Question 1

Which would you find in the heart of a fish?

Accepted Answer

A)  one atrium and one ventricle
B)  two atria and one ventricle
C)  one atrium and two ventricles
D)  two atria and two ventricles
E)  two atria and a partially divided ventricleF) C) and D)
G) B) and E)

Question 2

Which structure does blood pass through immediately before entering the right atrium?

Accepted Answer

A)  vena cava
B)  aorta
C)  atrioventricular valve
D)  semilunar valve
E)  left atriumF) A) and D)
G) A) and E)

Question 3

Identify the correct pathway of blood flow through a two circuit pathway.

Accepted Answer

A)  ventricle - systemic circuit - right atrium ventricle - pulmonary circuit - left atrium
B)  right atrium - ventricle - systemic circuit left atrium - ventricle - pulmonary circuit
C)  ventricle - gill capillaries - aorta - systemic circuit - atrium
D)  right atrium - systemic circuit - ventricle left atrium - pulmonary circuit - ventricle
E)  ventricle - systemic circuit - left atrium ventricle - pulmonary circuit - right atriumF) A) and C)
G) A) and E)

Question 4

Which statement is NOT true about red blood cells?

Accepted Answer

A)  They are biconcave disks that lack nuclei when mature.
B)  Their normal life span is about 120 days.
C)  Hemoglobin is a protein that binds oxygen loosely to transport it.
D)  There are about 6 million red blood cells per cubic millimeter of whole blood.
E)  They are mainly produced in the liver.F) D) and E)
G) A) and B)

Question 5

The human heart is composed of

Accepted Answer

A)  muscle fibers called myocardium.
B)  an outer membranous sac called the pericardium.
C)  endocardium.
D)  All of the choices are correct.
E)  smooth muscle fibers.F) A) and C)
G) A) and E)

Question 6

Which type of blood component is involved in the initiation of clotting?

Accepted Answer

A)  red blood cells
B)  white blood cells
C)  plasma proteins
D)  plateletsE) C) and D)
F) None of the above

Question 7

Which organism has hemoglobin located in the fluid portion of the blood,giving it a red appearance?

Accepted Answer

A)  human
B)  grasshopper
C)  bird
D)  earthworm
E)  flatwormF) A) and D)
G) C) and D)

Question 8

As the heart contracts it forces the blood out with a great deal of force.Damage to which blood vessel will result in a forceful spraying of blood?

Accepted Answer

A)  artery
B)  vein
C)  capillary
D)  arteriole
E)  Damage to any of the blood vessels will result in a forceful spray of blood.F) B) and E)
G) A) and B)

Question 9

Which of these white blood cells are phagocytic?

Accepted Answer

A)  lymphocytes
B)  neutrophils
C)  macrophages
D)  both neutrophils and macrophages
E)  both lymphocytes and macrophagesF) B) and E)
G) D) and E)

Question 10

During capillary exchange,what will occur if the blood pressure at the arterial end were to decrease and become lower than the osmotic pressure?

Accepted Answer

A)  Water would not leave the blood stream which could disrupt the movement of oxygen and carbon dioxide through the membrane.
B)  Water will leave the blood stream allowing oxygen and carbon dioxide to diffuse out of the blood stream.
C)  Oxygen and carbon dioxide will increase their rate of diffusion into the interstitial fluid.
D)  Nothing will occur because the blood pressure does not impact the movement of gases.E) A) and B)
F) B) and C)

Question 11

What is the main difference between an open circulatory system and a closed one?

Accepted Answer

A)  An open system will have the blood leave the blood vessels and dump into the hemocoel while the closed one will retain the blood within the system.
B)  An open system will keep the blood within the blood vessels while the closed one will dump the blood into the hemocoel.
C)  An open system will have the blood leave the blood vessels and dump into the lungs or gills while the closed one will retain the blood within the system.
D)  An open system will have the blood leave the blood vessels and dump into the lungs or gills while the closed one will retain the blood within the heomocoel.
E)  The blood within a closed circulatory system does not contain hemoglobin.F) A) and E)
G) A) and D)

Exam 32: Circulation and Cardiovascular Systems

Which would you find in the heart of a fish?

Correct Answer
verified

What is the main difference between an open circulatory system and a closed one?

Correct Answer
verified

Identify the correct pathway of blood flow through a two circuit pathway.

Correct Answer
verified

The human heart is composed of

Correct Answer
verified

Which structure does blood pass through immediately before entering the right atrium?

Correct Answer
verified

Which of these white blood cells are phagocytic?

Correct Answer
verified

As the heart contracts it forces the blood out with a great deal of force.Damage to which blood vessel will result in a forceful spraying of blood?

Correct Answer
verified

Which organism has hemoglobin located in the fluid portion of the blood,giving it a red appearance?

Correct Answer
verified

During capillary exchange,what will occur if the blood pressure at the arterial end were to decrease and become lower than the osmotic pressure?

Correct Answer
verified

Which statement is NOT true about red blood cells?

Correct Answer
verified

Which type of blood component is involved in the initiation of clotting?

Correct Answer
verified

Exam 32: Circulation and Cardiovascular Systems

Which would you find in the heart of a fish?

Correct AnswerverifiedShow Answer

What is the main difference between an open circulatory system and a closed one?

Correct AnswerverifiedShow Answer

Identify the correct pathway of blood flow through a two circuit pathway.

Correct AnswerverifiedShow Answer

The human heart is composed of

Correct AnswerverifiedShow Answer

Which structure does blood pass through immediately before entering the right atrium?

Correct AnswerverifiedShow Answer

Which of these white blood cells are phagocytic?

Correct AnswerverifiedShow Answer

As the heart contracts it forces the blood out with a great deal of force.Damage to which blood vessel will result in a forceful spraying of blood?

Correct AnswerverifiedShow Answer

Which organism has hemoglobin located in the fluid portion of the blood,giving it a red appearance?

Correct AnswerverifiedShow Answer

During capillary exchange,what will occur if the blood pressure at the arterial end were to decrease and become lower than the osmotic pressure?

Correct AnswerverifiedShow Answer

Which statement is NOT true about red blood cells?

Correct AnswerverifiedShow Answer

Which type of blood component is involved in the initiation of clotting?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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