Alveolar hypoxia

Question 1

Hypoxemia defined as

Answer 1

resulting abnormally low oxygen concentration in the blood

Question 1

Alveolar hypoxia describes

Answer 1

insufficient oxygen delivery to the alveoli of the lungs

Question 2

In order to combat these difficulties

Answer 2

native sea level dwellers that move to high altitude undergo compensatory changes with alterations occuring over an extended period of time (days, months, even years)

Question 3

Interestingly, native-sea dwellers that move and stay at high altitude develop…

Answer 3

increased pulmonary arterial pressure (PAP) in the absence of pre-existing lung disease

Question 4

The primary mechanisms causing the sustained increase in PAP consist of

Answer 4

diffuse hypoxic pulmonary vasoconstriction (HPV) and pulmonary vascular remodelling (PVR)