Topic 14 - Respiratory System Flashcards Preview

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Flashcards in Topic 14 - Respiratory System Deck (64):
1

Respiratory System: Overview

What are the 2 main functions?

  • air movement = in + out of lungs
  • exchanges of gases (O2 + CO2) between lungs and blood

2

Respiratory System: Overview

What are the 2 subdivisions?

  1. Upper respiratory system
  2. Lower respiratory system

3

Upper respiratory system refers to:

  • nose
  • nasal cavity
  • pharynx

4

Lower respiratory system refers to:

  • larynx
  • trachea
  • bronchial tree
  • lungs

5

The respiratory system is lined with what? 

mucosa (with one exception)

6

respiratory system is lined with mucosa (with one exception)

  • all have...
  • _______ tissue for most = ? 
    • cilia sweep mucous to where?
  • CT layer of ALL mucosa = ?

  • all have epithelial tissue + CT
  • epithelial tissue for most = ciliated pseudostratified columnar epithelium (with goblet cells)
    • ​cilia sweep mucous to esophogus where swallowed
  • connective tissue layer of ALL mucosa = lamina propria

7

epithelial tissue for most = what kind of epithelial tissue?

cilia sweep what to where?

ciliated pseudostratified columnar epithelium (with goblet cells)

  • cilia sweep mucous to esophogus where swallowed

8

CT layer of ALL mucosa = ?

lamina propria

9

Name the 9 respiratory system structures

  1. Nose
  2. Nasal cavity
  3. Paranasal Sinus
  4. Pharynx
  5. Larynx
  6. Trachea
  7. Bronchial Tree
  8. Lungs
  9. Respiratory Membrane

  1. Nose
  2. Nasal cavity
  3. Paranasal Sinus
  4. Pharynx
  5. Larynx
  6. Trachea
  7. Bronchial Tree
  8. Lungs
  9. Respiratory Membrane

10

Nose

  • supported by?
  • nostrils = 

  • supported by bone + hyaline cartilage
  • nostrils = nares

 

11

Nasal Cavity

what are the 3 functions?

  1. airway passage (heat + moisten air)
  2. olfaction
  3. speech (resonance chamber)

12

the nasal cavity is divided by?

nasal septum

13

the nasal cavity is divided by nasal septum

  • anterior part = ?
  • posterior part =?

anterior part = hyaline cartilage

posterior part = vomer, ethmoid, maxillae, palatine bones

14

what are the 3 areas of the nasal cavity?

 

  1. vestibule
  2. respiratory area
  3. olfactory area

15

Things to ask yourself

Nose

  • what is it supported by?

16

Things to ask yourself

nasal cavity

 

  • what are the functions?
  • divided by what?
  • what are the 3 areas?

17

supported by bone + hyaline cartilage 

nose

18

nasal cavity: area

Vestibule

  • what region
  • lined by?

  • anterior region
  • ​​​lined by skin with coarse hair

19

nasal cavity: area

what region is the vestibule?

anterior region

20

nasal cavity: area

what region is the respiratory area?

posterior region

21

what area of the nasal cavity is lined by skin with coarse hair

vestibule

22

what kind of tissue is the mucosa of the respiratory area of the nasal cavity?

ciliated pseudostratified epithelium + CT

23

nasal cavity: area

respiratory area

choncae...

chonchae protrude from walls

  • superior
  • middle
  • inferior - separate bone

24

nasal cavity: area ► respiratory area

inferior to choncae 

nasal meatuses (shallow groove)

25

nasal cavity: area ► respiratory area

  • chonchaea + meatuses cause what? 

chonchae + meatuses cause air turbulence to knock out dust

26

nasal cavity: area ► respiratory area

lacrimal duct opens into where?

  • lacrimal duct opens into cavity here (just below inferior nasal conchae)
    • tears to nasal cavity

27

nasal cavity: respiratory area

EVERYTHING

  • what region
  • mucosa = ?
  • chonchae...
    • ?
    • ?
    • ?
  • inferior to chonchae = ?
  • chonchae + meatuses cause what?
  • lacrimal duct opens into where?
    • ?

  • posterior region
  • mucosa = ciliated pseudostratified epithelium + CT
  • chonchae protrude from walls
    • superior
    • middle
    • inferior - separate bone
  • inferior to chonchae = nasal meatuses (shallow groove)
  • chonchae + meatuses cause air turbulence to knock out dust
  • lacrimal duct opens into cavity here (just below inferior chonchae)
    • tears to nasal cavity

28

nasal cavity: area ► olfactory area

olfactory area

  • sense of _____
  • roof of ___ ______
  • neurons = ?

  • sense of smell
  • roof of nasal cavity
  • neurons = olfactory receptors

29

sense of smell refers to

a) vestibule

b) respiratory area

c) olfactory area

 

c) olfactory area

30

anterior region refers to

a) vestibule

b) respiratory area

c) olfactory area

vestibule

31

posterior region refers to

a) vestibule

b) respiratory area

c) olfactory area

respiratory area

32

roof of nasal cavity refers to

a) vestibule

b) respiratory area

c) olfactory area

olfactory area

33

chonchae protrude from walls refers to 

a) vestibule

b) respiratory area

c) olfactory area

respiratory area

34

mucosa = ciliated pseudostratified epithelium + CT refers to

a) vestibule

b) respiratory area

c) olfactory area

respiratory area

35

lacrimal duct opens into cavity here (just below inferior nasal chonchae) refers to

a) vestibule

b) respiratory area

c) olfactory area

respiratory area

36

this causes air turbulence to knock out dust

a) vestibule 

b) ethmoid

c) paranasal sinuses

d) chonchae + meatuses

e) epiglottis

chonchae + meatuses

37

roof of nasal cavity refers to

a) vestibule

b) respiratory area

c) olfactory area

olfactory area

38

neurons of the olfactory area is called

olfactory receptors

39

Paranasal Sinuses

  • air filled spaces
    • how many?
    • located where?

air filled spaces in skull

40

Paranasal Sinuses

8 air filled spaces in skull

  • paired left & right spaces in:

  1. frontal
  2. sphenoid
  3. ethmoid
  4. maxillae

41

Paranasal Sinuses

  • open into where?

open directly into nasal cavity

42

what is the function of paranasal sinuses?

 

  • warm
  • moisten air
  • lighten skull

43

paranasal sinuses

sinusitis = ?

inflammation of mucous membrane

44

Paranasal Sinuses

  • air filled spaces 
    • how many and where?
      • paired left & right spaces in:
  • open directly into where?
  • function?
  • sinusitis = ?

  • 8 air filled spaces in skull
    • paired left & right spaces in
      • frontal
      • sphenoid
      • ethmoid
      • maxillae
  • open directly into nasal cavity
  • function: warm, moisten air, lighten skull
  • sinusitis = inflammation of mucous membrane

45

Pharynx (throat)

  • how many regions?
  • what are the 3 regions

  • 3 regions
  1. nasopharynx
  2. oropharynx
  3. laryngopharynx

 

46

Pharynx: Nasopharynx

  • posterior to?
  • ___ ______ only
  • contains

  • posterior to nasal cavity
  • air passage only
  • contains:
    • pharyngeal tonsil
    • openings
      • 2 posterior nasal apertures
      • 2 eustachian tubes

47

what does the nasopharynx contain?

  • pharyngeal tonsil
  • openings
    • 2 posterior nasal apertures
    • 2 eustachian tubes

48

Pharynx (Throat)

Oropharynx

  • posterior to _______
  • _____ & _____ passage
  • what kind of tissue
  • from _______ to top of epiglottis
  • contains

  • posterior to oral cavity
  • air + food passage
  • stratified squamous epithelium
  • from soft palate to top of epiglottis
  • contains
    • palatine tonsils
    • lingual tonsil

49

oropharynx

posterior to:

oral cavity

50

oropharynx

air + food ______

air + food passage

51

oropharynx

________ squamous epithelium

stratified squamous epithelium

52

oropharynx

from soft palate to ____________

​from soft palate to top of epiglottis

53

oropharynx contains:

  • palatine tonsils
  • lingual tonsil

54

laryngopharynx

  • ___ + _____ passage
  • what kind of tissue
  • from ______ to opening of ________

 

  • air + food passage
  • stratified squamous epithelium
  • from epiglottis to opening of larynx

55

what do the oropharynx and laryngopharynx have in common?

 

  • air + food passage
  • stratified squamous epithelium

56

what is the difference between the passages of the nasopharynx and the oropharynx & laryngopharynx?

the nasopharynx: air passage only

oropharynx and laryngopharynx: air + food passage

57

laryngopharynx

from _________ to __________

from epiglottis to opening of larynx

58

air passage only refers to 

a) nasopharynx

b) oropharynx

c) laryngopharynx

nasopharynx

59

posterior to oral cavity refers to 

a) nasopharynx

b) oropharynx

c) laryngopharynx

oropharynx

60

from soft palate to top of epiglottis refer to

a) nasopharynx

b) oropharynx

c) laryngopharynx

oropharynx

61

contains palatine tonsils and lingual tonsils refers to

a) nasopharynx

b) oropharynx

c) laryngopharynx

oropharynx

62

from epiglottis to opening of larynx refer to

a) nasopharynx

b) oropharynx

c) laryngopharynx

laryngopharynx

63

Larynx (voice box)

  • ____ passage only
  • made of how many cartilages?
  • vocal cords = ?
  • glottis:)
  • laryngitis:)

  • air passage only
  • made of 9 cartilages
  • vocal cords = 2 paired folds in the mucosa

64

end of q cards 

continue @ larynx