Question 1

Which association is NOT correct?

Accepted Answer

A)  red blood cells-transport oxygen
B)  white blood cells-fight infection
C)  water-maintains blood volume
D)  oxygen-cellular respiration
E)  albumin-fights infectionF) A) and E)
G) A) and D)

Question 2

Which of these is NOT true of the heart?

Accepted Answer

A)  The heart is a double pump.
B)  The heart helps maintain blood pressure.
C)  The heart helps make red blood cells.
D)  The heart is composed primarily of muscle.
E)  The heart has an inner lining of endothelium.F) A) and B)
G) A) and C)

Question 3

Blood flow in the capillaries is

Accepted Answer

A)  slower because there are more capillaries and they represent more flow volume.
B)  faster because they are smaller and blood must speed up to get through.
C)  the same speed as in the arteries and veins since they are the input and output points.
D)  highly variable due to different tissues,but must average the same as speeds in arteries and the veins.
E)  slower than in other blood vessels because of the presence of valves.F) D) and E)
G) A) and E)

Question 4

Which blood vessels carry blood away from the heart?

Accepted Answer

A)  capillaries
B)  venules
C)  veins
D)  arteries
E)  lymph vesselsF) A) and B)
G) B) and C)

Question 5

Which organ of the body contains very few,if any,capillary beds?

Accepted Answer

A)  the heart
B)  the cornea
C)  the liver
D)  the stomach
E)  the skinF) B) and E)
G) A) and C)

Question 6

The pacemaker of the heart is termed the

Accepted Answer

A)  AV node.
B)  cardiac center in the medulla.
C)  SA node.
D)  vagus nerve.
E)  Purkinje fibers.F) C) and D)
G) B) and D)

Question 7

Platelets

Accepted Answer

A)  phagocytize bacteria.
B)  are responsible for blood type.
C)  initiate clotting.
D)  transport oxygen in the blood.
E)  are responsible for the buildup of plaques on artery walls.F) A) and E)
G) D) and E)

Question 8

If a person has a blood pressure of 120/80,the "120" refers to the

Accepted Answer

A)  diastolic pressure.
B)  systolic pressure.
C)  pulse pressure.
D)  capillary pressure.
E)  venous pressure.F) B) and E)
G) A) and B)

Question 9

How many layers does an arterial wall possess? Which is the thickest?

Accepted Answer

A)  two,the inside layer
B)  three,the inside layer
C)  two,the outside layer
D)  three,the outside layer
E)  three,the middle layerF) A) and E)
G) C) and E)

Question 10

All arteries contain oxygenated blood,and all veins contain nonoxygenated blood.

Accepted Answer

A) True 
 B)False

Question 11

A reading of 120/80 indicates blood velocity.

Accepted Answer

A) True 
 B)False

Question 12

Hemoglobin is NOT

Accepted Answer

A)  carried in red blood cells.
B)  an oxygen transporter.
C)  made of protein and heme.
D)  normally found free in the plasma.
E)  a red pigment.F) B) and C)
G) D) and E)

Question 13

Aged red blood cells are destroyed in the

Accepted Answer

A)  red bone marrow.
B)  lungs.
C)  lymph nodes.
D)  spleen and liver.
E)  capillaries.F) All of the above
G) A) and E)

Question 14

Which statement is NOT a correct association?

Accepted Answer

A)  arteries-have a thick muscular layer
B)  capillaries-oxygen and nutrient exchange
C)  arteries-can control blood pressure
D)  capillaries-contain most of overall blood volume
E)  veins-valves to return blood to heartF) None of the above
G) B) and C)

Question 15

Venous return does not depend on

Accepted Answer

A)  respiratory movements.
B)  skeletal muscle contractions.
C)  the presence of valves.
D)  limb movement.
E)  blood pressure.F) A) and B)
G) B) and D)

Question 16

Lymph,such as that collected under a blister,contains all the components of blood except

Accepted Answer

A)  water.
B)  salts.
C)  sugars.
D)  dissolved gases.
E)  blood cells,albumin,and other plasma proteins.F) C) and D)
G) A) and E)

Question 17

The long insoluble threads of a blood clot originate from

Accepted Answer

A)  fibrinogen.
B)  thrombin.
C)  collagen.
D)  prothrombin.
E)  platelets.F) A) and E)
G) A) and D)

Question 18

The part of the circulation involved with pumping blood to and from the lungs is the

Accepted Answer

A)  systemic circuit.
B)  internal respiration circuit.
C)  microcirculation circuit.
D)  pulmonary circuit.
E)  ECG circuit.F) C) and D)
G) None of the above

Question 19

Why is it advantageous to have blood move slowly in the capillaries?

Accepted Answer

A)  It will not cause damage to the valves.
B)  It maintains the high pressure in the capillaries.
C)  It provides time for substances to be exchanged between blood and tissue fluids.
D)  It creates a greater osmotic pressure for cells.
E)  It is the major way to control blood pressure.F) A) and B)
G) All of the above

Question 20

Which of the following is NOT a correct association?

Accepted Answer

A)  arteries-blood away from heart
B)  ventricles-receive blood from body
C)  valves-veins
D)  right heart-lungs
E)  left atrium-receive oxygenated bloodF) B) and C)
G) All of the above

Exam 12: Cardiovascular System

All arteries contain oxygenated blood,and all veins contain nonoxygenated blood.

Correct AnswerverifiedShow Answer

The part of the circulation involved with pumping blood to and from the lungs is the

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How many layers does an arterial wall possess? Which is the thickest?

Correct AnswerverifiedShow Answer

Aged red blood cells are destroyed in the

Correct AnswerverifiedShow Answer

If a person has a blood pressure of 120/80,the "120" refers to the

Correct AnswerverifiedShow Answer

Venous return does not depend on

Correct AnswerverifiedShow Answer

Which of the following is NOT a correct association?

Correct AnswerverifiedShow Answer

Why is it advantageous to have blood move slowly in the capillaries?

Correct AnswerverifiedShow Answer

Hemoglobin is NOT

Correct AnswerverifiedShow Answer

A reading of 120/80 indicates blood velocity.

Correct AnswerverifiedShow Answer

Which association is NOT correct?

Correct AnswerverifiedShow Answer

Which blood vessels carry blood away from the heart?

Correct AnswerverifiedShow Answer

Blood flow in the capillaries is

Correct AnswerverifiedShow Answer

The long insoluble threads of a blood clot originate from

Correct AnswerverifiedShow Answer

Which statement is NOT a correct association?

Correct AnswerverifiedShow Answer

Which of these is NOT true of the heart?

Correct AnswerverifiedShow Answer

The pacemaker of the heart is termed the

Correct AnswerverifiedShow Answer

Which organ of the body contains very few,if any,capillary beds?

Correct AnswerverifiedShow Answer

Platelets

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Lymph,such as that collected under a blister,contains all the components of blood except

Correct AnswerverifiedShow Answer

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