QuestionSBA
QuestionChoice
Tidal volume is the amount of air that moves in or out of the lungs with each respiratory cycle. It measures around 500 mL in an average healthy adult male, and approximately 400 mL in a healthy female.
10001623
b
Tidal volume (TV)
QuestionChoice
Residual volume is the amount of air that remains in a person's lungs after fully exhaling. RV is needed to keep the lungs from collapsing.
10001622
a
Residual volume (RV)
QuestionChoice
This is the total amount of air exhaled after maximal inhalation. The value is about 4800mL and it varies according to age and body size. It is calculated by summing tidal volume, inspiratory reserve volume, and expiratory reserve volume. VC = TV+IRV+ERV.
10001626
e
Vital capacity (VC)
QuestionChoice
The inspiratory reserve volume is the amount of air a person can inhale forcefully after normal tidal volume inspiration.
10001625
d
Inspiratory reserve volume (IRV)
QuestionChoice
The expiratory reserve volume is the amount of air a person can exhale forcefully after a normal exhalation.
10001624
c
Expiratory reserve volume (ERV)
Concept
Chapter
2693
3726
Spirometry
Topic
132
Respiratory
12871
What is the name given to the amount of air left in the lungs after maximal expiration?
a