Respiratory System Flashcards

1
Q

Function of Respiratory System

A
  1. Regulation of blood pH
  2. Voice production
  3. Olfaction
  4. Innate immunity
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2
Q

divided into upper and lower respiratory tract

A

Respiratory System

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3
Q

it includes the external nose, nasal cavity, pharynx and associated structure

A

Upper Respiratory tract

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4
Q

includes the larynx, trachea, bronchi, and lungs

A

Lower respiratory tract

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5
Q

consists of the external nose and the nasal cavity

A

nose

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6
Q

visible structure that forms a prominent structure of the face.

A

external nose

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7
Q

external openings of the nose

A

nares or nostrils

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8
Q

openings into the pharynx

A

choanae

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9
Q

extends from the nares to the choanae

A

nasal cavity

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10
Q

partition dividing the nasal cavity into right & left parts

A

nasal septum

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11
Q

occurs when the septum bulges to one side

A

deviated nasal septum

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12
Q

forms the floor of the nasal cavity, separating the nasal cavity from the oral cavity

A

hard palate

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13
Q

3 prominent bony ridges, are present on the lateral walls on each side of the nasal cavity

A

conchae

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14
Q

air-filled spaces within bone, open into the nasal cavity and are lined with a mucous membrane

A

paranasal sinuses

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15
Q

carry tears from the eyes, also open into the nasal cavity

A

nasolacrimal ducts

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16
Q

dislodges foreign substances from the nasal cavity

A

sneeze reflex

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17
Q

stimulated by exposure to bright light

A

photic sneeze reflex

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18
Q

common passageway for both the respiratory and the digestive systems

A

pharynx

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19
Q

superior part of the pharynx

A

nasopharynx

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20
Q

which is an incomplete muscle and connective tissue partition separating the nasopharynx from the oropharynx, forms the floor of the nasopharynx

A

soft palate

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21
Q

posterior extension of the soft palate

A

uvula

22
Q

posterior part of the nasopharynx, helps defend the body against infection

A

pharyngeal tonsil

23
Q

extends from the uvula to the epiglottis, and the oral cavity opens into the oropharynx, lined with stratified squamous epithelium

A

oropharynx

24
Q

located in the lateral walls near the border of the oral cavity and the oropharynx

A

palatine tonsils

25
Q

located on the surface of the posterior part of the tongue

A

lingual tonsil

26
Q

passes posterior to the larynx and extends from the tip of the epiglottis to the esophagus

A

laryngopharynx

27
Q

located in the anterior throat and extends from the base of the tongue to the trachea, passageway for air between the pharynx and the trachea

A

larynx

28
Q

largest cartilage, attached superiorly to the hyoid bone

A

thyroid cartilage

29
Q

most inferior cartilage of the larynx, forms the base of the larynx on which the other cartilages rest

A

cricoid cartilage

30
Q

third unpaired cartilage, it consists of elastic cartilage rather than hyaline cartilage

A

epiglottis

31
Q

top cartilage on each side

A

cuneiform cartilage

32
Q

middle cartilage

A

corniculate

33
Q

bottom cartilage

A

arytenoid cartilage

34
Q

false vocal chords, superior forms the

A

vestibular folds

35
Q

inferior pair composes the

A

vocal folds, true vocal cords

36
Q

inflammation of the mucous epithelium of the vocal fokds

A

laryngitis

37
Q

membranous tube attached to the larynx, consists of connective tissue and smooth muscle

A

trachea or windpipe

38
Q

1.4-1.6 cm in diameter and about 10-11 cm long

A

adult trachea

39
Q

dislodges foreign substances from the trachea

A

cough reflex

40
Q

trachea is lined with what

A

pseudostratified columnar epithelium which contains numerous cilia and goblet cells

41
Q

connects to a lung

A

main or primary bronchi

42
Q

principal organs of respiration

A

lungs

43
Q

superior, middle and inferior lobes

A

lobes

44
Q

each lobes is divided into

A

bronchopulmonary segments

45
Q

main bronchi branch many times forms the

A

tracheobronchial trees

46
Q

conduct air to each obe

A

lobar bronchi

47
Q

extend to the bronchopulmonary segments of the lungs

A

segmental bronchi

48
Q

long,branching hallways with many open doorways

A

alveolar ducts

49
Q

small air sacs

A

alveoli

50
Q

chambers connected to two or more alveoli

A

alveolar sacs

51
Q

where gas exchange between the air and blood takes place, very thin to facilitate the diffusion of gases

A

respiratory membrane