PHYS 261 MIDTERM EXAM (ACTUAL EXAM) WITH
40+ EXPERT CERTIFIED QUESTIONS AND ANSWERS
ALREADY GRADED A+ 100% PASS
Describe the air pathway starting from the external environment. - ANSWERS-
Nose/Mouth > pharynx > larynx > trachea > bronchus > bronchioles > alveoli
Which part of the respiratory system has 3 lobes, a horizontal fissure, and an
oblique fissure?
a. Right Lung
b. Left Lung
c. Alveoli
d. Bronchus
e. Diaphragm - ANSWERS-a. Right Lung
Name all the parts of the upper respiratory tract? - ANSWERS-1. Nasal Cavity
(Nose/Mouth)
2. Pharynx
3. Larynx
4. *Trachea
Name all the parts of the lower respiratory tract? - ANSWERS-1. *Trachea - some
would argue it is.
2. Bronchus
3. Bronchioles
,4. Lungs
5. Alveoli
6. Diaphragm
Name at least three functions of respiratory system? - ANSWERS-a. Homeostatic
regulation of body pH.
b. Assist in vocalization.
c. Assist in smelling.
d. Air filtration.
e. Air ventilation.
Which of the following is NOT a function of the respiratory system?
a. Assist in smelling.
b. Ventilation
c. Air Filtration
b. Perfusion
d. Assist in speech
e. Homeostatic regulation of body pH. - ANSWERS-b. Perfusion
What is the term describing inhaled 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) - ANSWERS-c. Inspiratory Reserve Volume (IRV)
,What is gas exchange 2?
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. - ANSWERS-a. The exchange of
gasses through alveoli.
The exchange of gasses during cellular 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 - ANSWERS-c. Gas exchange 3
What creates natural pressure gradients in the body?
a. Lungs
b. Neurons
c. Muscles
d. Heart
e. Red Blood Cells - ANSWERS-c. Muscles
What is bulk flow?
, 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. - ANSWERS-c. Air flow from regions
of high to low pressure.
How to calculate Vital Capacity?
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. - ANSWERS-a. IRV + TV + ERV
What is the leftover air capacity after expelling ERV?
a. Total Lung Capacity (TLC)
b. Expiratory Reserve Volume (ERV)
c. Tidal Volume (TV)
d. Residual Volume (RV)
e. Vital Capacity (VC) - ANSWERS-d. Residual Volume (RV)
What is described as the lung volume during normal breathing?
a. Total Lung Capacity (TLC)
b. Vital Capacity (VC)
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