Question 1

How is it that animals such as hydras and flatworms do not have a traditional circulatory system,yet they are capable of gas exchange?

Accepted Answer

A)  Hydra and flatworms exchange gases across the cells that line the gastrovascular cavity.
B)  Hydra and flatworms exchange gases across the cells of their coelom.
C)  Hydra and flatworms exchange gases across the cells of their gill cavity.
D)  Hydra and flatworms exchange gases across the cells of their skin performing cutaneous respiration.
E)  Hydra and flatworms exchange gases across the cells of their lungs.F) A) and D)
G) A) and C)

Question 2

During a single heartbeat,first the ____________ contracts,and then the _____________ contracts.

Accepted Answer

A)  SA node;AV node
B)  Ventricles;atria
C)  AV node;SA node
D)  SA node;ventricles
E)  Atria;ventriclesF) A) and E)
G) A) and C)

Question 3

-This figure shows the anatomy of a capillary bed.What does "c" represent?

Accepted Answer

A)  Vein
B)  Arteriole
C)  Venule
D)  Precapillary sphincter
E)  ArteryF) All of the above
G) A) and E)

Question 4

If you are studying the blood vessel(s) that serve the heart muscle oxygen and nutrients,which of the following would you be studying?

Accepted Answer

A)  The pulmonary
B)  The coronary
C)  The aorta
D)  The vena cava
E)  The hepatic portalF) A) and B)
G) All of the above

Question 5

How does the lymphatic system contribute to the maintenance of blood pressure?

Accepted Answer

A)  The lymphatic system returns excess tissue fluid to the blood stream at the level of the subclavian veins
B)  The lymphatic system returns excess tissue fluid to the blood stream at the level of the hepatic portal veins
C)  The lymphatic system removes excess tissue fluid from the blood stream at the level of the subclavian veins
D)  The lymphatic system filters out excess nutrients from the blood stream and stores them until needed
E)  The lymphatic system returns excess nutrients and ions to the blood stream at the level of the subclavian veinsF) A) and E)
G) B) and D)

Question 6

Which of the following is not a component of plasma?

Accepted Answer

A)  Water
B)  Salts
C)  Nutrients
D)  Red blood cells
E)  ProteinsF) B) and E)
G) B) and C)

Question 7

-This figure shows the anatomy of the mammalian heart.What does "e" represent?

Accepted Answer

A)  The aorta
B)  The superior vena cava
C)  The right atrium
D)  The left ventricle
E)  The pulmonary trunkF) A) and C)
G) None of the above

Question 8

Organisms like earthworms which have a coelom,would have which type of circulatory system?

Accepted Answer

A)  A heart that has two chambers
B)  A single-loop circulatory pathway
C)  A single heart that pump bloods into vessels that allow for gas exchange next to the moist body wall
D)  A series of hearts that will pump blood into vessels that allow for gas exchange next to the moist body wall
E)  A series of hearts that will pump blood into vessels that allow for gas exchange within capillary bedsF) None of the above
G) A) and D)

Question 9

A circulatory system would have all of the following functions except:

Accepted Answer

A)  It takes oxygen to tissues.
B)  It takes waste away from tissues.
C)  It takes carbon monoxide away from tissues.
D)  It takes carbon dioxide away from tissues.
E)  It takes nutrients to tissues.F) D) and E)
G) All of the above

Question 10

The alternating expansion and recoil of an arterial wall is termed a(n) :

Accepted Answer

A)  ECG
B)  Diastole
C)  Pulse
D)  Hypertension
E)  Heart murmurF) B) and E)
G) B) and D)

Question 11

Which of the following is not one of the functions of the hepatic portal system?

Accepted Answer

A)  Maintain homeostasis
B)  Modify substances absorbed in the intestines
C)  Remove toxins from the intestines
D)  Monitor the composition of the blood
E)  All of these are functions of the hepatic portal system.F) B) and C)
G) B) and D)

Question 12

If you were studying the type of circulatory system which has blood that always flows within vessels,and one or more hearts,you would be studying:

Accepted Answer

A)  An open circulatory system
B)  A cardiac circulatory system
C)  A hemolymph circulatory system
D)  A systemic circulatory system
E)  A closed circulatory systemF) B) and C)
G) A) and E)

Question 13

Which of the following group of organisms have a closed circulatory system?

Accepted Answer

A)  Hydra
B)  Grasshoppers
C)  Earthworms
D)  Crayfish
E)  ClamsF) A) and B)
G) C) and E)

Question 14

Substances exchanged at a capillary move out of the capillary by ______________ at the arterial end and into the capillary by __________ at the venous end.

