepted Answer

A)   diastolic pressure.
B)   systolic pressure.
C)   pulse pressure.
D)   capillary pressure.
E)   venous pressure.F) B) and D)
G) A) and B)

Question 10

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 B)
G) B) and D)

Question 11

All arteries contain oxygenated blood and all veins contain nonoxygenated blood.

Accepted Answer

A) True 
 B)False

Question 12

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 → vena cava → renal vein → kidney → renal artery → aorta → right atrium
B)   right atrium → aorta → renal artery → kidney → renal vein → hepatic portal vein → vena cava → left atrium
C)   left ventricle → renal artery → kidney → renal vein → vena cava → right atrium
D)   left ventricle → aorta → renal artery → kidney → renal vein → vena cava → right atrium
E)   right ventricle → aorta → renal artery → kidney → renal vein → vena cava → hepatic portal vein → right atriumF) C) and E)
G) All of the above

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) C) and E)
G) B) and E)

Question 14

Which of the following is a true statement about tissue fluid?

Accepted Answer

A)   Tissue fluid exits from white blood cells.
B)   Tissue fluid exits the capillary at the venous end.
C)   Tissue fluid is collected by the lymphatic capillaries.
D)   Tissue fluid contains more protein than blood.
E)   Tissue fluid forms at the venous end of a capillary.F) A) and C)
G) A) and B)

Question 15

Contraction of the right ventricle forces blood initially into the

Accepted Answer

A)   left atrium.
B)   right atrium.
C)   aorta.
D)   pulmonary vein.
E)   pulmonary artery.F) A) and D)
G) A) and B)

Question 16

The pulmonary semilunar valve prevents blood from reentering the

Accepted Answer

A)   right atrium.
B)   left atrium.
C)   right ventricle.
D)   left ventricle.
E)   pulmonary trunk.F) A) and C)
G) A) and B)

Question 17

It may be possible to fix heart muscle that has been damaged using stem cell therapy.

Accepted Answer

A) True 
 B)False

Question 18

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) B) and E)
G) A) and C)

Question 19

A reading of 120/80 indicates blood velocity.

Accepted Answer

A) True 
 B)False

Question 20

Neutrophils and lymphocytes are types of

Accepted Answer

A)   platelets.
B)   red blood cells.
C)   white blood cells.
D)   plasma cells.
E)   epithelial cells.F) B) and D)
G) A) and D)

Exam 12: Cardiovascular System

If a person has a blood pressure of 120/80, the "120" refers to the

Correct AnswerverifiedShow Answer

The two enzymes in the clotting process are

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

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

Correct AnswerverifiedShow Answer

The part of the circulation involved with pumping blood to and from the lungs is the

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 is a true statement about tissue fluid?

Correct AnswerverifiedShow Answer

The pulmonary semilunar valve prevents blood from reentering the

Correct AnswerverifiedShow Answer

When arterioles constrict, blood pressure decreases.

Correct AnswerverifiedShow Answer

The heart rate speeds up or slows down because the

Correct AnswerverifiedShow Answer

It may be possible to fix heart muscle that has been damaged using stem cell therapy.

Correct AnswerverifiedShow Answer

All arteries contain oxygenated blood and all veins contain nonoxygenated blood.

Correct AnswerverifiedShow Answer

The pacemaker of the heart is termed the

Correct AnswerverifiedShow Answer

Which association is correct?

Correct AnswerverifiedShow Answer

A reading of 120/80 indicates blood velocity.

Correct AnswerverifiedShow Answer

Contraction of the right ventricle forces blood initially into the

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

Which organ of the body contains very few, if any, capillary beds?

Correct AnswerverifiedShow Answer

Gender is a variable in assessing the likelihood of developing a cardiovascular disease.

Correct AnswerverifiedShow Answer

Neutrophils and lymphocytes are types of

Correct AnswerverifiedShow Answer

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