Name: 
 

AP CH39


Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

1. 
Which animal has a closed circulatory system?
a.
clam
b.
earthworm
c.
spider
d.
snail
e.
insect
 

2. 
In the human systemic circuit, blood will pass through all but which of the following?
a.
liver
b.
limbs
c.
lungs
d.
digestive organs
e.
brain
 

3. 
Which cell does NOT belong with the others?
a.
erythrocytes
b.
neutrophils
c.
lymphocytes
d.
eosinophils
e.
monocytes
 

4. 
Which white blood cells are most abundant?
a.
neutrophils
b.
lymphocytes
c.
monocytes
d.
eosinophils
e.
basophils
 

5. 
Which cell is NOT involved with the immune response?
a.
erythrocytes
b.
neutrophils
c.
lymphocytes
d.
eosinophils
e.
monocytes
 

6. 
Red blood cells originate in the
a.
liver.
b.
spleen.
c.
yellow bone marrow.
d.
red bone marrow.
e.
thymus gland.
 

7. 
Stem cells give rise to
a.
red blood cells.
b.
megakaryocytes.
c.
macrophages.
d.
lymphocytes.
e.
all of these
 

8. 
Proteins constitute what percentage of the human plasma?
a.
1-2
b.
91-92
c.
12-15
d.
7-8
e.
50-60
 

9. 
Hemoglobin contains which element?
a.
chlorine
b.
sodium
c.
iron
d.
copper
e.
magnesium
 

10. 
Blood rich in oxygen is what color?
a.
yellow
b.
pink
c.
bright red
d.
blue
e.
purple
 

11. 
When they are mature and circulating in the blood, which of the following cells have no nuclei?
a.
platelets
b.
leukocytes
c.
erythrocytes
d.
platelets and erythrocytes
e.
leukocytes and erythrocytes
 

12. 
Which blood type is the universal recipient?
a.
A
b.
B+
c.
AB+
d.
AB
e.
O+
 

13. 
In Rh disease, the mother
a.
must be positive and her first and second children positive.
b.
must be negative and her first and second children positive.
c.
must be negative and her first and second children negative.
d.
must be positive and her first and second children negative.
e.
and the father must both be negative and the child positive.
 

14. 
In its travel through the human body, blood usually continues on from capillaries to enter
a.
arterioles.
b.
venules.
c.
arteries.
d.
veins.
e.
other capillaries.
 

15. 
Which of the following statements is true?
a.
Arteries carry only oxygenated blood.
b.
The systemic circuit leaves the heart from the left ventricle.
c.
Blood passes through only one capillary bed on its trip through the systemic circuit.
d.
Platelets survive a longer time than erythrocytes.
e.
The heart is able to pick up the oxygen it needs as the blood flows through it.
 

16. 
Blood in arteries
a.
always travels away from the heart.
b.
travels away from the heart only if it is oxygen-rich.
c.
always travels toward the heart.
d.
travels from the lungs.
e.
is always oxygen-rich.
 

17. 
The receiving zone of a vertebrate heart is
a.
a plaque.
b.
the aorta.
c.
an atrium.
d.
a capillary bed.
e.
all of these
 

18. 
Atria differ from ventricles in that they
a.
are larger.
b.
have thicker walls with more muscles.
c.
receive blood from veins.
d.
have a higher blood pressure.
e.
empty through the semilunar valves.
 

19. 
Blood from the body is first received by the heart in the
a.
coronary vein.
b.
left atrium.
c.
right ventricle.
d.
right atrium.
e.
left ventricle.
 

20. 
The human heart
a.
will contract as a result of stimuli from the sinoatrial node.
b.
contracts only as a result of nerve stimulation from the central nervous system.
c.
is activated primarily through the autonomic nervous system.
d.
pulse is primarily under the control of the atrioventricular node.
e.
is independent of all nervous control.
 

21. 
If a physician hears two "lub" sounds instead of one, then which of the following conditions is true?
a.
The semilunar valves are not closing simultaneously.
b.
The atrial blood is flowing backward and causing the extra sound.
c.
The atrioventricular valves are not closing at the same time.
d.
The AV and semilunar valves are not closing at the same time.
e.
No such double sound has ever been heard.
 

