PHYS 261 Midterm Exam 2025 UPDATE/PRACTICE QUESTIONS AND CORRECT VERIFIED
ANSWERS(complete solutions) ASSURED SUCCESS/GRADED A+!!!
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. - (answer)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) - (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?
,PHYS 261 Midterm Exam 2025 UPDATE/PRACTICE QUESTIONS AND CORRECT VERIFIED
ANSWERS(complete solutions) ASSURED SUCCESS/GRADED A+!!!
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?
, PHYS 261 Midterm Exam 2025 UPDATE/PRACTICE QUESTIONS AND CORRECT VERIFIED
ANSWERS(complete solutions) ASSURED SUCCESS/GRADED A+!!!
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.
ANSWERS(complete solutions) ASSURED SUCCESS/GRADED A+!!!
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. - (answer)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) - (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?
,PHYS 261 Midterm Exam 2025 UPDATE/PRACTICE QUESTIONS AND CORRECT VERIFIED
ANSWERS(complete solutions) ASSURED SUCCESS/GRADED A+!!!
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?
, PHYS 261 Midterm Exam 2025 UPDATE/PRACTICE QUESTIONS AND CORRECT VERIFIED
ANSWERS(complete solutions) ASSURED SUCCESS/GRADED A+!!!
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.
