Exchanging Oxygen And Carbon Dioxide! Trivia Facts Quiz

10 Questions | By Nspirehealth | Updated: Mar 21, 2022 | Attempts: 183

Questions

Settings

Create your own Quiz

Exchanging Oxygen And Carbon Dioxide! Trivia Facts Quiz - Quiz

Questions and Answers

1.

Diffusion is the spontaneous movement of gases without the use of any energy or effort and requires a concentration/pressure gradient.
- A.
  
  True
- B.
  
  False
2.

Oxygen molecules move (diffuse) from an area of (____________) in the alveoli of the lungs to an area of (____________) into the blood where they bind to red blood cells to oxygenate the body.
- A.
  
  Higher PO2; Lower PO2
- B.
  
  Lower PO2; Higher PO2
- C.
  
  Moderate PO2; Mild PO2
- D.
  
  Mild PO2; Moderate PO2
3.

Diffusion capacity is a measure of how well oxygen and carbon dioxide are transferred between the lung and the blood.
- A.
  
  True
- B.
  
  False
4.

What is the primary function of hemoglobin?
- A.
  
  Transport carbon dioxide
- B.
  
  Transport oxygen
- C.
  
  Remove nitrogen
- D.
  
  Remove carbon monoxide
5.

As air travels through the respiratory tract and becomes humidified (water is added), the PO2:
- A.
  
  Increases
- B.
  
  Decreases
- C.
  
  Stays the same
6.

Which of the following does NOT determine partial pressure of O2 and CO2 in the lungs?
- A.
  
  Atmospheric pressure of outside air
- B.
  
  Atmospheric pressure on the moon
- C.
  
  Rate of alveolar ventilation and perfusion
- D.
  
  Humidified air by the upper airway
7.

As you expire air the value measured with a PFT device of the PO2 will __________ and the measured value of PCO2 will __________.
- A.
  
  Increase; increase
- B.
  
  Increase; decrease
- C.
  
  Decrease; increase
- D.
  
  Decrease; decrease
8.

Diffusion of gas across a fluid membrane (alveolar membrane) can be affected by all of the following EXCEPT:
- A.
  
  Difference in partial pressures of gases
- B.
  
  Surface area of the membrane
- C.
  
  Thickness of the membrane
- D.
  
  Color of the membrane
9.

With COPD, some bronchioles are obstructed leaving the alveoli beyond the obstructions unventilated. (no air flow, some blood flow)
- A.
  
  True
- B.
  
  False
10.

To convert carbon monoxide-diffusing capacity to oxygen-diffusion capacity, the value is multiplied by a factor of __________.
- A.
  
  1.23
- B.
  
  10.30
- C.
  
  11.1
- D.
  
  50