22. 
The coronary vessels
a.
supply and drain the heart muscle.
b.
bypass the heart ventricles.
c.
send blood directly to the lungs.
d.
are not really necessary because the heart can get its blood supply from the "inside."
e.
lead directly from the atria to the ventricles.
 

23. 
An artificial pacemaker supplements the actions of
a.
sympathetic nerves.
b.
the atrioventricular node.
c.
the medulla oblongata.
d.
the sinoatrial node.
e.
the heart muscle itself.
 

24. 
Blood pressure is highest in the
a.
aorta.
b.
pulmonary artery.
c.
capillary bed.
d.
subclavian vein.
e.
inferior vena cava.
 

25. 
The blood pressure and flow to the biceps in the arm may be decreased by
a.
the action of the medulla oblongata.
b.
changes in diameter of the arterioles.
c.
changes in pressure and blood flow.
d.
the action of certain hormones.
e.
all of these
 

26. 
Which of the following controls the distribution of blood?
a.
arteries
b.
arterioles
c.
capillaries
d.
venules
e.
veins
 

27. 
Which of the following are pressure reservoirs with low resistance to flow?
a.
arteries
b.
arterioles
c.
capillaries
d.
venules
e.
veins
 

28. 
The most common vascular disease is
a.
phlebitis.
b.
hypertension.
c.
leukemia.
d.
sickle-cell anemia.
e.
a stroke.
 

29. 
In atherosclerosis,
a.
abnormal multiplication of smooth muscle cells in blood vessels occurs.
b.
the arterial walls fill with connective tissue.
c.
the lipids in the bloodstream become embedded in the walls of the endothelial lining.
d.
a fibrous net covers the entire abnormal area.
e.
all of these
 

30. 
The mineral associated with arteriosclerosis is
a.
iron.
b.
magnesium.
c.
cobalt.
d.
calcium.
e.
iodine.
 

31. 
Which of the following is NOT involved in the formation of a blood clot?
a.
plasma cells
b.
fibrinogen
c.
thrombin
d.
fibrin
e.
All of these are involved.
 

32. 
Which of the following is the proper sequence in clotting?
a.
prothrombin, fibrinogen, fibrin, thrombin, clot
b.
prothrombin, fibrin, fibrinogen, thrombin, clot
c.
prothrombin, thrombin, fibrinogen, fibrin, clot
d.
thrombin, prothrombin, fibrin, fibrinogen, clot
 

33. 
Which of the following is an enzyme?
a.
fibrinogen
b.
fibrin
c.
prothrombin
d.
thrombin
e.
plasminogen
 

34. 
Which of the following is transported in greater quantities in the lymphatic system than in the blood?
a.
red blood cells
b.
wastes
c.
fats
d.
amino acids
e.
white blood cells
 

35. 
The lymphoid organs include all but the
a.
spleen.
b.
stomach.
c.
thymus.
d.
tonsils and adenoids.
e.
appendix.
 

Short Answer
 
 
Mammalian Blood

Answer the following questions in reference to the five components of mammalian blood listed below:

a.      red blood cells
b.      basophils
c.      platelets
d.      serum albumin
e.      sodium and potassium chloride
 

36. 
Refer to Mammalian Blood. Oxygen is transported throughout the body by this blood component.
 
 
Structures of the Heart

Answer the following questions in reference to the four structures of the heart listed below:

a.      right atrium
b.      left atrium
c.      left ventricle
d.      right ventricle
 

37. 
Refer to Structures of the Heart. Blood from the superior and inferior venae cavae enters the heart via this structure.
 

38. 
Refer to Structures of the Heart. Deoxygenated blood exits the heart from this structure.
 

39. 
Refer to Structures of the Heart. Oxygenated blood enters the heart via this structure.
 

40. 
Refer to Structures of the Heart. Blood is pumped to the majority of the body by this structure.
 



 
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