Ventilation and Control of the Respiratory System Flashcards Preview

SCT1 Physiology Module 7 > Ventilation and Control of the Respiratory System > Flashcards

Flashcards in Ventilation and Control of the Respiratory System Deck (16):
1

Ventilation of the human body is the process of ___________ and ___________.

INHALATION
and
EXHALATION

2

During inhalation muscle ____________ expands the lungs and thoracic cage.

CONTRACTION

3

Thoracic volume INcreasing and thoracic pressure DEcreasing explains which type of ventilation?

INHALATION

4

Thoracic volume DEcreasing and thoracic pressure INcreasing explains which type of ventilation?

EXHALATION

5

During inhalation, air rushes _____ to normalize the pressure.

IN

6

During exhalation, air rushes _____ to normalize the pressure.

OUT

7

When is exhalation a passive process?

WHEN AT REST

8

During exhalation, muscles _________ as there is an elastic recoil of the thoracic cage.

RELAX

9

Name the term for the largest volume of air that can be brought into the lungs?

FORCED VITAL CAPACITY
(FVC)

10

Name the term for the largest volume of air that can be exhaled in one second (after maximal inhalation)

FORCED EXPIRATORY VOLUME
(FEV1)

11

Name the term for the volume of air in one regular breath?

TIDAL VOLUME
(Vt)

12

Control of the respiratory system is handled by the control centre and the peripheral ________________.

peripheral CHEMORECEPTORS

13

The respiratory control centre in the brain stem, controls the ________ and ________ of breathing.

RHYTHM
+
RATE

14

The central chemoreceptors of the central control, detect rising concentrations of CO2 and H+ and respond by _____________ ventilation.

INCREASING

15

Peripheral chemoreceptors are located in which 2 places?

CAROTID ARTERIES
+
ARCH OF THE AORTA

16

The peripheral chemoreceptors detect rising concentrations of CO2 and H+ and/or dropping O2 concentrations respond by _____________ ventilation.

INCREASING