FINALS - Ch. 28 (Respiratory System) Flashcards
(10 cards)
1
Q
What does external respiration include?
A
Diffusion of oxygen into the blood from alveolar air
2
Q
What are the true and false vocal cords composed of?
A
Muscle
3
Q
Gas exchange within the lungs occurs:i
A
In the alveoli
4
Q
What is true of pleural fluid?
A
It decreases friction between the plueral layers
5
Q
Sounds are high pitched when:
A
Vocal folds are stretched
6
Q
What are the vocal cords stretched between?
A
Thyroid and cricoid cartilages
7
Q
The inflation reflex:
A
is stimulated by stretch receptors in the lungs
8
Q
Increased levels of oxygen in the blood can:
A
Suppress respiratory drive
9
Q
The pons influecnes the:
A
depth and rate of breathing
10
Q
A