PPT 3 Muscles of Respiration Flashcards

Muscles of Respiration and Physiology

1
Q

breathing requires what type of effort to move the rib cage

A

muscular

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2
Q

the primary muscle of inspiration

A

diaphragm

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3
Q

what separates the thorax from the abdomen

A

diaphragm

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4
Q

a sheet like tendon

A

central tendon

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5
Q

what way is the diaphragm pulled during inspiration

A

downward

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6
Q

during inspiration the lungs are expanded in the

A

vertical dimension

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7
Q

what is the origin of the diaphragm

A

xiphoid process

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8
Q

what is the insertion of the diaphragm

A

central tendon

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9
Q

origin of the external and internal intercostals

A

ribs 1-11

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10
Q

insertion of the external and internal intercostals

A

upper surface of the rib below

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11
Q

origin of the pectoralis major

A

sternum at costal cartilages and clavicle

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12
Q

insertion of the pectoralis major

A

humerus (arm)

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13
Q

origin of the pectoralis minor

A

ribs 3-5

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14
Q

insertion of the pectoralis minor

A

scapula

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15
Q

origin of the serratus anterior

A

ribs 1-9

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16
Q

insertion of the serratus anterior

A

scapula

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17
Q

also known as the boxing muscle

A

serratus anterior

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18
Q

why are the accessory neck muscles important

A

important for respiration, source of stability, control neck flexion and extension

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19
Q

the two specific muscles of the neck are

A

sternocleidomastoid muscle and scalene

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20
Q

origin of the sternocleidomastoid muscle

A

sternum

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21
Q

insertion of the sternocleidomastoid muscle

A

mastoid

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22
Q

origin of the scalene muscles

A

cervicle spine

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23
Q

insertion of the scalene muscles

A

ribs 1-2

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24
Q

list the abdominal muscles

A

rectus abdominis, obliquus externus, transversus abdominus

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25
Q

diaphragm lowers and muscles of inspiration expand the thoracic cavity

A

inspiration

26
Q

air pressure in the lungs is greater than atmospheric air pressure forcing air to rush out

A

exhalation

27
Q

gravity acting on elevated rib cage and elasticity of lung tissue help to return the Thorax and lungs to their relaxed state and ready to begin the next respiratory cycle

A

tidal breathing

28
Q

differs in numbers of breaths per minute (fewer), increased exhalation time, more air exchanged during a respiratory cycle

A

speech breathing

29
Q

rate and depth of breathing is determined by what

A

the CO2 and oxygen levels in the blood

30
Q

for Boyles law when volume increases pressure _

A

decreases

31
Q

volume changes by physiological behaviors of muscle (muscular effort) to increase the

A

thoracic cavity

32
Q

during respiration the diaphragm contracts and moves

A

downward

33
Q

when the diaphragm contracts and moves downward, lung volume _ and the pulmonic pressure _

A

increases, decreases

34
Q

when air rushes into the lungs the atmospheric pressure is

A

higher

35
Q

when the diaphragm relaxes and the passive forces of exhalation occur the lungs volume _ and the pulmonic pressure _

A

decreases, increases

36
Q

when air rushes out of the lungs, the atmospheric pressure is

A

lower

37
Q

separating the respiratory system into parts, so that we can obtain an estimated amount of air each compartment can hold

A

volumes

38
Q

more functional units, combinations of volumes that express physiological limits

A

capacities

39
Q

list the four types of volumes

A

tidal, inspiratory reserve, expiratory reserve, residual

40
Q

quantity of air inhaled in 1 cycle of respiration

A

tidal volume

41
Q

amount inhaled after inhaling

A

inspiratory reserve volume

42
Q

amount exhaled after exhaling

A

expiratory reserve volume

43
Q

left over after expiratory reserve volume

A

residual volume

44
Q

breathing rate of infants

A

30-80 breaths/minute

45
Q

breathing rate of preschoolers

A

20-30 breaths/minute

46
Q

breathing rate of adults

A

12 to 18 per/minute

47
Q

what causes the discrepancy of breaths/minutes thru the lifespan

A

the thorax expands during development and thus is stretches the lungs beyond their natural volume and babies have a fewer number of alveoli thus they must exchange gasses more quickly to meet their metabolic needs

48
Q

name the four respiratory capacities

A

inspiratory, functional residual, vital, total lung

49
Q

everything we can inhale above IC= TV+ IRV

A

inspiratory capacity

50
Q

the amount of air left after exhaling FRC= ERV+ RV

A

functional residual capacity

51
Q

the quantity of air available for respiration= max inhale after max exhale VC = IRV+TV=ERV`

A

vital capacity

52
Q

everything your lungs are capable of holding TLC= IRV + TV + ERV + RV

A

total lung capacity

53
Q

individual breathes into the tube causing a volume of water to be displaced, spirogram- graphic recording of spirometer

A

wet spirometer

54
Q

individual breathes into a U-shaped tube full of water

A

manometer

55
Q

the 5 pressures for non speech and speech functions

A

alveolar, intrapleural, sub glottal, intraoral, atmospheric

56
Q

atmosphere enters pressure on the surface of the earth

A

atmospheric pressure

57
Q

pressure within the lungs, measured in the individual alveolus

A

alveolar or pulmonic pressure

58
Q

the pressure b/t the parietal and visceral pleurae

A

pleural or intrapleural pressure

59
Q

the pleural pressure throughout respiration has what charge

A

negative

60
Q

pressure below the vocal folds

A

subglottal pressure

61
Q

pressure that could be measured within the mouth

A

intraoral pressure