Lecture 5 Flashcards

1
Q
A
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2
Q

What is the propria submucosa?

A

tissue underlying the epithelium

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3
Q

What is located in the propria submucosa (5 things)

A
  1. Blood vessels
  2. Secretory glands:
    • Seromucous glands
  3. Smooth muscle
  4. Lymph nodules
  5. Elastic fibers
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4
Q

What is the function of blood vessels of the nasal cavity?

A

Warm/cool the air

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5
Q

are clara cells ciliated?

A

no!

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6
Q
  1. what is it
  2. what is it
A
  1. Pseudostratified columnar epithelium
  2. Blood vessels
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7
Q

3

4

A

3- seromucous glands

4- propria-submucosa

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8
Q

what is function of seromucous glands

A
  1. Trap particulate materials and microbes
  2. Humidify the air
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9
Q

are there glands in bronchioles and beyond?

A

no!

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10
Q
  1. ?
  2. ?
  3. ?
  4. ?
A
  1. ciliated Pseudostratified columnar epithelium
  2. duct??
  3. seromucous glands
  4. artifacts
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11
Q

5?

6

7

  • what is this a picture of?
A

5- Hyaline cartilage
6- Propria submucosa
7- Adipose tissue, fat cells

  • trachea
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12
Q

What is function of smooth muscle in respiratory tract

A

Contract and relax, regulate appropriate amount of air flow in the airway

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13
Q

1

2

3

A
  1. Ciliated Pseudostratified columnar epithelium
  2. Connective tissue layer
  3. Blood vessel
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14
Q

4

5

A

4- Hyaline cartilage

5- Smooth muscle

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15
Q

Relative thickness of smooth mm. ____________ as the conduction airway decreases in size.

A

increase

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16
Q
  • what is this a slide of?

1

2

A
  • bronchus
    1. Smooth muscle
    2. Lymph nodules
17
Q

What is function of lymph nodules in respiratory tract?

A

Fight against airborne infection

18
Q
  1. what are the purple dots in the blue circle?
  2. What is their function?
A
  1. elastic fibers
  2. Support the conducting (and respiratory) airways
    • Allow to move in multiple directions
19
Q

Where is hyaline cartilage found in the respiratory tract?

A

trachea and bronchi

20
Q
  1. what is it
    • function?
  2. what is it?
    • function?
A
  1. trachealis muscle
    • Regulates airflow by changing the airway diameter
  2. tracheal cartilage
    • Keeps the trachea open during inhalation & exhalation
21
Q

3

4

A

3- Propria-submucosa

4- Respiratory epithelium

22
Q

what is the name for the whole structure of 1

A

tracheal cartilage

23
Q
  • what is this a picture of
  1. what is it
  2. what is it
  3. what is it
A
  • bronchus
    1. ciliated pseduostratified columnar epithelium
    2. Propria submucosa
    3. Duct
24
Q

4?

5?

6?

A

4- Hyaline cartilage
5- Glands
6- Lymphatic vessels

25
* what is this an image of? 1. what is it? 2. what is it?
* bronchus 1. hyaline cartilage 2. ciliated pseduostratified columnar epithelium
26
* what is this an image of? 1. what is it 2. ? 3. ?
* bronchus 1. Smooth muscle 2. Seromucous gland 3. Hyaline cartilage
27
1. ? 2. ? 3. ?
1. Blood vessel 2. Alveoli 3. bronchiole (no cartilage)
28
what is this
Bronchoscopic view of a normal trachea
29
1. what is this 2. what side is dipping down?
1. Bronchoscopic view of a collapsing trachea. 2. dorsal side * will collapse first
30
1. what is it 2. what is it
1. Normal diameter trachea 2. Collapsing trachea
31
at the thoracic portion of trachea 1. during expiration how will the collapsing trachea look like? 2. inhalation?
1. Expiration- trachea will be collapsed, * will be under pressure from thoracic cavity 2. Inhalation- trachea will be larger
32
At the cervical portion of trachea 1. during expiration how will the collapsing trachea look like? 2. inhalation?
1. Larger diameter 2. Collapsed