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Histology > Pulmonary > Flashcards

Pulmonary Flashcards

1
Q

What kind of epithelium is associated with the respiratory?

A

Pseudostratified ciliated columnar epithelium

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2
Q

What are the components of the respiratory system?

A

Nose and olfactory mucosa, paranasal sinuses, pharynx, larynx, trachea, and lungs

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3
Q

What is Waldeyer’s ring?

A

Ring of lymphoid tissue around nasopharynx. Includes tonsils and adenoids

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4
Q

What are the 2 surfaces that make up the epiglottis?

A

Lingual and pharyngeal surface

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5
Q

The core of the epiglottis consists of what type of cartilage?

A

Elastic

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6
Q

What kind of glands are in the lamina of false vocal cords?

A

Seromucous glands

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7
Q

The true vocal cords are covered in what type of epithelium?

A

Stratified squamous epithelium

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8
Q

T/F: the true vocal cords contain seromucous glands as well

A

False. They lack those glands

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9
Q

What kind of muscle is in the larynx?

A

Skeletal

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10
Q

Bronchi lie outside the lung and are thus called

A

Extrapulmonary

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11
Q

Lobar bronchi are mostly intrapulmonary. T/F?

A

True

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12
Q

How many lobar bronchi in the right lung?

A

3

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13
Q

How many lobar bronchi in the left lung?

A

2

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14
Q

As the bronchi becomes smaller there is a __ in height of the epithelium, a __ in cartilage in glands, and an __ in the proportion of elastic fibers and smooth muscles

A

Decrease in height of epithelium, decrease in cartilage and glands, increase in proportion of elastic fibers and smooth muscles

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15
Q

Bronchioles are absent of cartilage and glands. T/F?

A

True

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16
Q

Alveolar ducts are continuations of respiratory __

A

Bronchioles

17
Q

Alveolar sacs are each composed of several __

A

Aveoli

18
Q

What separates the alveoli within alveolar sacs

A

Alveolar septa

19
Q

What are the pores of Kohn?

A

Opening between adjacent alveoli

20
Q

Nonciliated columnar cells have __ but no cilia

A

Microvilli

21
Q

Goblet cells secrete?

A

Mucous

22
Q

Neuroendocrine cells release_?

A

Catecholamines

23
Q

Surfactant is secreted by what 2 cells?

A

Clara cells and type II alveolar cells

24
Q

Type I pneumocytes characteristics?

A

Very thin cytoplasm, cover about 95% of the alveolar surface, tight junctions

25
Q

Type II pneumocytes characteristics?

A

Rounded cells that bulge in alveolar lumen, cover about 5% of the alveolar surface, can replace type I pneumocytes, produces surfactant

26
Q

Dust cell contain iron?

A

Yes

27
Q

Dust cells aka…

A

Heart failure cells

28
Q

What are the components of the blood-air barrier?

A

Thin capillary endothelium, thin epithelium of pneumocyte, and intervening basal lamina produced y both cell types

Histology (11 decks)

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