Question 1

A four-chambered heart, veins, arteries, and capillaries are found in

Accepted Answer

A)   all closed circulatory systems.
B)   some closed circulatory systems.
C)   some open circulatory systems.
D)   all open circulatory systems.
E)   mammals only.F) A) and B)
G) None of the above

Question 2

Which of the following statements is true about the majority of arteries in the body?

Accepted Answer

A)   Arteries transport blood toward the heart and contain a thick wall of smooth muscle.
B)   Arteries transport blood toward the heart and contain a thin wall of smooth muscle.
C)   Arteries transport blood away from the heart and contain a thick wall of smooth muscle.
D)   Arteries transport blood away from the heart and contain a thick wall of skeletal muscle.
E)   Arteries transport blood away from the heart and contain a thick wall of cardiac muscle.F) A) and B)
G) C) and E)

Question 3

A leak in a blood vessel is closed first by platelets and then by fibrin threads.

Accepted Answer

A) True 
 B)False

Question 4

The advantage of the double-loop circulatory pathway of some vertebrates over the single-loop circulatory pathway of fish is that

Accepted Answer

A)   the blood is put back under pressure after picking up oxygen in the respiratory organ.
B)   all the O 2-rich blood is pumped to the systemic arteries of the body.
C)   the O 2-rich blood and O 2-poor blood mixes in the single ventricle.
D)   the ventricle acts as a strong pump.
E)   the atria act as receiving chambers.F) None of the above
G) A) and E)

Question 5

Which of the following is a function of blood?

Accepted Answer

A)   transport substances
B)   defend the body against infection
C)   regulate body temperature
D)   form clots
E)   All are functions of blood.F) A) and D)
G) A) and E)

Question 6

Blood pressure

Accepted Answer

A)   is highest when the heart relaxes.
B)   can decrease because of atherosclerosis.
C)   can be lowered by the constriction of arterioles.
D)   is considered high when it is above 100/70 mm Hg.
E)   contributes to movement of substances from the blood into the tissues.F) B) and C)
G) A) and E)

Question 7

Which of the following is an inaccurate statement about platelets?

Accepted Answer

A)   They form clumps in leaks in blood vessels.
B)   They produce prothrombin activator.
C)   They contract within a clot.
D)   They phagocytize pathogens.
E)   They are actual fragments of a larger type of cell.F) C) and E)
G) A) and B)

Question 8

Which of the following statements is correct about the function of the pulmonary circulatory system?

Accepted Answer

A)   The pulmonary system is responsible for adding oxygen and removing carbon dioxide from the red blood cells.
B)   The systemic system is responsible for adding oxygen and removing carbon dioxide from the red blood cells.
C)   The pulmonary system is responsible for adding carbon dioxide and removing oxygen from the red blood cells.
D)   The pulmonary system is responsible for adding oxygen and removing carbon dioxide from the white blood cells.
E)   The pulmonary system is responsible for adding oxygen and removing carbon dioxide from the platelets.F) A) and B)
G) A) and E)

Question 9

Which of the following features are incorrectly matched with the type of blood vessel in which it is found?

Accepted Answer

A)   well-developed middle layer with smooth muscle and elastic tissue - arteries
B)   narrow, microscopic tubes of endothelium - capillaries
C)   valves are present insuring one-way flow of blood - veins
D)   thick, well-developed walls due to the presence of a thick layer of smooth muscle - veins
E)   formed from capillaries and join to form veins - venulesF) B) and E)
G) A) and D)

Question 10

Neutrophils and monocytes are similar in that they both

Accepted Answer

A)   are types of erythrocytes.
B)   result in phagocytized pathogens.
C)   produce antibodies in response to pathogens.
D)   release kinins which attract platelets.
E)   are responsible for specific immunity.F) All of the above
G) A) and C) B

Question 11

A neutrophil

Accepted Answer

A)   fights disease.
B)   forms a plug in damaged blood vessels.
C)   carries oxygen in the blood.
D)   releases clotting factors which stimulate the formation of a blood clot.
E)   carries carbon dioxide in the blood.F) A) and D)
G) None of the above

Question 12

Mammal blood serves to transport substances to and from the capillary beds.

