chapter 3: Cardiorespiratory Quiz Flashcards

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1
Q
Which of the following is a system of organs that collects oxygen from the external environment and transports it to the bloodstream?
Select one:
a. Integumentary system
b. Immune system
c. Respiratory system 
d. Endocrine system
A

c. Respiratory system

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2
Q
After leaving the left ventricle, blood enters which structure?
Select one:
a. Aorta
b. Pulmonary artery
c. Superior vena cava
d. Inferior vena cava
A

a. Aorta

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3
Q

When should the three measurements for resting heart rate be taken for greatest accuracy?
Select one:
a. At the same time each day upon waking
b. After working out
c. Five minutes apart
d. Immediately before bed

A

a. At the same time each day upon waking

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4
Q
Arterioles branch out into vessels know as what?
Select one:
a. Blood vessels
b. Veins
c. Venules
d. Capillaries
A

d. Capillaries

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5
Q
What is a life-sustaining fluid that supplies the body’s organs and cells with oxygen and nutrients and helps regulate body temperature, fight infections, and remove waste products?
Select one:
a. Blood
b. Exudate
c. Rheum
d. Bile
A

a. Blood

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6
Q
What term describes the number of heart beats per minute and the amount of blood pumped per beat?
Select one:
a. Stroke volume
b. Cardiac output
c. Blood pressure
d. Heart rate
A

b. Cardiac output

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7
Q

Which of the following is true of skeletal muscle?
Select one:
a. It is composed of intercalated discs. Incorrect
b. Skeletal muscle fibers are more tightly connected than cardiac muscle fibers.
c. It is a voluntary muscle.
d. Skeletal muscle fibers are shorter than cardiac muscle fibers.

A

c. It is a voluntary muscle.

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8
Q
In which of the following structures are water and chemicals exchanged between the blood and tissues?
Select one:
a. Capillaries 
b. Venules
c. Sinoatrial node
d. Atrioventricular node
A

a. Capillaries

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9
Q
Deoxygenated blood is pumped from the right ventricle to the lungs through which of the following vessels?
Select one:
a. Pulmonary veins
b. Aortic arch
c. Pulmonary arteries 
d. Aortic valve
A

c. Pulmonary arteries

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10
Q
Which of the following refers to vessels that transport blood from the capillaries toward the heart?
Select one:
a. Arteries
b. Carotids
c. Veins
d. Arterioles
A

c. Veins

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11
Q
Which of the following is a small terminal branch of an artery, which ends in capillaries?
Select one:
a. Vein
b. Venule
c. Arteriole
d. Atrium
A

c. Arteriole

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12
Q
Which of the following is a system of organs that collects oxygen from the external environment and transports it to the bloodstream?
Select one:
a. Immune system
b. Respiratory system
c. Integumentary system
d. Endocrine system
A

b. Respiratory system

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13
Q
Heavy breathing results in an increase in the activity level of which of the following secondary respiratory muscles?
Select one:
a. Scalenes 
b. Rectus abdominis
c. Internal oblique
d. Diaphragm
A

. Scalenes

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14
Q
Which term refers to the amount of blood pumped out of the heart with each contraction?
Select one:
a. Cardiac output
b. Heart rate
c. Stroke volume 
d. Radial pulse
A

c. Stroke volume

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15
Q
Arterioles branch out into vessels know as what?
Select one:
a. Venules
b. Blood vessels
c. Capillaries 
d. Veins
A

c. Capillaries

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16
Q
Within what range is the typical resting heart rate of a human being?
Select one:
a. 70 and 80 bpm 
b. 50 and 70 bpm
c. 10 and 40 bpm
d. 90 and 100 bpm
A

a. 70 and 80 bpm

17
Q
Deoxygenated blood is pumped from the right ventricle to the lungs through which of the following vessels?
Select one:
a. Aortic valve
b. Aortic arch
c. Pulmonary veins
d. Pulmonary arteries
A

d. Pulmonary arteries

18
Q
What term describes the number of heart beats per minute and the amount of blood pumped per beat?
Select one:
a. Heart rate
b. Cardiac output
c. Blood pressure
d. Stroke volume
A

b. Cardiac output

19
Q
In which of the following structures are water and chemicals exchanged between the blood and tissues?
Select one:
a. Capillaries 
b. Atrioventricular node
c. Venules
d. Sinoatrial node
A

a. Capillaries

20
Q
What may be the best measure of cardiorespiratory fitness?
Select one:
a. Maximal lung capacity
b. Maximal oxygen consumption
c. Stroke volume
d. End-diastolic volume
A

b. Maximal oxygen consumption

21
Q
What is a life-sustaining fluid that supplies the body’s organs and cells with oxygen and nutrients and helps regulate body temperature, fight infections, and remove waste products?
Select one:
a. Exudate
b. Blood
c. Rheum
d. Bile
A

b. Blood

22
Q
In which of the following structures are water and chemicals exchanged between the blood and tissues?
Select one:
a. Atrioventricular node
b. Venules
c. Sinoatrial node
d. Capillaries
A

d. Capillaries

23
Q
What term describes the number of heart beats per minute and the amount of blood pumped per beat?
Select one:
a. Blood pressure
b. Heart rate
c. Cardiac output
d. Stroke volume
A

c. Cardiac output

24
Q
Arterioles branch out into vessels know as what?
Select one:
a. Blood vessels
b. Capillaries
c. Veins
d. Venules
A

b. Capillaries

25
Q
Which term refers to the amount of blood pumped out of the heart with each contraction?
Select one:
a. Cardiac output
b. Stroke volume
c. Heart rate
d. Radial pulse
A

b. Stroke volume

26
Q

Which of the following is true of skeletal muscle?
Select one:
a. It is composed of intercalated discs.
b. Skeletal muscle fibers are more tightly connected than cardiac muscle fibers.
c. Skeletal muscle fibers are shorter than cardiac muscle fibers.
d. It is a voluntary muscle.

A

d. It is a voluntary muscle.

27
Q
Which of the following is a small terminal branch of an artery, which ends in capillaries?
Select one:
a. Atrium
b. Vein
c. Venule
d. Arteriole
A

d. Arteriole

28
Q
Deoxygenated blood is pumped from the right ventricle to the lungs through which of the following vessels?
Select one:
a. Pulmonary arteries
b. Pulmonary veins
c. Aortic valve
d. Aortic arch
A

a. Pulmonary arteries