Question 1

Identify the correct flow of blood through a one-circuit system.

Accepted Answer

A)   ventricle - gill capillaries - systemic capillaries - sinus venosus - atrium
B)   ventricle - systemic capillaries - gill capillaries - sinus venosus - atrium
C)   ventricle - gill capillaries - systemic capillaries - atrium - sinus venosus
D)   ventricle - pulmonary capillaries - atrium - aorta - systemic capillariesE) None of the above
F) A) and B)

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 B)
G) C) and D)

Question 3

Sphincter muscles regulate the opening and closing of the capillary beds, directing the flow of blood to different areas of the body depending on the body's needs.

Accepted Answer

A) True 
 B)False

Question 4

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 5

Cnidaria and flatworms exchange gases and remove wastes by way of their

Accepted Answer

A)   open circulatory systems.
B)   closed circulatory systems.
C)   gastrovascular cavities.
D)   moist skin surfaces.
E)   respiratory and excretory systems.F) B) and C)
G) A) and E)

Question 6

The coronary arteries are important because they serve the

Accepted Answer

A)   intestine and liver.
B)   brain.
C)   lungs.
D)   heart.
E)   urinary tract.F) B) and E)
G) A) and D)

Question 7

Major cardiovascular disorders include all of the following EXCEPT

Accepted Answer

A)   atherosclerosis.
B)   stroke.
C)   hypertension.
D)   diabetes.E) A) and B)
F) All of the above

Question 8

The hemocoel is an open space in an insect that contains blood outside of the vessels.

Accepted Answer

A) True 
 B)False

Question 9

The SA node receives the initial electrical impulse that will trigger the atrial fibers to contract.

Accepted Answer

A) True 
 B)False

Question 10

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 C)
G) A) and E)

Question 11

What two forces control the movement of fluid through the capillary wall?

Accepted Answer

A)   the thickness of the capillary wall and the number of cilia
B)   blood pressure and osmotic pressure
C)   the oxygen and nitrogen concentration
D)   the number of veins and arteriesE) None of the above
F) B) and C)

Question 12

What would you find in the heart of a human?

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) None of the above

Question 13

Open circulatory systems are characterized by the presence of hemolymph as seen in annelids.

Accepted Answer

A) True 
 B)False

Question 14

What is the main difference between blood and hemolymph?

Accepted Answer

A)   Blood is always contained within the blood vessels while lymph fills the body cavity.
B)   Hemolymph is always contained within the blood vessels while blood fills the body cavity.
C)   Hemolymph is never carried in blood vessels.
D)   Blood will transport oxygen and nutrients while lymph will only transport oxygen.E) B) and D)
F) B) and C)

Question 15

The leading cause of preventable death in the United States is cardiovascular disease. Which of the following are lifestyle modifications that would lower a person's risk of CVD?

Accepted Answer

A)   not smoking
B)   lose weight
C)   lower fat intake
D)   All of the choices are means of lowering risk for CVD.E) A) and C)
F) None of the above

Question 16

A person who is B positive 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) D) and E)
G) B) and D)

Question 17

"Artery" and "vein" are defined by whether they leave or enter the heart. If they were defined by whether they carried oxygenated or deoxygenated blood, we would have to change the name(s)  of

Accepted Answer

A)   the hepatic portal vein to a hepatic portal artery.
B)   the hepatic and renal systems; they would have to be switched.
C)   the pulmonary artery and vein; they would have to be switched.
D)   the coronary artery and vein; they would have to be switched.
E)   none, since the aorta and vena cava do not have "artery" and "vein" in their name.F) C) and D)
G) A) and D)

Question 18

The pacemaker of the cardiac conduction system is the

Accepted Answer

A)   atrioventricular node.
B)   sinoatrial node.
C)   medulla oblongata.
D)   Purkinje fibers.E) A) and D)
F) A) and C)

Question 19

The structure that absorbs nutrients from the small intestines and delivers the nutrients in the blood to the liver is the

Accepted Answer

A)   hepatic portal artery.
B)   hepatic portal vein.
C)   renal vein.
D)   None of the choices are correct.E) B) and C)
F) None of the above

Question 20

Match the type of circulatory system with the organism in which it is found.

Accepted Answer

The answer of Match the type of circulatory system with...

Exam 32: Circulation and Cardiovascular Systems

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

Correct AnswerverifiedShow Answer

Open circulatory systems are characterized by the presence of hemolymph as seen in annelids.

Correct AnswerverifiedShow Answer

"Artery" and "vein" are defined by whether they leave or enter the heart. If they were defined by whether they carried oxygenated or deoxygenated blood, we would have to change the name(s) of

Correct AnswerverifiedShow Answer

The hemocoel is an open space in an insect that contains blood outside of the vessels.

Correct AnswerverifiedShow Answer

Match the type of circulatory system with the organism in which it is found.

Correct AnswerverifiedShow Answer

The coronary arteries are important because they serve the

Correct AnswerverifiedShow Answer

Identify the correct flow of blood through a one-circuit system.

Correct AnswerverifiedShow Answer

What would you find in the heart of a human?

Correct AnswerverifiedShow Answer

What two forces control the movement of fluid through the capillary wall?

Correct AnswerverifiedShow Answer

What is the main difference between blood and hemolymph?

Correct AnswerverifiedShow Answer

The structure that absorbs nutrients from the small intestines and delivers the nutrients in the blood to the liver is the

Correct AnswerverifiedShow Answer

Major cardiovascular disorders include all of the following EXCEPT

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

A person who is B positive will have

Correct AnswerverifiedShow Answer

The SA node receives the initial electrical impulse that will trigger the atrial fibers to contract.

Correct AnswerverifiedShow Answer

Cnidaria and flatworms exchange gases and remove wastes by way of their

Correct AnswerverifiedShow Answer

The leading cause of preventable death in the United States is cardiovascular disease. Which of the following are lifestyle modifications that would lower a person's risk of CVD?

Correct AnswerverifiedShow Answer

Sphincter muscles regulate the opening and closing of the capillary beds, directing the flow of blood to different areas of the body depending on the body's needs.

Correct AnswerverifiedShow Answer

The pacemaker of the cardiac conduction system is the

Correct AnswerverifiedShow Answer

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An Rh factor conflict is normally a prob...
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