wk 2 TB ppt/1 Flashcards

1
Q

TB - how long taking four drugs

A

2 months

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2
Q

HIV patients should take INH for how long

A

9 months

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3
Q

TB is caused by

A

mycobacterium TB - acid fast bacilli

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4
Q

s/e of INH

4

A
  1. peripheral neuritis
  2. hepatotoxicity
  3. arthralgias
  4. optic neuritis
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5
Q

TB - cough

A

dry cough

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6
Q

TB rank

A

2nd most common cause of death from infectious disease

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7
Q

TB - if cellular immune system is activated

2

A
  1. tissue granuloma forms

2. bacteria is contained, preventing replication and spread

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8
Q

vaccine to prevent TB

A

bacille calmette guerin BCG (not rec in the US)

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9
Q

what is the gold std for drug therapy success

A

witness drug adherence

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10
Q

does QFT replace the three negative sputum tests

A

no

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11
Q

TB drugs - 4 drugs used in initial phase for max effectiveness

A
  1. isoniazid INH
  2. rifampin
  3. pyrazinamide
  4. ethambutol
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12
Q

tx while you’re waiting for sputum

A

broad spectrum antibiotics after blood culture is obtained

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13
Q

TB pleural effusion is caused by

A

bacteria in pleural space; inflammatory reaction with plural exudates of protein rich fluid

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14
Q

TB s/s in early stages

A

usually free of s/s

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15
Q

TB clinical manifestations

7

A
  1. low grade fever
  2. weight loss
  3. anorexia
  4. night sweats
  5. fatigue
  6. malaise
  7. cough becomes frequent
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16
Q

TB skin test size

A

5-15 mm of induration depending on risk and exposure

17
Q

TB spreads how

A

lymphatic system

18
Q

factors that influence TB transmission

3

A
  1. length of time of exposure (>8 hours)
  2. amount of particles expelled
  3. immune system of person
19
Q

what is the only way to say that TB is cleared - sputum samples

A

3 sputum samples on three different occasions that come back clear/negative

20
Q

TB and INH

A

take alone for 6-9 months for latent infection

21
Q

TB complications include

4

A
  1. pleural effusion
  2. empyema
  3. TB pneumonia
  4. organ involvement
22
Q

TB favorable environments for growth

5

A
  1. upper lobes
  2. kidneys
  3. epiphyses of bone
  4. cerebral cortex
  5. adrenal glands
23
Q

TB dx test - sputum collection

A

collected on different days, three consecutive sputum samples

24
Q

TB acute s/s

4

A
  1. high fever
  2. chills
  3. pleuritic pain
  4. productive cough
25
Q

is TB anaerobic or aerobic

A

aerobic - they love oxygen

26
Q

TB transmission requires what

A

close, frequent, or prolonged exposure ( > 8 hours )

27
Q

what organs can TB spread to

4

A
  1. kidney
  2. lungs
  3. brain
  4. adrenal gland
28
Q

TB that disseminates to other organs is called

A

miliary TB

29
Q

types of rooms for TB patients

A

negative pressure

30
Q

TB and dyspnea

A

unusual

31
Q

TB spreads how

A

airborne droplets - cough, speak, sneeze, sing

32
Q

TB - inhaled bacilli do what

A

pass down bronchial system and implant themselves on bronchioles or alveoli