Gas exchange — Flashcards

In exercise, blood is flowing faster through the pulmonary capillaries, resulting in it taking a(n) _____ time for capillary O2 concentration to maximize

Hint: shorter or longer

One way in which CO2 is carried in the blood is as _____ CO2 (5%)

Hypoxia may be caused by _____ poisoning, which decreases the O2 content of blood

_____ in Pco2 cause the O2-hemoglobin dissociation curve to shift to the left

_____ is defined as a decrease in Pao2

Central cyanosis (e.g. lips, mucous membranes) = _____ Peripheral cyanosis (e.g. distal extremities) =_____

Hint: cause

Restrictive lung disease and low DLCO = _____

Pulmonary arterial hypertension = _____ DLCO and _____ TLC and _____ FEV1/FVC

Central cyanosis involves highly vascularized tissues (e.g. lips, mucous membranes) and is caused by low _____

Polycythemia and ↑ EPO and ↓ O2 saturation = _____

Hint: cause