PHYS 261 HUMAN PHYSIOLOGY MID TERM
EXAM ACTUAL EXAM PAPER 2026 100
QUESTIONS WITH CORRECT VERIFIED
ANSWERS GRADED A+
⩥ 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). Answer: 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. Answer: 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 Answer: c. Gas exchange 3
⩥ What creates natural pressure gradients in the body?
a. Lungs
b. Neurons
c. Muscles
d. Heart
e. Red Blood Cells Answer: 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. Answer: c. Air flow from
regions of high to low pressure.
,⩥ Describe the air pathway starting from the external environment.
Answer: 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 Answer: a. Right Lung
⩥ Name all the parts of the upper respiratory tract? Answer: 1. Nasal
Cavity (Nose/Mouth)
2. Pharynx
3. Larynx
4. *Trachea - some would argue it is.
⩥ Name all the parts of the lower respiratory tract? Answer: 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? Answer: a.
Homeostatic regulation of body pH.
b. Assist in vocalization.
c. Assist in smelling.
d. Air filtration.
e. Air ventilation.
⩥ 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. Answer: 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)
EXAM ACTUAL EXAM PAPER 2026 100
QUESTIONS WITH CORRECT VERIFIED
ANSWERS GRADED A+
⩥ 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). Answer: 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. Answer: 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 Answer: c. Gas exchange 3
⩥ What creates natural pressure gradients in the body?
a. Lungs
b. Neurons
c. Muscles
d. Heart
e. Red Blood Cells Answer: 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. Answer: c. Air flow from
regions of high to low pressure.
,⩥ Describe the air pathway starting from the external environment.
Answer: 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 Answer: a. Right Lung
⩥ Name all the parts of the upper respiratory tract? Answer: 1. Nasal
Cavity (Nose/Mouth)
2. Pharynx
3. Larynx
4. *Trachea - some would argue it is.
⩥ Name all the parts of the lower respiratory tract? Answer: 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? Answer: a.
Homeostatic regulation of body pH.
b. Assist in vocalization.
c. Assist in smelling.
d. Air filtration.
e. Air ventilation.
⩥ 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. Answer: 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)
