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Heart & Lung Anatomy & Physiology
Test Description: A & P of the heart & lung
Instructions: Answer all questions to get your test result.
1) The voice box is found in the...
A
all of the answers are correct
B
trachea
C
larynx
D
pharynx
2) Alveoli need to be extremely thin so that...
A
carbon monoxide will not enter the blood stream
B
gas exchange will be efficient
C
diffusion will occur at a slower rate
D
carbon dioxide can enter the systemic circuit
3) What would happen if the trachea became blocked?
A
Gas exchange at the alveoli would decrease
B
Oxygen would decrease in the blood
C
All answers are correct
D
Carbon dioxide would increase in the blood
4) What is the chamber that forces blood towards the lungs?
A
Left ventricle
B
Right atrium
C
Right ventricle
D
Left atrium
5) Why is the left ventricle the most muscular chamber?
A
It is the last chamber to act on blood before blood circulates through the systemic circuit
B
It forces the blood into the lungs to become oxygenated
C
It receives blood from the superior & inferior vena cava
D
It forces blood into both the pulmonary & systemic circuits
6) In general, what is one difference between the atria & the ventricles
A
Atria receive the blood, ventricles pump the blood
B
Atria pump deoxygenated blood, ventricles pump oxygenated
C
Atria pump plasma, ventricles pump cellular components
D
Atria pump the blood, ventricles receive the blood
7) Below the trachea, the ___________ form the first branches into the lungs.
A
alveoli
B
bronchus
C
larynx
D
bronchioles
8) What protein transports gasses to & from the capillaries in the alveoli?
A
Amino acid
B
Monoxide
C
Lipase
D
Hemoglobin
9) Gas exchange in the systemic circuit occurs at the ___________.
A
aorta
B
venules
C
veins
D
capillaries
10) The pulmonary circuit is composed of the flow of blood between _____________.
A
heart & lungs
B
superior vena cava & inferior vena cava
C
heart & systemic circuit
D
both lungs
*select an answer for all questions
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