Thorax Flashcards

1
Q

Superior region of the pharynx (nasopharynx) has what epithelium cells

A

Respiratory mucosa, with mucous cells

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2
Q

Stratified squamous epithelium lines what upper respiratory tract

A

inferior pharynx, including Oropharynx and laryngopharynx

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3
Q

Larynx, trachea and bronchi are lined with what epithelium cells

A

Respiratory mucosa with mucosa cells

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4
Q

Cuboidal epithelium line…

A

the Bronchioles

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5
Q

The alveoli is lined with what type of epithelium cells

A

Simple squamous epithelium

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6
Q

What type of epithelium lines most of the respiratory tract?

A

Pseudo-stratified ciliated columnar epithelium with goblet cells

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7
Q

What are the two main types of epithelia that lines the respiratory tract?

A

respiratory epithelium and stratified squamous epithelium

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8
Q

What are the vestibules

A

contains hair follicles called vibrissae which help to filter incoming air (clean)

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9
Q

What does the upper respiratory tract consist of

A

Nasal cavity, paranasal sinuses, Pharynx

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10
Q

What are the turbinates and how many are there

A
  • Turbinates swirl the incoming air and small airborne particles are trapped in mucosa, therefore more effective for cleaning, warming, humidify air
  • three- inferior (lower), middle, superior (higher)
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11
Q

What are the vascular plexus

A
  • Assisting to warming and humidify the incoming air
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12
Q

What are the paranasal sinuses

A
  • Air filled chambers connected to nasal cavity

- lined with respiratory mucosa to warm, clean and humidify air

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13
Q

What is the Pharynx

A
  • shared region of respiratory and digestive system , so both food and air pass
  • muscular tube
  • 3 regions
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14
Q

Nasopharynx is lined with what epithelium

A
  • Respiratory epithelium/mucosa
  • air only
  • nasal cavity
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15
Q

Oropharynx

A
  • Stratified squamous
  • both food and air pass
    Oral cavity
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16
Q

Langopharynx

A
  • Stratified squamous

both food and air

17
Q

the lower respiratory tract includes

A

Larynx, trachea, bronchi and branchial branches (terminal and respiratory), Alveoli

18
Q

What is the general function of the LRT

A
  • Conducts air to/ from site of gas exchange

- Completes cleaning, warming and humidifying of air

19
Q

Does cartilaginous increase or decrease as bronchi divide

A

decrease

20
Q

What is the function of stratified squamous epithelium

A

Protection from abrasion and chemicals

21
Q

What areas of the pharynx does stratified squamous epithelium line

A

Oropharynx and laryngopharynx

22
Q

What is the basement membrane function

A

allows all the cells to attach to the membrane

23
Q

What does the thoracic cage include and what is there function

A

vertebrae, ribs, sternum

- protect organs, and framework for muscle atachments

24
Q

The thoracic cavity contains

A
  1. mediastinum = heart, vessels and pericardium

2. Pleural cavities = lungs

25
Q

What are the anterior joints of the thorax

A
  1. Sternocostal
  2. Costochondral
  3. Interchondral
26
Q

What are the posterior joints of the thorax - that articulate between the vertebrae and ribs

A
  1. costovertebral

2. costotransverse

27
Q

When the diaphragm and external intercostal muscles _____ the volume of the thorax _______

A

Contracts, Increases

28
Q

When relaxes the diaphragm is ____ shape

A

Dome

29
Q

When the diaphragm contracts it is ______

A

Flatterns

30
Q

How many ribs are there

A

24

- 12 pairs

31
Q

inspiration is

A

when the diaphragm contracts

eg breathing in

32
Q

Expiration is

A

when the diaphragm relaxes
eg breathing out
- dome shaped

33
Q

Anterior trunk muscles are ____ and there function is?

A
Abdominals/ rectus abdominals 
function = to move (flex and rotate) and compress abdoment
34
Q

Posterior trunk muscles are ____ and function?

A
extensors eg erector spinae 
function = move brace and support vertebral column
35
Q

External obliques are ______ side rotators

A

opposite

36
Q

Internal obliques are ____ side rotators

A

same

37
Q

What rotation of the trunk muscles will be working when rotating to the left

A

left internal obliques and right external obliques