Accepted Answer

A) True 
 B)False

Question 13

The blood vessels to the lungs and back are collectively known as the

Accepted Answer

A)   pulmonary circulation.
B)   systemic circulation.
C)   lymphatic system.
D)   portal system.
E)   oxygen exchange system.F) B) and C)
G) A) and C) A

Question 14

Because of the nature of platelets, having a low platelet count can be cause for concern if which of the following were to occur?

Accepted Answer

A)   a deep cut
B)   a bacterial infection
C)   a viral infection
D)   a diet deficient in iron
E)   a parasitic worm infectionF) A) and B)
G) A) and C) A

Question 15

Which substances do not exit the capillary in order to enter the tissue fluid?

Accepted Answer

A)   red blood cells
B)   amino acids
C)   oxygen
D)   glucose
E)   waterF) C) and D)
G) A) and B)

Question 16

Blood in veins is

Accepted Answer

A)   moved by the contraction of the muscles in the walls of the veins.
B)   moved away from the heart by skeletal muscle contraction.
C)   usually high in oxygen.
D)   moved away from the heart with the help of the valves within the veins.
E)   moved toward the heart by skeletal muscle contraction.F) All of the above
G) None of the above

Question 17

A lower-than-normal level of _____ can result in an increased clotting time.

Accepted Answer

A)   platelets
B)   basophils
C)   neutrophils
D)   erythrocytes
E)   lymphocytesF) A) and B)
G) C) and D)

Question 18

Which blood vessel within the systemic circulatory system will connect the digestive tract and the liver?

Accepted Answer

A)   hepatic portal vein
B)   hepatic vein
C)   pulmonary trunk
D)   aorta
E)   renal veinF) B) and E)
G) A) and E)

Question 19

If the sinoatrial node fails in the heart,

Accepted Answer

A)   the heart ceases to beat.
B)   the ventricles will beat at a higher rate.
C)   an artificial pacemaker can correct the problem.
D)   the heartbeat is unaffected.
E)   the atria will not contract.F) A) and B)
G) B) and D)

Question 20

In an open circulatory system,

Accepted Answer

A)   hemolymph enters the heart via ostia.
B)   blood leaves the heart via venules.
C)   the heart has two or more chambers.
D)   nutrients are exchanged across the walls of capillaries.
E)   blood is pumped into cavities called ventricles.F) A) and B)
G) None of the above

Exam 23: The Transport Systems

A four-chambered heart, veins, arteries, and capillaries are found in

Correct AnswerverifiedShow Answer

Which of the following statements is true about the majority of arteries in the body?

Correct AnswerverifiedShow Answer

A leak in a blood vessel is closed first by platelets and then by fibrin threads.

Correct AnswerverifiedShow Answer

The advantage of the double-loop circulatory pathway of some vertebrates over the single-loop circulatory pathway of fish is that

Correct AnswerverifiedShow Answer

Which of the following is a function of blood?

Correct AnswerverifiedShow Answer

Blood pressure

Correct AnswerverifiedShow Answer

Which of the following is an inaccurate statement about platelets?

Correct AnswerverifiedShow Answer

Which of the following statements is correct about the function of the pulmonary circulatory system?

Correct AnswerverifiedShow Answer

Which of the following features are incorrectly matched with the type of blood vessel in which it is found?

Correct AnswerverifiedShow Answer

Neutrophils and monocytes are similar in that they both

Correct AnswerverifiedB

A neutrophil

Correct AnswerverifiedShow Answer

Mammal blood serves to transport substances to and from the capillary beds.

Correct AnswerverifiedShow Answer

The blood vessels to the lungs and back are collectively known as the

Correct AnswerverifiedA

Because of the nature of platelets, having a low platelet count can be cause for concern if which of the following were to occur?

Correct AnswerverifiedA

Which substances do not exit the capillary in order to enter the tissue fluid?

Correct AnswerverifiedShow Answer

Blood in veins is

Correct AnswerverifiedShow Answer

A lower-than-normal level of _____ can result in an increased clotting time.

Correct AnswerverifiedShow Answer

Which blood vessel within the systemic circulatory system will connect the digestive tract and the liver?

Correct AnswerverifiedShow Answer

If the sinoatrial node fails in the heart,

Correct AnswerverifiedShow Answer

In an open circulatory system,

Correct AnswerverifiedShow 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
B

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified