Asthma Flashcards

1
Q

most common type of asthma?

A

allergic asthma

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2
Q

antigen exposure to the bronchial mucosa- initiates airway hyperresponsiveness- which phase of asthma?

A

early asthmatic response

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3
Q

immune activation- which phase of asthma?

A

early asthmatic response

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4
Q

What immunoglobulin is involved in the early asthmatic response?

A

IgE

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5
Q

IgE causes what two things to happen in early asthmatic response?

A

(1) mast cell degradation and (2) inflammatory mediator release

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6
Q

what are the three inflammatory mediators released in the early asthmatic response?

A

(1) histamine (2) prostaglandins (3) leukotrienes

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7
Q

inflammatory mediators in early asthmatic response cause increase or decreased capillary permeability?

A

increased

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8
Q

mucosal edema seen in which phase of asthma?

A

early asthmatic response

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9
Q

bronchial smooth muscle contraction (bronchospasm) is caused by what in the early asthmatic response?

A

inflammatory mediators

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10
Q

tenacious mucous secretion from mucosal goblet cells with narrowing and obstruction to airway- which phase of asthma?

A

early asthmatic response

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11
Q

what cells secrete tenacious mucous in early asthmatic response?

A

mucosal goblet cells

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12
Q

when does late asthmatic response begin?

A

a few hours after the early response

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13
Q

release of toxic neuropeptides contribute to increased bronchial hyperresponsiveness- which phase asthma?

A

late asthmatic response

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14
Q

impaired expiration causes air trapping- which phase of asthma?

A

late asthmatic response

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15
Q

what do toxic neuropeptides contribute to in late asthmatic response?

A

increased bronchial hyperresponsiveness

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16
Q

what causes air trapping in late asthmatic response?

A

impaired expiration

17
Q

hyperinflation distal to obstructions in late asthmatic response is caused by what?

A

impaired expiration

18
Q

increased work of breathing seen in which asthma phase?

A

late asthmatic response

19
Q

respiratory alkalosis seen in which asthma phase?

A

late asthmatic response

20
Q

what is the acid-base imbalance of late asthmatic response?

A

respiratory alkalosis

21
Q

increased pH seen in which phase of asthma?

A

late asthmatic response

22
Q

Ph is increased or decreased in late asthmatic response?

23
Q

PaCO2 is increased or decreased in late asthmatic response?*****

24
Q

hypoxemia in late asthmatic response further increases WHAT?

A

hyperventilation

25
Q

bronchospasms become more and more severe- what asthma phase?

A

status asthmaticus

26
Q

with progressive obstruction of expiratory airflow, air trapping becomes more severe- what asthma phase?

A

status asthmaticus

27
Q

lungs and thorax become hyperexpanded- what asthma phase?

A

status asthmaticus

28
Q

fall in tidal volume with increasing CO2 retention- what asthma phase?

A

status asthmaticus

29
Q

what is the acid-base imbalance seen in status asthmaticus?

A

respiratory acidosis

30
Q

respiratory acidosis is seen in which asthma phase?

A

status asthmaticus

31
Q

respiratory acidosis signals what in asthma response?

A

respiratory failure

32
Q

ventilation is severely impaired, little air exchange is taking place, “silent chest”- which asthma phase?

A

status asthmaticus

33
Q

tidal volume is increased or decreased in status asthmaticus?

34
Q

CO2 retention is increased or decreased in status asthmaticus?