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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
pharynx
B
larynx
C
trachea
D
all of the answers are correct
2) Alveoli need to be extremely thin so that...
A
diffusion will occur at a slower rate
B
carbon monoxide will not enter the blood stream
C
gas exchange will be efficient
D
carbon dioxide can enter the systemic circuit
3) What would happen if the trachea became blocked?
A
All answers are correct
B
Gas exchange at the alveoli would decrease
C
Carbon dioxide would increase in the blood
D
Oxygen would decrease 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 blood into both the pulmonary & systemic circuits
C
It receives blood from the superior & inferior vena cava
D
It forces the blood into the lungs to become oxygenated
6) In general, what is one difference between the atria & the ventricles
A
Atria pump plasma, ventricles pump cellular components
B
Atria receive the blood, ventricles pump the blood
C
Atria pump the blood, ventricles receive the blood
D
Atria pump deoxygenated blood, ventricles pump oxygenated
7) Below the trachea, the ___________ form the first branches into the lungs.
A
bronchioles
B
bronchus
C
larynx
D
alveoli
8) What protein transports gasses to & from the capillaries in the alveoli?
A
Hemoglobin
B
Amino acid
C
Monoxide
D
Lipase
9) Gas exchange in the systemic circuit occurs at the ___________.
A
veins
B
venules
C
capillaries
D
aorta
10) The pulmonary circuit is composed of the flow of blood between _____________.
A
both lungs
B
heart & lungs
C
superior vena cava & inferior vena cava
D
heart & systemic circuit
*select an answer for all questions
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