Question 1

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 D)
F) None of the above

Question 2

Which valve is responsible for preventing the backflow of blood into the right ventricle?

Accepted Answer

A)   Pulmonary semilunar
B)   Aortic valve
C)   Tricuspid
D)   Bicuspid
E)   MitralF) B) and D)
G) None of the above

Question 3

Why is Type O blood the universal donor? Consider the antibodies in the plasma of a Type O in your discussion.

Accepted Answer

Type O is the universal donor because Ty...

Question 4

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) All of the above
G) B) and D) A

Question 5

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) C) and E)
G) C) and D)

Question 6

Which of the following organisms will contain hemolymph as the fluid of their circulatory system?

Accepted Answer

A)   grasshopper
B)   sea star
C)   molluscs
D)   All of the answer choices have hemolymphE) None of the above
F) A) and B)

Question 7

What would you find in the heart of most reptiles?

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

Question 8

What would you find in the heart of an amphibian?

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) A) and C)
G) All of the above

Question 9

Describe why there is no Rh factor conflict if the mother is Rh positive and the father is Rh negative.

Accepted Answer

If the father is Rh negative and the mot...

Question 10

Which of the following has a four-chambered heart like humans?

Accepted Answer

A)   birds
B)   some reptiles
C)   amphibians
D)   All of the choices are correct.
E)   Birds and some reptiles.F) A) and E)
G) A) and B)

Question 11

Which of the following features enable organisms like planarian to respire and exchange nutrients?

Accepted Answer

A)   a trilobed gastrovascular cavity
B)   closed circulatory system
C)   an open circulatory system
D)   coelomic fluidE) B) and C)
F) None of the above

Question 12

After leaving our left ventricle, blood next passes through the

Accepted Answer

A)   vena cava.
B)   aorta.
C)   atrioventricular valve.
D)   semilunar valve.
E)   left atrium.F) A) and C)
G) C) and D) D

Question 13

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 D)
G) C) and E)

Question 14

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
E)   ventricle - systemic circuit - left atriumF) C) and E)
G) C) and D)

Question 15

Which structure does blood pass through immediately before it enters the left ventricle?

Accepted Answer

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

Question 16

All capillary beds have blood running to them at all times.

Accepted Answer

A) True 
 B)False

Question 17

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

Question 18

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) A) and D)
F) A) and C)

Question 19

Briefly discuss the cardiac cycle. Include the time of the phases and what occurs in the atria and the ventricles. Define and use the terms systole and diastole.

Accepted Answer

Systole refers to the contraction of the...

Question 20

The circulatory system is the only way by which an animal can supply oxygen and nutrients to its cells, or remove waste materials from the cells.

Accepted Answer

A) True 
 B)False

Exam 32: Circulation and Cardiovascular Systems

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 valve is responsible for preventing the backflow of blood into the right ventricle?

Correct AnswerverifiedShow Answer

Why is Type O blood the universal donor? Consider the antibodies in the plasma of a Type O in your discussion.

Correct AnswerverifiedType O is the universal donor because Ty...View AnswerShow 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 AnswerverifiedA

Which statement is NOT true about red blood cells?

Correct AnswerverifiedShow Answer

Which of the following organisms will contain hemolymph as the fluid of their circulatory system?

Correct AnswerverifiedShow Answer

What would you find in the heart of most reptiles?

Correct AnswerverifiedShow Answer

What would you find in the heart of an amphibian?

Correct AnswerverifiedShow Answer

Describe why there is no Rh factor conflict if the mother is Rh positive and the father is Rh negative.

Correct AnswerverifiedIf the father is Rh negative and the mot...View AnswerShow Answer

Which of the following has a four-chambered heart like humans?

Correct AnswerverifiedShow Answer

Which of the following features enable organisms like planarian to respire and exchange nutrients?

Correct AnswerverifiedShow Answer

After leaving our left ventricle, blood next passes through the

Correct AnswerverifiedD

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

Which structure does blood pass through immediately before it enters the left ventricle?

Correct AnswerverifiedC

All capillary beds have blood running to them at all times.

Correct AnswerverifiedShow Answer

Which would you find in the heart of a fish?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Briefly discuss the cardiac cycle. Include the time of the phases and what occurs in the atria and the ventricles. Define and use the terms systole and diastole.

Correct AnswerverifiedSystole refers to the contraction of the...View AnswerShow Answer

The circulatory system is the only way by which an animal can supply oxygen and nutrients to its cells, or remove waste materials from the cells.

Correct AnswerverifiedShow Answer

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Type O is the universal donor because Ty...
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If the father is Rh negative and the mot...
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D

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C

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Systole refers to the contraction of the...
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