Accepted Answer

A)  Blood pressure;lymphatic pressure
B)  Osmotic pressure;venous pressure
C)  Osmotic pressure;lymphatic pressure
D)  Blood pressure;osmotic pressure
E)  Osmotic pressure;blood pressureF) C) and D)
G) All of the above

Question 15

If you were tracing the path of blood from the right to the left side of the heart,you must mention the:

Accepted Answer

A)  Aorta
B)  Hepatic portal vein
C)  Lungs
D)  Superior vena cava
E)  Inferior vena cavaF) D) and E)
G) A) and D)

Question 16

What is the correct sequence a drop of blood returning from the body encounters in the heart chambers?

Accepted Answer

A)  Left atrium,left ventricle,right atrium,right ventricle
B)  Left ventricle,left atrium,right ventricle,right atrium
C)  Right atrium,left atrium,left ventricle,right ventricle
D)  Right atrium,left ventricle,left atrium,right ventricle
E)  Right atrium,right ventricle,left atrium,left ventricleF) B) and C)
G) D) and E)

Question 17

Contraction of the right ventricle forces blood initially into the:

Accepted Answer

A)  Pulmonary trunk
B)  Right atrium
C)  Aorta
D)  Pulmonary vein
E)  Left atriumF) D) and E)
G) C) and D)

Question 18

Which of the following blood types can receive blood from any donor?

Accepted Answer

A)  Type A
B)  Type AB
C)  Type O
D)  Type B
E)  There is no such thing as a universal recipient.F) None of the above
G) A) and C)

Question 19

If you were studying the function of blood which of the following would not be included in your studies?

Accepted Answer

A)  Helps regulate body temperature
B)  Production of oxygen
C)  Forms clots
D)  Defends body
E)  Transports substances throughout bodyF) All of the above
G) A) and B)

Question 20

A person with type A blood has which of the following on the outside of their red blood cells?

Accepted Answer

A)  B antigens
B)  B antibodies
C)  A antibodies
D)  No antigens or antibodies
E)  A antigensF) All of the above
G) A) and E)

Exam 30: Circulation and Cardiovascular Systems

Contraction of the right ventricle forces blood initially into the:

Correct AnswerverifiedShow Answer

If you were tracing the path of blood from the right to the left side of the heart,you must mention the:

Correct AnswerverifiedShow Answer

-This figure shows the anatomy of the mammalian heart.What does "e" represent?

Correct AnswerverifiedShow Answer

A circulatory system would have all of the following functions except:

Correct AnswerverifiedShow Answer

During a single heartbeat,first the ____________ contracts,and then the _____________ contracts.

Correct AnswerverifiedShow Answer

Substances exchanged at a capillary move out of the capillary by ______________ at the arterial end and into the capillary by __________ at the venous end.

Correct AnswerverifiedShow Answer

If you were studying the function of blood which of the following would not be included in your studies?

Correct AnswerverifiedShow Answer

A person with type A blood has which of the following on the outside of their red blood cells?

Correct AnswerverifiedShow Answer

How does the lymphatic system contribute to the maintenance of blood pressure?

Correct AnswerverifiedShow Answer

Which of the following blood types can receive blood from any donor?

Correct AnswerverifiedShow Answer

Organisms like earthworms which have a coelom,would have which type of circulatory system?

Correct AnswerverifiedShow Answer

If you were studying the type of circulatory system which has blood that always flows within vessels,and one or more hearts,you would be studying:

Correct AnswerverifiedShow Answer

The alternating expansion and recoil of an arterial wall is termed a(n) :

Correct AnswerverifiedShow Answer

Which of the following is not a component of plasma?

Correct AnswerverifiedShow Answer

Which of the following group of organisms have a closed circulatory system?

Correct AnswerverifiedShow Answer

What is the correct sequence a drop of blood returning from the body encounters in the heart chambers?

Correct AnswerverifiedShow Answer

If you are studying the blood vessel(s) that serve the heart muscle oxygen and nutrients,which of the following would you be studying?

Correct AnswerverifiedShow Answer

How is it that animals such as hydras and flatworms do not have a traditional circulatory system,yet they are capable of gas exchange?

Correct AnswerverifiedShow Answer

-This figure shows the anatomy of a capillary bed.What does "c" represent?

Correct AnswerverifiedShow Answer

Which of the following is not one of the functions of the hepatic portal system?

Correct AnswerverifiedShow Answer

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During a single heartbeat,first the contracts,and then the _ contracts.

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Substances exchanged at a capillary move out of the capillary by ____ at the arterial end and into the capillary by at the venous end.

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