Pulmonary Flashcards
What is the movement of ambient air into and out of the lungs?
Ventilation
What moves ambient air across lung into blood?
Diffusion
What is oxygen consumed and utilized by the body?
Oxygen Consumption
What is the amount of air inspired and expired in a normal breath?
Tidal Volume (TV)
What is the maximum amount of air inspired at the end of normal tidal volume expiration ( TV + IRV )
Inspiratory Capacity (IC)
What is the maximum amount of air expired following a maximal inspiration (IRV + TV + ERV)
Forced Vital Capacity (FVC)
What muscles contract at during “inhalation” at rest?
Diaphragm
What muscles contract during “inhalation” during exercise?
Diaphragm
External Intercostals
Scalenii
What muscles contract during “Exhalation” at rest?
None
What muscles contract during “Exhalation” during exercise?
Internal Intercostals
abdominals
What area of the brain is considered the “Control Center” for ventilation?
Medulla
What is shortness of breath or subject distress in breathing?
Dyspnea
What is the increase in pulmonary ventilation that exceeds the oxygen needs of metabolism?
Hyperventilation
What is the amount of air the subject breaths in and out in one minute?
Minute Ventilation VE
What is the mathematical formula for VE?
VE = RR x TV