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HUBS192 - Module 2? > Lecture 14 > Flashcards

Lecture 14 Flashcards

1
Q

What does the respiratory system need?

A
  1. A surface for gas exchange
  2. A path for airflow
  3. Ability to draw air in and out
  4. Sound and olfaction
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2
Q

Respiratory region

A

Alveoli

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3
Q

Conducting region

A

Nose to bronchiole

- Ensure air is warm, clean, and moist

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4
Q

Nasal cavity

A

Olfaction

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5
Q

Oral cavity

A

Passage for air and food

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6
Q

Function of vibrissae

A

Hairs that filter inhaled air

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7
Q

What is the anterior of the nose made of?

A

Cartilage

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8
Q

What is the posterior side of the nose made of?

A

Bone

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9
Q

What is the roof of the nose cavity formed by?

A

Ethmoid and sphenoid bones

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10
Q

What is the floor of the nose cavity formed by?

A

Hard and soft palates

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11
Q

What are the conchae on the lateral walls of the nose covered by?

A

Respiratory epithelium. Particles stick to mucosa

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12
Q

What happens to the vascular plexus when the temperature drops?

A

The vascular plexus dilates for greater heat transfer

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13
Q

Where is the paranasal found?

A

Found within frontal, sphenoid, ethmoid, and maxillary bones

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14
Q

What are the paranasal sinuses lined with?

A

Lined with respiratory mucosa, drain into the pharynx.

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15
Q

What are the functions of the paranasal sinuses?

A
  1. Lighten skull
  2. Increased surface area to clean warm, moisten the air
  3. Sound resonance
  4. Infected mucus can block drainage.
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16
Q

How many regions does the pharynx have?

A

3

17
Q

Nasopharynx

A

Air passage only

18
Q

Where is the nasopharynx located?

A

Posterior to the nasal cavity.

19
Q

What stops food from entering the nasal cavity?

A

The soft palate and uvula block the nasopharynx during swallowing

20
Q

Oropharynx

A

Air and food, protection against abrasion

21
Q

What is the oropharynx made of?

A

Stratified squamous epithelium

22
Q

What does the oropharynx form?

A

The soft palate to the hyoid bone

23
Q

2 types of tonsils of the oropharynx are:

A

Palatine and lingual

24
Q

Where is the oropharynx located?

A

Posterior to the oral cavity

25
Q

Layrngopharynx

A

Air and food: Made of stratified squamous epithelium

26
Q

Respiratory epithelium is made of:

A

Pseudostratified ciliated columnar epithelium

27
Q

Where are goblet cells found?

A

Nasal cavity, part of pharynx, larynx, trachea, and bronchi

28
Q

What do goblet cells do?

A

They produce mucus, traps debris, and moisten the air

29
Q

What is the overall function of the respiratory system?

A

To deliver air that is warm, clean, and moist to the site of gas exchange

30
Q

What are the key structures of URT?

A

Nose, nasal cavity, and larynx (the three regions)

HUBS192 - Module 2? (20 decks)

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