Question 1

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

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

Question 3

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

Question 4

Veins primarily depend upon which of the following forces to return blood to the heart?

Accepted Answer

A)   force of blood entering from the arteries
B)   skeletal muscle contraction
C)   valves to prevent blood back flow
D)   All of the choices apply.E) A) and B)
F) None of the above

Question 5

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

Question 6

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

Question 7

Platelets will release prothrombin activator at the site of an injury to initiate the clotting sequence.

Accepted Answer

A) True 
 B)False

Question 8

What is the correct order of blood flow through the cardiovascular system?

Accepted Answer

A)   Heart - artery - arterioles - capillaries - venules - veins
B)   Heart - arterioles - artery - capillary - venules - veins
C)   Heart - artery - arterioles - capillaries - veins - venules
D)   Capillaries - venules - veins - heart - arterioles - artery
E)   Capillaries - arterioles - artery - heart - venules - veinsF) B) and D)
G) B) and C)

Question 9

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

Question 10

The human heart is composed of

Accepted Answer

A)   muscle fibers called myocardium.
B)   an outer membranous sac called the pericardium.
C)   endocardium.
D)   All of the choices are correct.
E)   cardiac muscle fibers.F) A) and C)
G) D) and E)

Question 11

Which group of vertebrates will lack a pulmonary circuit?

Accepted Answer

A)   fish
B)   frogs
C)   birds
D)   annelids
E)   mammalsF) B) and C)
G) A) and C)

Question 12

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) B) and E)
G) None of the above

Question 13

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 answer choices are caused by a narrowing of the arteries.E) C) and D)
F) A) and B)

Question 14

When you step on a cockroach or smash a fly, the blood appears colorless because

Accepted Answer

A)   the blood is enclosed in a closed circulatory system.
B)   the blood is actually a colorless hemolymph that carries oxygen on molecules other than reddish hemoglobin.
C)   there are no cells in the hemolymph.
D)   it does not contain hemoglobin or any other respiratory pigment.E) C) and D)
F) A) and D)

Question 15

Which of these white blood cells are phagocytic?

Accepted Answer

A)   lymphocytes
B)   neutrophils
C)   macrophages
D)   both neutrophils and macrophages
E)   both lymphocytes and macrophagesF) B) and C)
G) A) and E)

Question 16

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 C)
F) A) and B)

Question 17

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

Accepted Answer

An accumulation of fatty materials, part...

Exam 32: Circulation and Cardiovascular Systems

Which of these white blood cells are phagocytic?

Correct Answer
verified

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

Correct Answer
verified
An accumulation of fatty materials, part...
View Answer

When you step on a cockroach or smash a fly, the blood appears colorless because

Correct Answer
verified

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 Answer
verified

Which group of vertebrates will lack a pulmonary circuit?

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

What is the correct order of blood flow through the cardiovascular system?

Correct Answer
verified

Platelets will release prothrombin activator at the site of an injury to initiate the clotting sequence.

Correct Answer
verified

The human heart is composed of

Correct Answer
verified

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

Correct Answer
verified

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

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

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

Correct Answer
verified

Which description best fits that of an open circulatory system?

Correct Answer
verified

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

Correct Answer
verified

Veins primarily depend upon which of the following forces to return blood to the heart?

Correct Answer
verified

Correct Answer
verified

Exam 32: Circulation and Cardiovascular Systems

Which of these white blood cells are phagocytic?

Correct AnswerverifiedShow Answer

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

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

When you step on a cockroach or smash a fly, the blood appears colorless because

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

Which group of vertebrates will lack a pulmonary circuit?

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

What is the correct order of blood flow through the cardiovascular system?

Correct AnswerverifiedShow Answer

Platelets will release prothrombin activator at the site of an injury to initiate the clotting sequence.

Correct AnswerverifiedShow Answer

The human heart is composed of

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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

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

Correct AnswerverifiedShow Answer

Which description best fits that of an open circulatory system?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Veins primarily depend upon which of the following forces to return blood to the heart?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
An accumulation of fatty materials, part...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified