Download Ch 46 Pract Test Circulatory System

CHAPTER 46
Circulatory/Respiratory
System
Practice Test
Refer to the illustration above. These cells are
a.
red blood cells.
c.
white blood cells.
b.
platelets.
d.
a
filled with plasma.
Refer to the illustration above. These cells
a.
can live for at least a year.
b.
are the largest cells in the circulatory
system.
c.
promote clotting.
d.
contain hemoglobin.
a
Pulmonary circulation is the flow of blood
to and from the
a.
liver.
c.
lungs.
b.
stomach. d.
intestines.
c
When the diaphragm and rib cage muscles relax,
a.
inspiration occurs.
b.
expiration occurs.
c.
it is impossible to breathe.
d.
the chest cavity enlarges.
b
During swallowing, the air passageway of
the pharynx is covered by the
a.
bronchi.
c.
epiglottis.
b.
trachea. d.
larynx.
c
Red
a.
b.
c.
blood cells
transport respiratory gases.
destroy viruses.
combat bacterial infection.
d.
transport cholesterol.
a
Which type of blood vessel is both strong
and elastic?
a.
capillary c.
vein
b.
venule
d.
artery
d
Blood entering the right atrium
a.
is full of oxygen.
b.
is deoxygenated.
c.
is low in plasma and platelets.
d.
is returning from the lungs.
b
carbon dioxide : lungs ::
a.
b.
c.
nutrients : lungs
nitrogenous waste : kidneys
nutrients : kidneys
d.
nitrogenous waste : lungs
b
An artery has a much thicker muscle layer
than
a.
a vein.
c.
a capillary.
b.
a venule. d.
All of the above
d
Refer to the illustration above. The
structure labeled “X” is the
a.
pharynx. c.
trachea.
b.
larynx.
d.
epiglottis.
c
The breathing center in the brain is most
sensitive to the
a.
concentration of oxygen.
b.
concentration of carbon dioxide in the
blood.
c.
concentration of carbon dioxide in the
lungs.
d.
amount of oxygen in the cells.
b
Each alveolus
a.
attaches directly to the larynx.
b.
is surrounded by capillaries.
c.
is a large air sac.
d.
contains many air sacs.
b
Which of the following is not involved in the
formation of blood clots?
a.
formation of fibrin–red blood cell complexes
that circulate in the blood and are too large to
move through ruptured blood-vessel walls
b.
release of clotting factors from platelets
c.
production of fibrin, a protein
d.
platelet congregation at the site of rupture of
a blood vessel
a
A person with antigen A on their red blood
cells can give blood to someone with blood
type(s)
a.
B and AB.
c.
only O.
b.
only AB.
d.
A and AB.
d
nutrients, salts, and proteins : plasma
solutes ::
a.
lymphocytes and macrophages :
erythrocytes
b.
erythrocytes and leukocytes : blood
cells
c.
arteries and veins : lymphatic vessels
d.
platelets and megakaryocytes :
leukocytes
b
Mature red blood cells
a.
promote clotting.
b.
c.
d.
do not have a nucleus.
are the largest cells in the blood.
can live for about a year.
b
Carbon dioxide is transported in the blood
in all of the following ways except
a.
combined with hemoglobin.
b.
as bicarbonate ions.
c.
d.
dissolved in plasma.
by white blood cells.
d
An artery
a.
usually carries oxygen-rich blood.
b.
has valves that prevent blood from
flowing backward.
c.
has thin, slightly elastic walls.
d.
All of the above
a
Normal blood pressure in millimeters of
mercury is
a.
145/95 for males and 135/85 for
females.
b.
100/50 for males and 120/70 for
females.
c.
120/80 for males and 110/70 for
females.
d.
130/100 for both males and females.
c
cholesterol buildup : atherosclerosis ::
a.
low intake of saturated fats : heart
attacks
b.
iron buildup : atherosclerosis
c.
atherosclerosis : heart attacks
d.
arteriosclerosis : the heart to work
more easily
c
The force exerted against the arterial walls
when the heart contracts is called
a.
arterial relaxation.
b.
diastolic pressure.
c.
hypertension.
d.
systolic pressure.
d
Refer to the illustration above. The vessels
labeled “2” carry deoxygenated blood. The
vessels are
a.
parts of the atria.
b.
parts of the aorta.
c.
the pulmonary veins.
d.
the pulmonary arteries.
d
Refer to the illustration above. The aorta is
structure
a.
6.
c.
5.
b.
2.
d.
3.
d
Refer to the illustration above. Blood in
chamber 1
a.
has a low concentration of oxygen.
b.
c.
is full of oxygen.
is going toward the lungs.
d.
has very little plasma.
b
The dome-shaped muscle below the chest
cavity is called the
a.
soleus.
c.
biceps.
b.
popliteus. d.
diaphragm.
d
The smallest and most numerous blood
vessels in the body are the
a.
veins.
c.
capillaries.
b.
venules. d.
arteries.
c
If a blood vessel has valves, it is probably
a.
part of the lymphatic system.
b.
a vein.
c.
a venule.
d.
an artery.
b
Which of the following occurs as air rushes
into the lungs from the environment to
equalize air pressure?
a.
contraction
c.
expiration
b.
inspiration
d.
None of the
above
b
The pressure exerted on the inner walls of
the arteries when the heart relaxes
between beats is the ____ pressure.
a.
barometric.
c.
residual.
b.
diastolic.
d.
systolic.
b
Alveoli in the lungs are connected to the
bronchi by a network of tiny tubes called
a.
venules. c.
arterioles.
b.
capillaries.
d.
bronchioles.
d
Defending the body against bacterial
infection and invasion by foreign
substances is a function of
a.
white blood cells.
c.
plasma.
b.
red blood cells.
d.
platelets.
a
Vessels that carry blood away from the
heart are called
a.
arteries.
c.
veins.
b.
capillaries.
d.
venules.
a
The ventricles are
a.
the upper chambers of the heart.
b.
the chambers of the heart that
receive blood from the lungs and the rest of
the body.
c.
the chambers of the heart that pump
blood to the lungs and the rest of the body.
d.
lower chambers of the heart that
contract separately.
c
The
site
a.
b.
actual exchange of gases occurs at the
of the
trachea. c.
nasal passageway.
alveoli.
d.
larynx.
b
The iron-containing molecule in red blood
cells is called
a.
carbonic acid. c.
hemoglobin.
b.
ferric oxide.
d.
plasma.
c
An abnormality involving the platelets
would probably affect the process of
a.
fighting bacterial infections.
b.
blood clotting.
c.
locomotion.
d.
breathing.
b
bronchiole : alveoli ::
a.
bronchi : larynx
b.
alveoli : bronchi
d
c.
larynx : pharynx
d.
bronchi :
bronchioles
The heart chamber that receives blood from
the venae cavae is the
a.
right ventricle. c.
right atrium.
b.
left ventricle.
d.
left atrium.
c
The End