The amount of air that can be taken in over and above the tidal volume is the
C)expiratory reserve volume.
D)inspiratory reserve volume.
In quiet breathing,
A)inspiration and expiration involve muscular contractions.
B)inspiration is passive and expiration involves muscular contractions.
C)inspiration involves muscular contractions and expiration is passive.
D)inspiration and expiration are both passive processes.
E)only the diaphragm is active during inhalation.
The respiratory rate is
A)higher in adults than in children.
B)roughly 20-30 breaths per minute for toddlers.
C)the movement of about 500 ml of air per breath at rest.
D)the number of breaths per hour.
E)needed to calculate residual volume.
Diagnostic tests on a 50-year-old male show the following results: IRV = 3000 ml, ERV = 900 ml, tidal volume = 500 ml, residual volume = 1300 ml
What is this patient's vital capacity?