1 | Page
Patho week 7 Questions and Answers Latest
Update
what is gas exchange? Ans: transportation of oxygen into blood, cells, and
carbon dioxide from the blood and cells.
things that impact gas exchange Ans: -not enough oxygen (suffocation)
-too much carbon dioxide (CO2 poisoning)
-airway blockage (choking)
-not enough hemoglobin (anemia)
-blockage of gas exchange (drowning)
-blood clots (pulmonary emboli)
-asthma
-spinal cord injury
ventilation problem Ans: -limited or no oxygen in the environment
-not enough pressure to pull oxygen into the lungs
-something blocking the airway
perfusion problems Ans: -not enough hemoglobin to transport oxygen
-hemoglobin cannot carry oxygen
© 2025 All rights reserved
, 2 | Page
-atherosclerosis/embolus decreasing blood flow
impaired gas exchange leads to Ans: hypoxia, confusion, lethargy, weakness,
fatigue, decreased oxygen saturation and loss of consciousness
impaired gas exchange, the body tried to maintain homeostasis by Ans: -
increasing respirations
-increasing heart rate
-increasing BP
-increasing pH in blood
-forcing respiratory muscles to work harder
external things that impact gas exchange Ans: -high altitudes
-pollution
-lifestyle
-diet
common tests used to determine someones gas exchange Ans: -spirometer
pulmonary function test (PFT)
-arterial blood gas determination
-oximeters
-exercise tolerance testing
-radiography
-bronchoscopy
© 2025 All rights reserved
, 3 | Page
-culture and sensitivity tests
treatments to improve gas exchange Ans: -avoid inhaling irritants
-immunizations
-humidified air
-moderate exercise
-breathing and coughing
-chest physiotherapy
-oxygen
drugs that help improve gas exchange Ans: -decongestants
-expectorants
-antitussives
-antihistamines
-analgesics
-antimicrobials
-bronchodilators
-glucocorticoids
surgical interventions that improve gas exchange Ans: -thoracentesis
-tracheotomy
© 2025 All rights reserved
Patho week 7 Questions and Answers Latest
Update
what is gas exchange? Ans: transportation of oxygen into blood, cells, and
carbon dioxide from the blood and cells.
things that impact gas exchange Ans: -not enough oxygen (suffocation)
-too much carbon dioxide (CO2 poisoning)
-airway blockage (choking)
-not enough hemoglobin (anemia)
-blockage of gas exchange (drowning)
-blood clots (pulmonary emboli)
-asthma
-spinal cord injury
ventilation problem Ans: -limited or no oxygen in the environment
-not enough pressure to pull oxygen into the lungs
-something blocking the airway
perfusion problems Ans: -not enough hemoglobin to transport oxygen
-hemoglobin cannot carry oxygen
© 2025 All rights reserved
, 2 | Page
-atherosclerosis/embolus decreasing blood flow
impaired gas exchange leads to Ans: hypoxia, confusion, lethargy, weakness,
fatigue, decreased oxygen saturation and loss of consciousness
impaired gas exchange, the body tried to maintain homeostasis by Ans: -
increasing respirations
-increasing heart rate
-increasing BP
-increasing pH in blood
-forcing respiratory muscles to work harder
external things that impact gas exchange Ans: -high altitudes
-pollution
-lifestyle
-diet
common tests used to determine someones gas exchange Ans: -spirometer
pulmonary function test (PFT)
-arterial blood gas determination
-oximeters
-exercise tolerance testing
-radiography
-bronchoscopy
© 2025 All rights reserved
, 3 | Page
-culture and sensitivity tests
treatments to improve gas exchange Ans: -avoid inhaling irritants
-immunizations
-humidified air
-moderate exercise
-breathing and coughing
-chest physiotherapy
-oxygen
drugs that help improve gas exchange Ans: -decongestants
-expectorants
-antitussives
-antihistamines
-analgesics
-antimicrobials
-bronchodilators
-glucocorticoids
surgical interventions that improve gas exchange Ans: -thoracentesis
-tracheotomy
© 2025 All rights reserved
