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

Question 2

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 capillaries 
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 capillaries A

Question 3

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 ventricle 
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 ventricle D

Question 4

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

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

Question 6

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

Question 7

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) macrophage 
A) neutrophils 
B) B lymphocytes 
C) monocytes 
D) eosinophils 
E) macrophage

Question 8

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

Question 9

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

Question 10

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 11

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 - b 
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 - b

Question 12

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: 1,2,6,7,4,3,5 
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: 1,2,6,7,4,3,5

Question 13

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. 
A) not smoking 
B) lose weight 
C) lower fat intake 
D) All of the choices are means of lowering risk for CVD.

Question 14

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 atrium 
A) vena cava 
B) aorta 
C) atrioventricular valve 
D) semilunar valve 
E) left atrium

Question 15

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. 
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.

Question 16

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 17

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 arteries 
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 arteries

Question 18

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. 
A) hypertension 
B) stroke 
C) heart attack 
D) All of the above are due to a narrowing of the arteries.

Question 19

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. 
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.

Question 20

The coronary arteries are important because they serve the

Accepted Answer

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

Exam 32: Circulation and Cardiovascular Systems

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

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

What would you find in the heart of a human?

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

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

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

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

After leaving our left ventricle,blood next passes through the

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

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.

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

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?

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

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

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.

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

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

Which description best fits that of an open circulatory system?

The coronary arteries are important because they serve the

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