PHYS 261 Midterm Study Guide | Physics Concepts & Practice Questions

Phys 261 - Midterm
Study online at https://quizlet.com/_j5gpkv

1. Which of the following is NOT a b. Perfusion
function of the respiratory sys-
tem?
a. Assist in smelling.
b. Ventilation
c. Air Filtration
b. Perfusion
d. Assist in speech
e. Homeostatic regulation of body
pH.

2. What is the term describing in- c. Inspiratory Reserve Volume (IRV)
haled air after normal inspiration?
a. Tidal Volume (TV)
b. Expiratory Reserve Volume
(ERV)
c. Inspiratory Reserve Volume
(IRV)
d. Residual Volume (RV)
e. Vital Capacity (VC)

3. What is gas exchange 2? a. The exchange of gasses through alveoli.
a. The exchange of gasses through
alveoli.
b. The exchange of gasses through
cells.
c. During ventilation.
d. The exchange of gasses through
flatulence.
e. The exchange of gasses through
perspiration.



, Phys 261 - Midterm
Study online at https://quizlet.com/_j5gpkv

4. The exchange of gasses during cel- c. Gas exchange 3
lular respiration is known as which
of the following?
a. Gas exchange 1
b. Gas exchange 2
c. Gas exchange 3
d. Gas exchange 4
e. Gas exchange 5

5. What creates natural pressure gra- c. Muscles
dients in the body?
a. Lungs
b. Neurons
c. Muscles
d. Heart
e. Red Blood Cells

6. What is bulk flow? c. Air flow from regions of high to low pressure.
a. Air flow from the head to the
feet.
b. Blood pressure.
c. Air flow from regions of high to
low pressure.
d. The natural movement of lipids.
e. Resistance of air from low to
high pressure.

7. Describe the air pathway starting Nose/Mouth > pharynx > larynx > trachea > bronchus
from the external environment. > bronchioles > alveoli

8. Which part of the respiratory sys- a. Right Lung
tem has 3 lobes, a horizontal fis-
sure, and an oblique fissure?


, Phys 261 - Midterm
Study online at https://quizlet.com/_j5gpkv

a. Right Lung
b. Left Lung
c. Alveoli
d. Bronchus
e. Diaphragm

9. Name all the parts of the upper res- 1. Nasal Cavity (Nose/Mouth)
piratory tract? 2. Pharynx
3. Larynx
4. *Trachea - some would argue it is.

10. Name all the parts of the lower res- 1. *Trachea - some would argue it is.
piratory tract? 2. Bronchus
3. Bronchioles
4. Lungs
5. Alveoli
6. Diaphragm

11. Name at least three functions of a. Homeostatic regulation of body pH.
respiratory system? b. Assist in vocalization.
c. Assist in smelling.
d. Air filtration.
e. Air ventilation.

12. How to calculate Vital Capacity? a. IRV + TV + ERV
a. IRV + TV + ERV
b. RV + VC + TV
c. TLC + HGTV + CNN
d. ERV + IRV
e. I know it, I just don't want to tell
you.

13. d. Residual Volume (RV)