01 Inhalation vs Exhalation

Question 1

Action of diaphragm

Answer 1

Inhalation: Moves down
Exhalation: Moves up

Question 2

State of muscles in diaphragm

Answer 2

Inhalation: Contracting
Exhalation: Relaxing

Question 3

Position of ribcage

Answer 3

Inhalation: Up and out
Exhalation: Down and in

Question 4

State of external intercostal muscles

Answer 4

Inhalation: Contracting
Exhalation: Relaxing

Question 5

State of internal intercostal muscles

Answer 5

Inhalation: Relaxing
Exhalation: Contracting

Question 6

Volume of the chest (thoracic) cavity

Answer 6

Inhalation: Increased
Exhalation: Decreased

Question 7

Air pressure inside the chest (thoracic) cavity

Answer 7

Inhalation: Lower than atmosphere
Exhalation: Higher than atmosphere

Question 8

Air movement

Answer 8

Inhalation: Into lungs
Exhalation: Out of lungs

Question 9

Air pressure in atmosphere compared to air pressure in lungs just before process

Answer 9

Inhalation: Equal (time to allow gas exchange to happen)
Exhalation: Equal (time to allow gas exchange to happen)