Question 1
4 / 4 pts
How many lobes does the right human lung have?
Your Answer:
3 lobes
Three Lobes
Question 2
3 / 3 pts
Air (and not food) pass in which of the following areas:
A. Esophagus
Correct!
B. Nasop
...
Question 1
4 / 4 pts
How many lobes does the right human lung have?
Your Answer:
3 lobes
Three Lobes
Question 2
3 / 3 pts
Air (and not food) pass in which of the following areas:
A. Esophagus
Correct!
B. Nasopharynx
C. Oropharynx
D. Both A. and C.
Question 3
3 / 3 pts
In the respiratory system, gas exchange occurs in the:
A. Bronchi
B. Respiratory bronchioles
C. Terminal bronchioles
D. Pulmonary alveoli
Correct!
E. B &D
Question 4
8 / 10 pts
Label the following five items from the diagram:
Label A- __________
Label C- __________
Label E- __________
Label F- __________
Label H- __________
Your Answer:
A-Nasal Cavity
C-Soft Palate
E- Vocal Fold
F- Trachea
H- Tounge
Label A- Nasal Cavity
Label C- Soft Palate/ Uvula
Label E- Glottis
Label F- Trachea
Label H- Tongue
Question 5
5 / 5 pts
Note: Essay answers must clearly be in your own words.
Explain what happens to the epiglottis during swallowing. Why?
Your Answer:
The epiglottis moves inferiorly covering the trachea to prevent food or liquid
from entering the lungs.
The trachea is closed by the epiglottis. The epiglottis moves
inferiorly, covering the trachea. This is to prevent food or liquid
from entering the lungs.
Question 6
5 / 5 pts
Note: Essay answers must clearly be in your own words.
A premature baby is having difficulty producing surfactant. Explain what
problems may occur and why.
Your Answer:
Surfactant prevents alveoli from sticking together and keeps them from
collapsing during exhalation. Without surfactant breathing difficulty can
occur.
Breathing difficulty (respiratory distress) is likely to occur.
Surfactant covers the luminal surface and keeps the alveoli from
sticking together (or collapsing) during exhalation.
Question 7
2 / 2 pts
True/False: Negative pressure is used to move air into the lungs.
Correct!
True
False
Question 8
0 / 2 pts
True/False: During inhalation the diaphragm contracts to pull the lungs open.
Correct Answer
True
You Answered
False
Question 9
0 / 2 pts
True/False: During inhalation the rib cage is lowered pull the lungs open.
You Answered
True
Correct Answer
False
Question 10
0 / 2 pts
True/False: As the thoracic cavity expands and lung volume increases, the
density of the gases filling the lungs increases.
You Answered
True
Correct Answer
False
Question 11
2 / 2 pts
True/False: As the rib cage
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