Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
|
|
|
1.
|
The
human cardiovascular system a. | helps maintain a constant body
temperature. | b. | carries cells that help protect the body from
disease. | c. | helps the body maintain homeostasis. | d. | All of the
above | | |
|
|
|
2.
|
Which
type of blood vessel is both strong and elastic? a. | capillary | c. | vein | b. | artery | d. | venule | | | | |
|
|
|
3.
|
An
artery has a much thicker muscle layer than does a. | a vein. | c. | a venule. | b. | a
capillary. | d. | All of the
above | | | | |
|
|
|
4.
|
The
smallest and most numerous blood vessels in the body are the a. | venules. | c. | arteries. | b. | veins. | d. | capillaries. | | | | |
|
|
|
5.
|
Red
blood cells a. | transport
respiratory gases. | c. | destroy
viruses. | b. | combat bacterial infection. | d. | transport cholesterol. | | | | |
|
|
|
6.
|
Defending the body against bacterial infection and invasion by foreign substances is a
function of a. | red blood
cells. | c. | platelets. | b. | plasma. | d. | white blood cells. | | | | |
|
|
|
7.
|
An
abnormality involving the platelets would probably affect the process of a. | breathing. | c. | fighting
bacterial infections. | b. | locomotion. | d. | blood clotting. | | | | |
|
|
|
|
|
|
8.
|
Refer
to the illustration above. The cells shown a. | can live for at least a year. | b. | are the largest
cells in the circulatory system. | c. | promote clotting. | d. | contain
hemoglobin. | | |
|
|
|
9.
|
vitamins, salts, and proteins : plasma solutes :: a. | arteries and
veins : lymphatic vessels | b. | erythrocytes, leukocytes, and platelets : blood
cells | c. | platelets and megakaryocytes :
leukocytes | d. | lymphocytes and macrophages :
erythrocytes | | |
|
|
|
10.
|
People with antigen A on their red blood cells can give blood to someone with blood
type(s) a. | A and
AB. | c. | only
AB. | b. | B and
AB. | d. | only
O. | | | | |
|
|
|
11.
|
Pulmonary circulation flows to and from the a. | stomach. | c. | intestines. | b. | liver. | d. | lungs. | | | | |
|
|
|
12.
|
The
heart chamber that receives blood from the venae cavae is the a. | left
atrium. | c. | left
ventricle. | b. | right atrium. | d. | right ventricle. | | | | |
|
|
|
|
|
|
13.
|
Refer
to the illustration above. The vessels indicated by C carry deoxygenated blood. The vessels
are a. | the pulmonary
arteries. | c. | parts of the
aorta. | b. | the pulmonary veins. | d. | part of the atria. | | | | |
|
|
|
14.
|
Refer
to the illustration above. The chamber indicated by F is the a. | right
atrium. | c. | right
ventricle. | b. | left atrium. | d. | left ventricle. | | | | |
|
|
|
15.
|
Blood
entering the right atrium a. | is full of oxygen. | c. | is deoxygenated. | b. | is returning
from the lungs. | d. | is low in plasma
and platelets. | | | | |
|
|
|
16.
|
Oxygenated blood from the lungs is received by the a. | left
ventricle. | c. | left
atrium. | b. | right atrium. | d. | right ventricle. | | | | |
|
|
|
17.
|
Normal blood measure in millimeters of mercury is a. | 145/95. | c. | 120/80. | b. | 130/100. | d. | 100/50. | | | | |
|
|
|
18.
|
The
pressure exerted on the inner walls of the arteries when the heart relaxes between beats is the ____
pressure. a. | systolic. | c. | barometric. | b. | diastolic. | d. | residual. | | | | |
|
|
|
19.
|
A
heart attack can result from the blockage of a blood vessel because of a. | iron
deposits. | c. | plaque
buildup. | b. | hypothyroidism. | d. | excessive hemoglobin. | | | | |
|
|
|
20.
|
Hypertension is another name for what condition? a. | anemia | c. | high blood
pressure | b. | stroke | d. | heart murmur | | | | |
|
|
|
21.
|
cholesterol buildup : atherosclerosis :: a. | iron buildup :
atherosclerosis | b. | arteriosclerosis : the heart to work more
easily | c. | low intake of saturated fats : heart
attacks | d. | atherosclerosis : heart attacks | | |
|
|
|
22.
|
During swallowing, the air passage of the pharynx is covered by the a. | larynx. | c. | trachea. | b. | epiglottis. | d. | bronchi. | | | | |
|
|
|
23.
|
Each
alveolus a. | contains many
air sacs. | c. | is surrounded by
capillaries. | b. | attaches directly to the
larynx. | d. | is a large air
sac. | | | | |
|
|
|
24.
|
Carbon dioxide is transported in the blood in all of the following ways
except a. | dissolved in
plasma. | c. | as bicarbonate
ions. | b. | combined with hemoglobin. | d. | by white blood cells. | | | | |
|
|
|
25.
|
A
respiratory disease in which airways in the lungs become narrow because of sensitivity to certain
stimuli is called a. | asthma. | c. | emphysema. | b. | bronchitis. | d. | alveolar reduction. | | | | |
|