Anatomy 15 - Respiratory System Flashcards

1
Q

What does the respiratory system allow for

A

Inspiration, gas exchange and expiration

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2
Q

What does it take in and give out

A

It takes in oxygen and gives out carbon dioxide

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3
Q

What is the respiratory tract composed of

A

The nasal canal, hard palate, choana, soft palate, nostrils, epiglottis, glottis, phatynx, larynx, oesophagus, trachea, lung, pleura cavity and bronchi

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4
Q

Functions of the nasal cavity

A

To filter, warm and moisten the air

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5
Q

What lies within the nasal cavity

A

The concha

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6
Q

What are the three concha

A

The superior, middle and inferior concha

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7
Q

What are the concha

A

Folds of tissue on the lateral wall of the nasal fossa

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8
Q

What are the concha covered in

A

Mucous

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9
Q

What are the functions of the concha

A

To create turbulance with the air passing through and warm the blood

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10
Q

How is the air in the nasal cavity warmed

A

Through capillaries in the concha being close to the surface

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11
Q

What are the narrow passages between the concha known as

A

Meatuses

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12
Q

What are the para-nasal sinuses

A

Air filled spaces within the skull

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13
Q

Functions of the para-nasal sinuses

A

To lighten the skull and produce mucous

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14
Q

What do the nasal cavity and para-nasal sinuses allow for in relation to sound production

A

Resonance

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15
Q

What are the three sections of the pharynx

A

The nasopharyns, oropharynx and the laryngopharynx

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16
Q

What is the larynx

A

The vocal box

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17
Q

How does the larynx produced sound

A

Through vibrations of the vocal folds

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18
Q

What is the trachea composed of

A

C-shaped cartilage

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19
Q

Which direction does the cartilage of the trachea face

A

Anteriorly

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20
Q

What connects the edges of the cartilage within the trachea

A

Small muscles

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21
Q

When the trachea bifurcates what does it give

A

The left and right main bronchi

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22
Q

What are the vital organs of respiration

A

The lungs

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23
Q

Main function of the lungs

A

To oxygenate blood

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24
Q

What are the two pleura of the lungs

A

Parietal and visceral

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25
Q

What does the parietal pleura line

A

The pulmonary cavity

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26
Q

What are the different sections of the parietal cavity

A

Cervical, costal, diaphragmatic and mediastinal

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27
Q

What does the visceral pleura cover

A

The surface of the lungs

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28
Q

WHat is the pulmonary ligament

A

The sleeve of pleura that hangs down below the lung root

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29
Q

What are the different branches of the bronchi

A

Main, lober and segmental

30
Q

What do the bronchioles lack

A

Cartilage

31
Q

How many lober bronchi are in the right lung

A

Three

32
Q

How many lober bronchi are in the left lung

A

Two

33
Q

Main function of the bronchi

A

To transport air

34
Q

What are the respiratory surfaces within the lungs

A

The alveoli

35
Q

What are alveoli

A

Air-filled sacs that are in close association with capilaries of the lung

36
Q

What is the larynx composed of

A

Epiglottic cartilage, thyroid cartilage, arytenoid cartilage and cricoid carilage

37
Q

What makes up the Adams apple

A

Thyroid cartilage

38
Q

What happens when the thyroid cartilage expands

A

The vocal folds expands which causes the voice to deepen

39
Q

What carilage connects the larynx to the trachea

A

Cricoid cartilage

40
Q

What two cartilages form a synovial joint

A

Arytenoid and cricoid cartilage

41
Q

What type of crtilage is the epiglottic caertilage

A

Elastic

42
Q

What is the epiglottic cartilage involved in

A

Closing of the respiratory tract

43
Q

What are the vocal folds attached to anteriorly

A

The thyroid cartilage

44
Q

What are the vocal fold attached to posteriorly

A

The arytenoid cartilage

45
Q

What is the range of movement of the vocal folds

A

Abduction and adduction

46
Q

What are the principle adductors of the vocal folds

A

The lateral crico-arytenoid muscles

47
Q

In what direction do the lateral crico-arytenoid muscle pull the vocal folds

A

Anteriorly

48
Q

What other muscles help in the action of adduction of the vocal folds

A

The transverse/oblique arytenoid muscles

49
Q

What are sole abductors of the vocal folds

A

The posterior crico-arytenoid muscles

50
Q

In which direction does the posterior crico-arytenoid muscles pull the vocal folds

A

Posteriorly

51
Q

Whare does the trachea sit relative to the oesophagus

A

The trachea sits anteriorly to the trachea

52
Q

What do the muscles in the trachea allow for

A

They allow for a bolus to pass through the oesophagus without the trachea being damaged

53
Q

What are the tree surfaces of the lungs

A

Costal, diaphragmatic and mediastinal

54
Q

Which is the largest surface of the lung

A

The costal

55
Q

What is inferior to the lungs

A

The diaphragm

56
Q

How many lobes does the left lung have

A

Two

57
Q

How many lobes does the right lung have

A

Three

58
Q

What are the lobes of the left and right lungs

A

Left - Superior and inferior

Right - Superior, middle and inferior

59
Q

What separates the superior and inferior lobes

A

The oblique fissure

60
Q

What separates the superior and middle lobes

A

The horizontal fissure

61
Q

What are the impressions present on the left lung

A

Cardiac, arch of the aorta and the descending aorta

62
Q

What are the impressions present on the right lung

A

Oespohageal and superior vena cava

63
Q

What is found within the lung hilum

A

Pulmonary arteries, bronchial vessels, broncho-pulmonary lymph node and the different lober bronchi

64
Q

What is most posterior in the lung hilum

A

The bronchus

65
Q

What is the bronchus composed of

A

Cartilage

66
Q

Where does gas exchange occur

A

Between the alveoli and the capilaries within the walls of the alveoli

67
Q

What happens to structures in the thorax during inspiration

A

The sternum moves anteriorly and superiorly, the lower ribcage moves laterally and the diaphragm decends

68
Q

What is the primary muscle of inspiration at rest

A

The diaphragm

69
Q

What muscles are involved in raising the ribcage

A

The external intercostal muscles

70
Q

What muscles are involved in lowering the ribcage

A

The interal intercostal and the innermost intercostal muslces

71
Q

What accessory muscles are involved in inspiration

A

The scalenes, pectoralis minor, sternocleidomastoid and erector spinae muscles