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WorksheetsTest on Cardiovascular & Respiratory Systems
Total questions: 44
Worksheet time: 22mins
Name
Class
Date
1.
Papillary muscles are attached to the flaps of valves by thin, strong connective tissue strings called
a)
chordae tendineae
b)
interventricular septa
c)
auricles
d)
interventricular sulcus
2.
The muscular layer of the heart wall is the:
a)
endocardium
b)
pericardium
c)
myocardium
d)
epicardium
3.
The heart is located in the
a)
abdominal cavity
b)
mediastinum
c)
pericardial cavity
d)
both the mediastinum & percardium
4.
Which of the following is NOT an atrioventricular valve?
a)
aortic
b)
tricuspid
c)
bicuspid
d)
mitral
5.
Which of the following is a semilunar valve?
a)
aortic
b)
mitral
c)
bicuspid
d)
tricuspid
6.
The structure referred to as the “pacemaker” of the heart is the
a)
AV bundle
b)
AV node
c)
SA node
d)
Purkinje fibers
7.
Which chamber of the heart is the thickest?
a)
right atrium
b)
left atrium
c)
right ventricle
d)
left ventricle
8.
The first sound you hear, the LUBB sound, is caused by a. b. c. d.
a)
the ventricles contracting and the closing of the AV valves
b)
the atria contracting and the closing of the SL valves
c)
the ventricles relaxing and the closing of the AV valves
d)
bling, bling
9.
Blood flows from the heart to the lungs during pulmonary circulation via the
a)
pulmonary arteries
b)
pulmonary veins
c)
aorta
d)
inferior vena cava
10.
Which of the following is NOT one of the veins carrying blood to the heart? a. b. c. d. e. both a and b
a)
superior vena cava
b)
inferior vena cava
c)
pulmonary trunk
d)
pulmonary veins
11.
The left primary bronchus is displaced because
a)
The trachea bends toward the left
b)
Of the position of the heart
c)
Of the position of the liver
d)
The left lung is larger than the right
12.
The right atrioventricular valve is also called the:
a)
bicuspid
b)
tricuspid
c)
mitral
d)
aortic
13.
The blood vessels that supply blood to the heart tissue are the
a)
coronary veins
b)
coronary arteries
c)
coronary sinuses
d)
pulmonary arteries
14.
Which of the following valves is found between the left atrium and the left ventricle?
a)
tricuspid valve
b)
bicuspid (mitral valve)
c)
aortic semilunar valve
d)
pulmonary semilunar valve
15.
Which of the following vessels carries blood from the lungs to the heart?
a)
aorta
b)
pulmonary arteries
c)
pulmonary veins
d)
inferior vena cava
16.
The internal smooth layer of tissue in the heart is the
a)
endocardium
b)
pericardium
c)
myocardium
d)
epicardium
17.
Which of the following statements concerning the pathway of blood flow is NOT correct?
a)
from the aorta to all parts of the body except lungs
b)
from the pulmonary arteries to the lungs
c)
from the vena cava to the right atrium
d)
epicardium from the pulmonary veins to the right atrium
18.
Which of the following is NOT a characteristic of cardiac muscle?
a)
rich in mitochondria
b)
striated
c)
has special cell-to-cell contracts called intercalated disks
d)
is voluntary
19.
Which of the following statements concerning the conduction system of the heart is true?
a)
The sinoatrial (SA) node of the heart acts as the pacemaker
b)
The SA node is located on the upper wall of the left atrium
c)
The AV node contracts the atria
d)
The AV bundle contracts ventricles
20.
Blood enters the right atrium from all but one of the following
a)
superior vena cava
b)
coronary sinus
c)
inferior vena cava
d)
pulmonary veins
21.
The normal pattern of impulse conduction through the heart is
a)
AV node, SA node, bundle of His, Purkinje fibers
b)
AV node, SA node, Purkinje fibers, bundle of His
c)
SA node, AV node, bundle of His, Purkinje fibers
d)
Bundle of His, SA node, AV node, Purkinje fibers
22.
All of the following are true regarding the lobules of the lungs EXCEPT
a)
major blood vessels & bronchi cross the septa of the lobules
b)
individual lobules can be removed leaving the rest of the lung intact
c)
there are nine lobules in the left lung
d)
there are ten lobules in the right lung
23.
The DUPP sound of the heart is a result of
a)
closure of the semilunar valves
b)
closure of the atrioventricular valves
c)
Nellie in concert
d)
closure of the mitral & bicuspid valves
24.
