Question 1

What would cause you to believe that someone has a heart murmur?

Accepted Answer

A)  an irregular ECG
B)  irregular heart sounds instead of sharp lub-dub sounds
C)  irregular heart beats
D)  low blood pressureE) B) and D)
F) C) and D) B

Question 2

The vessels in our circulatory system that allow molecules to diffuse across to tissues are

Accepted Answer

A)  arteries.
B)  veins.
C)  capillaries.
D)  lymph vessels.
E)  venules.F) C) and E)
G) A) and C)

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

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

Question 5

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) D) and E)

Question 6

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

Question 7

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

Question 8

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 E)
G) A) and B)

Question 9

Which description best fits that of an open circulatory system?

Accepted Answer

A)  The heart pumps hemolymph into tissue spaces that are enlarged into saclike sinuses.
B)  The heart pumps blood across gills and then into tissue spaces that are enlarged into saclike sinuses.
C)  Gases diffuse across a cutaneous membrane and then move into tissue spaces that are enlarged into saclike sinuses.
D)  The heart pumps hemolymph into tissue spaces that route the fluid across the gills for gas exchange.E) All of the above
F) C) and D)

Question 10

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

Accepted Answer

A) True 
 B)False

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) A) and B)
F) None of the above

Question 12

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

Question 13

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

Question 14

Which kind of white blood cell is involved in the production of antibodies?

Accepted Answer

A)  neutrophils
B)  B lymphocytes
C)  monocytes
D)  eosinophils
E)  macrophageF) All of the above
G) A) and D)

Question 15

Identify the correct sequence of events for the formation of a blood clot.

Accepted Answer

A)  a - e - d - b - f - c
B)  e - d - b - f - c - a
C)  a- b - f - c - e - d
D)  f - c - d - a - e - bE) A) and C)
F) B) and D)

Question 16

Describe the events that occur in the clotting of blood by choosing the correct sequence of statements that outlines the process. 1.Platelets and injured tissue release prothrombin activator.
2) The activated fragments join end-to-end,forming long threads.
3) Platelets clump at the sight of puncture and partially seal the leak.
4) Fibrin threads wind around the platelet plug in the damaged area and provide a framework for the clot.
5) Thrombin,acting as an enzyme,severs two amino acid chains (activated fragments) from each fibrinogen molecule.
6) Prothrombin activator converts prothrombin to thrombin.
7) Red blood cells are trapped within the fibrin framework forming a clot.

Accepted Answer

A)  Sequence: 7,4,5,2,3,1,6
B)  Sequence: 3,1,6,5,2,4,7
C)  Sequence: 4,5,6,7,3,2,1
D)  Sequence: 1,2,6,7,4,3,5E) None of the above
F) A) and C)

Question 17

Which of the following cardiovascular diseases is caused by a narrowing of the arteries causing the heart to work harder when pumping?

Accepted Answer

A)  hypertension
B)  stroke
C)  heart attack
D)  All of the above are due to a narrowing of the arteries.E) B) and C)
F) None of the above

Question 18

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

Question 19

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) A) and D)
F) A) and B)

Question 20

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

Exam 32: Circulation and Cardiovascular Systems

What would cause you to believe that someone has a heart murmur?

Correct Answer
verified
B

The vessels in our circulatory system that allow molecules to diffuse across to tissues are

Correct Answer
verified

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 Answer
verified

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 Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

What would you find in the heart of a human?

Correct Answer
verified
D

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

Correct Answer
verified

Which description best fits that of an open circulatory system?

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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 Answer
verified

After leaving our left ventricle,blood next passes through the

Correct Answer
verified

Which kind of white blood cell is involved in the production of antibodies?

Correct Answer
verified

Identify the correct sequence of events for the formation of a blood clot.

Correct Answer
verified

Correct Answer
verified

Which of the following cardiovascular diseases is caused by a narrowing of the arteries causing the heart to work harder when pumping?

Correct Answer
verified

The coronary arteries are important because they serve the

Correct Answer
verified

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 Answer
verified

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

Correct Answer
verified
A

Exam 32: Circulation and Cardiovascular Systems

What would cause you to believe that someone has a heart murmur?

Correct AnswerverifiedB

The vessels in our circulatory system that allow molecules to diffuse across to tissues are

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 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

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What would you find in the heart of a human?

Correct AnswerverifiedD

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

Correct AnswerverifiedShow Answer

Which description best fits that of an open circulatory system?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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

After leaving our left ventricle,blood next passes through the

Correct AnswerverifiedShow Answer

Which kind of white blood cell is involved in the production of antibodies?

Correct AnswerverifiedShow Answer

Identify the correct sequence of events for the formation of a blood clot.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following cardiovascular diseases is caused by a narrowing of the arteries causing the heart to work harder when pumping?

Correct AnswerverifiedShow Answer

The coronary arteries are important because they serve the

Correct AnswerverifiedShow 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

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

Correct AnswerverifiedA

Correct Answer
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B

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D

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A