Question 1

The SA node initiates the heartbeat by automatically sending out impulses causing the atria to contract.

Accepted Answer

A) True 
 B)False

Question 2

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

Accepted Answer

A person with type O blood is a universa...

Question 3

Major cardiovascular disorders include all of the following EXCEPT

Accepted Answer

A)  atherosclerosis.
B)  stroke.
C)  hypertension.
D)  diabetes.E) C) and D)
F) A) and B)

Question 4

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) A) and C)

Question 5

Describe what is occurring at tissue and system level as someone is developing atherosclerosis.

Accepted Answer

An accumulation of fatty materials,parti...

Question 6

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 B)
G) B) and E)

Question 7

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 D)
G) A) and B) C

Question 8

Why is an Rh factor conflict usually a problem only for the second child and subsequent children born to the Rh negative mother? When it is a problem for the first child?

Accepted Answer

An Rh factor conflict is normally a prob...

Question 9

Which of the following features are found in invertebrates that enable them to exchange nutrients and gases without the use of a circulatory system?

Accepted Answer

A)  trilobed gastrovascular cavity
B)  coelomic fluid within the body cavity
C)  exposure of the cells to the external or internal environment
D)  All of these features enable invertebrates to exchange gases and nutrients without a circulatory system.E) None of the above
F) All of the above

Question 10

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

Question 11

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) B) and E)
G) B) and D)

Question 12

A person with B positive blood will have

Accepted Answer

A)  A antigens,antibodies to B,and Rh antigens.
B)  B antibodies,antibodies to A,and Rh antigens.
C)  B antigens,antibodies to A,and no Rh antigens.
D)  B antigens,antibodies to A,and Rh antigens.
E)  B antigens,antibodies to B,and Rh antigens.F) A) and B)
G) A) and C) D

Question 13

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) None of the above
F) All of the above

Question 14

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

Question 15

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 hemolymph.E) A) and B)
F) A) and C)

Question 16

A heart murmur is a distortion of the heartbeat due to blood flowing back through a valve that should be closed.If the heart sound is lub-dub-ssshhh,the most likely cause is a failure of the

Accepted Answer

A)  atrioventricular valves.
B)  semilunar valves.
C)  mitral (bicuspid) valve.
D)  AV node to signal contraction.
E)  sinoatrial node to signal contraction.F) A) and E)
G) All of the above

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

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 hemocoel.
E)  The blood within a closed circulatory system does not contain hemoglobin.F) A) and E)
G) None of the above

Question 19

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

Question 20

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...

Exam 32: Circulation and Cardiovascular Systems

The SA node initiates the heartbeat by automatically sending out impulses causing the atria to contract.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedA person with type O blood is a universa...View AnswerShow Answer

Major cardiovascular disorders include all of the following EXCEPT

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Describe what is occurring at tissue and system level as someone is developing atherosclerosis.

Correct AnswerverifiedAn accumulation of fatty materials,parti...View AnswerShow Answer

After leaving our left ventricle,blood next passes through the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedC

Why is an Rh factor conflict usually a problem only for the second child and subsequent children born to the Rh negative mother? When it is a problem for the first child?

Correct AnswerverifiedAn Rh factor conflict is normally a prob...View AnswerShow Answer

Which of the following features are found in invertebrates that enable them to exchange nutrients and gases without the use of a circulatory system?

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

Correct AnswerverifiedShow Answer

A person with B positive blood will have

Correct AnswerverifiedD

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A heart murmur is a distortion of the heartbeat due to blood flowing back through a valve that should be closed.If the heart sound is lub-dub-ssshhh,the most likely cause is a failure of the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedD

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

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A person with type O blood is a universa...
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An accumulation of fatty materials,parti...
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C

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An Rh factor conflict is normally a prob...
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D

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D

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