Which of these structures carries blood to the atria?
a)
pulmonary veins
b)
superior vena cava
c)
inferior vena cava
d)
all answers are correct
25.
The serous pericardium internal to the fibrous pericardium is called
a)
the medial pericardium
b)
the epicardium
c)
the parietal pericardium
d)
the parietal pleura
26.
A large groove that runs around the heart and separates the atria from the ventricles is the a. b. c. d. e. both a and b
a)
coronary sinus
b)
coronary sulcus
c)
anterior interventricular septum
d)
posterior interventricular septum
27.
The total lung capacity is
a)
5-6 liters
b)
0.5 liters
c)
4.5 liters
d)
16-24 liters
28.
The skeleton of the heart
a)
forms the fibrous rings around the atrioventricular and semilunar valves
b)
provides a rigid source of attachment for cardiac muscle
c)
serves as electrical insulation between the atria and ventricles
d)
all answers are correct
29.
Cardiac output is equal to
a)
the volume of blood pumped by either ventricle during one second
b)
the stroke volume times the number of beats per hour
c)
the volume of blood in the body times the number of beats per minute
d)
the stroke volume times the beats per minute
30.
Respiration refers to
a)
gas exchange between blood and tissues
b)
ventilation, the movement of air into and out of the lungs
c)
gas exchange between the air in the lungs and blood
d)
all answers are correct
31.
Which of these structures has no cartilage in it?
a)
epiglottis
b)
trachea
c)
bronchi
d)
bronchiole
32.
Given these respiratory passageways:
1. alveoli
2. bronchi
3. bronchioles
4. respiratory bronchioles
5. terminal bronchioles
From largest to smallest, the correct order for these passageways is:
1. alveoli
2. bronchi
3. bronchioles
4. respiratory bronchioles
5. terminal bronchioles
From largest to smallest, the correct order for these passageways is:
a)
1, 2, 3, 4, 5
b)
2, 3, 5, 4, 1
c)
3, 1, 2, 5, 4
d)
4, 5, 2, 1, 3
33.
Foreign objects that enter the trachea usually lodge in
a)
left primary bronchus
b)
the tertiary bronchi
c)
respiratory bronchioles
d)
right primary bronchus
34.
Given these structures:
1. AV node
2. AV bundle
3. SA node
4. Purkinje fibers
Arrange the above parts of the conduction system of the heart in the correct order, as a conduction impulse would pass through them.
1. AV node
2. AV bundle
3. SA node
4. Purkinje fibers
Arrange the above parts of the conduction system of the heart in the correct order, as a conduction impulse would pass through them.
a)
1, 2, 3, 4
b)
1, 3, 2, 4
c)
1, 4, 2, 3
d)
3, 1, 2, 4
35.
The actual gas exchange with the blood occurs in the
a)
bronchi
b)
bronchioles
c)
terminal bronchioles
d)
respiratory bronchioles, alveolar ducts, & alveoli
36.
Most carbon dioxide is transported
a)
as bicarbonate ions in the blood
b)
dissolved in the plasma
c)
in combination with blood proteins
d)
in combination with sodium ions in the blood
37.
The atria of the heart
a)
are separated by the interventricular septum
b)
have earlike projections called auricles
c)
function primarily as the pumps of the heart
d)
receive blood from the aorta and pulmonary trunk
38.
What percentage of oxygen combines with hemoglobin?
a)
72%
b)
8%
c)
27%
d)
97%
39.
The hilum or root of the lungs is the point of entry for
a)
bronchi
b)
vessels
c)
nerves
d)
all answers are correct
40.
The right side of the heart forces blood to flow
a)
to the body
b)
to the lungs
c)
through the systemic circulation
d)
to the 500 Hall
41.
Into what structure does blood flow after leaving the superior vena cava?
a)
bicuspid valve
b)
aortic semilunar valve
c)
pulmonary semilunar valve
d)
right atrium
42.
Into what structure does blood flow after leaving the left ventricle?
a)
bicuspid valve
b)
aortic semilunar valve
c)
pulmonary semilunar valve
d)
right atrium
43.
Into what structure does blood flow after leaving the right atrium?
a)
bicuspid valve
b)
aortic semilunar valve
c)
pulmonary semilunar valve
d)
right atrium
44.
Into what structure does blood flow after leaving the right ventricle?
a)
bicuspid valve
b)
aortic semilunar valve
c)
pulmonary semilunar valve
d)
right atrium
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