Dead Space (PK1) Flashcards
1
Q
What is dead space?
A
Volume of gas in the respiratory system in which gas exchange does not occur
2
Q
2 components of dead space
A
- Anatomical dead space
- Alveolar dead space
3
Q
What is anatomical dead space?
A
Region in all humans where gas exchange does not occur, and is not meant to occur
4
Q
Anatomical dead space volume in an adult male
A
150ml
5
Q
What is alveolar dead space?
A
Volume of alveoli in the respiratory zone where gas exchange should, but does not occur
6
Q
What is physiological dead space?
A
Anatomical dead space + alveolar dead space
7
Q
Factor affecting anatomical dead space
A
Size of the person
8
Q
Factor affecting alveolar dead space
A
Certain lung diseases
