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Anatomy Terms > Respiratory > Flashcards

Respiratory Flashcards

1
Q

Pleura sac

A

Surrounding of the lungs which occupies most of the thoracic cavity

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2
Q

Parts of the pleural sac

A

Parietal pleura
Visceral pleura
Pleura space

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3
Q

Parietal pleura

A

Outer liner of the lungs that adheres to the wall of the chest cavity (ribs and diaphragm)

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4
Q

Visceral pleaura

A

Inner lining of the lungs that adhere to the lung

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5
Q

Pleural space

A

Space in-between the layers of the pleura that contains pleural fluid

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6
Q

Sections of parietal pleura

A

Cervical pp
Mediastinal pp
Costal pp
Diaphragmatic pp

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7
Q

Innervation of parietal pleura

A

Somatic sensory nerves
Intercostal nerve

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8
Q

Phrenic nerves origination

A

C3-C5

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9
Q

Phrenic nerve innervation type

A

Motor and sensory information

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10
Q

Function of pleural scpace

A

Lubricates and decreases friction
Maintains fluid surface tension that keeps the lungs open
Hydrostatic pressure pulls the membranes together (glass + water analogy)

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11
Q

Function of the parietal pressure

A

Keeps the lungs inflated
Negative pressure inside the lungs sucks air in from the higher pressure outside

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12
Q

Pleural recesses

A

Gaps inside the pleural space that the expanding lung can fill in

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13
Q

Lobes of the R. lung

A

Superior
Middle
Inferior

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14
Q

Oblique fissure R

A

Separates middle and inferior lobes of R lung

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15
Q

Horizontal fissure

A

Separates superior and middle lobes of R lung

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16
Q
A
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17
Q

Lobes of L lung

A

Superior
Inferior

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18
Q

Oblique fissure L

A

Separates S and I lobes

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19
Q

Lingula

A

Notch for the heart at the bottom of the left lung

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20
Q

Trachea

A

Airway, contains cartilage to keep rigid and open

21
Q

Trachealis muscle

A

Dilate/constrict airways

22
Q

What keeps the trachea open

A

C-shaped cartilage rings

23
Q

Levels of bronchi

A

Primary, secondary, tertiary

24
Q

Primary bronchi

A

Main branch off the trachea to R and L lung

25
Q

R. primary bronchi

A

Vertical, shorter, wider

26
Q

L. primary bronchi

A

Horizontal, longer, thinner

27
Q

Secondary bronchi

A

Supply the lobes of the lungs
Also lobar

28
Q

How many secondary bronchi for each lung

29
Q

Tertiary bronchi

A

Supplies bronchopulmonary segments

30
Q

Bronchopulmonary segments

A

Subdivisions of each lobe that is surrounded by its own connective tissue and gets its own bronchi and pulm. artery
Can be completely resected

31
Q

Hilum of the lung

A

Where vasculature goes in and out, medial to each lung, where the primary bronchus starts

32
Q

Types of blood supply to the lungs

A

Pulm. arteries and veins for gas exchange
Bronchial arteries and veins to supply airways with blood, where ventilation occurs

33
Q

Sympathetic innervation to the lungs

A

Bronchodilation
T1-T4
Cardiopulmonary splanchnic nerves

34
Q

Cardiopulmonary splanchnic nerves

A

Symp. innervation to the heart

35
Q

Parasympathetic innervation to the lungs

A

Bronchoconstriction and gland secretion
Medulla and vagus nerve

36
Q

Volume and pressure relationship

A

Increase in volume = decrease pressure
Decrease volume = increase pressure

37
Q

Inspiration - diaphragm

A

Contracts and is pulled taught and downward to increase volume and decrease pressure

38
Q

Negative pressure

A

When volume increases, decreases P relative to outside. This pressure change sucks air in

39
Q

Expiration - diaphragm

A

Relaxes and parachutes upward to decrease volume and increase pressure, pushes air out

40
Q

Alveoi

A

Where gas exchange occurs

41
Q

Cartilage in lungs

A

Keeps open so don’t collapse

42
Q

Elastic tissue in lungs

A

The collapsing force to help expel air

43
Q

Anatomic dead space

A

No respiration occurring, anything above the alveoli sacs

44
Q

Functional unit of respiratory system

A

Alveoli sacs

45
Q

Phrenic muscle type

A

Voluntary smooth muscle

46
Q

Lung pain

A

Parietal pleura on mediastinal and diaphragm has phrenic innervation to pain and sensation

Anatomy Terms (5 decks)

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