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Histology > XII - Respiratory System > Flashcards

XII - Respiratory System Flashcards

1
Q

Lungs: Conducting Portion

A

trachea, main bronchi, lobar bronchi, segmental bronchi, terminal bronchioles

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2
Q

Lungs: Respiratory Portion

A

respiratory bronchioles, alveolar ducts, alveolar sacs, alveoli

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3
Q

Epithelium: trachea, main bronchi, lobar bronchi, segmental bronchi

A

pseudostratified ciliated columnar epithilium, goblet cells, submucous glands, hyaline cartilage

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4
Q

Epithelium: bronchioles

A

simple ciliated columnar to cuboidal, Clara cells

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5
Q

Epithelium: terminal bronchioles

A

simple cuboidal, ciliated, Clara cells

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6
Q

Epithelium: respiratory bronchioles

A

simple cuboidal, ciliated, Clara cells, scattered alveoli

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7
Q

Epithelium: alveolar ducts, alveolar sacs

A

simple cuboidal between many alveoli

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8
Q

Epithelium: alveoli

A

type I and II alveolar cells (pneumocytes)

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9
Q

Respiratory Tract: rhythmically moving back and forth to eliminate dust and germs from nasal passages

A

ciliated cells

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10
Q

Respiratory Tract: chemosensory

A

brush cells

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11
Q

Respiratory Tract: secretes mucus

A

goblet cells

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12
Q

Respiratory Tract: capable of regeneration and repair

A

basal cells

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13
Q

Respiratory Tract: metabolize airborne toxins

A

Clara cells / exocrine bronchiolar cells

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14
Q

Respiratory Tract: lines the alveoli

A

type I pneumocytes

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15
Q

Respiratory Tract: secretes surfactant and store it in lamellar bodies, capable of regeneration and repair

A

type II pneumocytes

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16
Q

Respiratory Tract: alveolar macrophage, antigen presenting cells

A

dust cells

17
Q

Respiratory Tract Components: trachea, main bronchi, lobar bronchi, segmental bronchi, terminal bronchioles

A

goblet cells, submucous glands, smooth muscle, elastic fiber

18
Q

Respiratory Tract Components: terminal bronchioles, respiratory bronchioles

A

smooth muscle, elastic fiber

19
Q

Respiratory Tract Components: alveolar sacs

A

elastic fiber

20
Q

Drug given to women to hasten surfactant production

A

corticosteroids (dexa-/betamethasone)

21
Q

Determines fetal lung maturity from amniotic fluid sample

A

L:S ratio (lecithin : sphingomyelin)

22
Q

Cells seen in lungs in the presence of CHF

A

hemosiderin-laden macrophages (heart failure cells)

23
Q

Respiratory Tract: equalize air pressure in alveoli, permit collateral circulation of air when bronchiole is obstructed

A

alveolar pores of Kohn

24
Q

Respiratory Tract: surfactant layer, type I pneumocytes, fused basal laminae of cells lining alveolus and endothelial cells, capillary endothelial cells

A

blood-air barrier

25
Q

Imbalance of pressures in pulmonary capillaries causing edema

A

hydrostatic - out, oncotic - in

26
Q

Protein important in the maintenance of adequate oncotic pressure to prevent edema

A

albumin

Histology (17 decks)

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