Ventilation and Control of the Respiratory System Flashcards
Ventilation of the human body is the process of ___________ and ___________.
INHALATION
and
EXHALATION
During inhalation muscle ____________ expands the lungs and thoracic cage.
CONTRACTION
Thoracic volume INcreasing and thoracic pressure DEcreasing explains which type of ventilation?
INHALATION
Thoracic volume DEcreasing and thoracic pressure INcreasing explains which type of ventilation?
EXHALATION
During inhalation, air rushes _____ to normalize the pressure.
IN
During exhalation, air rushes _____ to normalize the pressure.
OUT
When is exhalation a passive process?
WHEN AT REST
During exhalation, muscles _________ as there is an elastic recoil of the thoracic cage.
RELAX
Name the term for the largest volume of air that can be brought into the lungs?
FORCED VITAL CAPACITY
FVC
Name the term for the largest volume of air that can be exhaled in one second (after maximal inhalation)
FORCED EXPIRATORY VOLUME
FEV1
Name the term for the volume of air in one regular breath?
TIDAL VOLUME
Vt
Control of the respiratory system is handled by the control centre and the peripheral ________________.
peripheral CHEMORECEPTORS
The respiratory control centre in the brain stem, controls the ________ and ________ of breathing.
RHYTHM
+
RATE
The central chemoreceptors of the central control, detect rising concentrations of CO2 and H+ and respond by _____________ ventilation.
INCREASING
Peripheral chemoreceptors are located in which 2 places?
CAROTID ARTERIES
+
ARCH OF THE AORTA
