WCU PHYS 261: Final Exam Questions And 100% Verified Answers| Already Graded A+| Latest Update 2024/2025

WCU PHYS 261: Final Exam Questions And 100% Verified
Answers| Already Graded A+| Latest Update 2024/2025

QUESTION: 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) ✓✓Correct Answer: c. Inspiratory Reserve Volume (IRV)




QUESTION: 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. ✓✓Correct Answer: a. The exchange of gasses
through alveoli.




QUESTION: 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 ✓✓Correct Answer: c. Gas exchange 3




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,QUESTION: What creates natural pressure gradients in the body?

a. Lungs

b. Neurons

c. Muscles

d. Heart

e. Red Blood Cells ✓✓Correct Answer: c. Muscles




QUESTION: 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. ✓✓Correct Answer: c. Air flow from regions of high to
low pressure.




QUESTION: Describe the air pathway starting from the external environment. ✓✓Correct Answer:
Nose/Mouth > pharynx > larynx > trachea > bronchus > bronchioles > alveoli




QUESTION: 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 ✓✓Correct Answer: a. Right Lung



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,QUESTION: Name all the parts of the upper respiratory tract? ✓✓Correct Answer: 1. Nasal Cavity
(Nose/Mouth)

2. Pharynx

3. Larynx

4. *Trachea - some would argue it is.




QUESTION: Name all the parts of the lower respiratory tract? ✓✓Correct Answer: 1. *Trachea -
some would argue it is.

2. Bronchus

3. Bronchioles

4. Lungs

5. Alveoli

6. Diaphragm




QUESTION: Name at least three functions of respiratory system? ✓✓Correct Answer: a.
Homeostatic regulation of body pH.

b. Assist in vocalization.

c. Assist in smelling.

d. Air filtration.

e. Air ventilation.




QUESTION: How to calculate Vital Capacity?

a. IRV + TV + ERV

b. RV + VC + TV



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, c. TLC + HGTV + CNN

d. ERV + IRV

e. I know it, I just don't want to tell you. ✓✓Correct Answer: a. IRV + TV + ERV




QUESTION: 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) ✓✓Correct Answer: d. Residual Volume (RV)




QUESTION: What is described as the lung volume during normal breathing?

a. Total Lung Capacity (TLC)

b. Vital Capacity (VC)

c. Tidal Volume (TV)

d. Expiratory Reserve Volume (ERV)

e. Resting Capacity ✓✓Correct Answer: c. Tidal Volume (TV)




QUESTION: How to calculate total lung capacity?

a. IRV + TV + ERV + RV

b. IRV + TV + ERV

c. IRV + TV + RV

d. TV + ERV + RV

e. IRV + TV + CRV + RV ✓✓Correct Answer: a. IRV + TV + ERV + RV



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