64-78 (O2 dissoc. curve)

Question 1

Characteristics of TB pleural effusion

Answer 1

cell count 1000-6000, lymphocyte predominant, exudate, ADA>40

Question 2

Characteristics of BAPE

Answer 2

exudate, often eosinophilic

Question 3

Tx for pneumomediastinum from severe asthma

Answer 3

nothing (unless suspect esophageal rupture)

Question 4

Tx for pulmonary alveolar microlithiasis (PAM)

Answer 4

transplant

Question 5

most feared complication of bronchial artery embolization

Answer 5

spinal cord ischemia –> transverse myelitis/paralysis

Question 6

SOB after C-section

Answer 6

amniotic fluid embolism

Question 7

BAL findings in fat embolism

Answer 7

Lipid-laden macrophages

Question 8

Tx for broncholithiasis

Answer 8

not antifungals

Question 9

office next to circuit board manufacturing room

Answer 9

toluene –> get material safety data sheets (MSDS)

Question 10

how to estimate odds ratio from risk ratio

Answer 10

If prevalence low, OR is accurate. If prevalence high, OR will overestimate risk.

Question 11

Effect of increased prevalence on sensitivity and specificity.

Answer 11

no change!

Question 12

SpO2 in methemoglobinemia

Answer 12

85%

Question 13

PaO2 in methemoglobinemia

Answer 13

normal

Question 14

meds causing methemoglobinemia

Answer 14

dapsone, antimalarials, lidocaine, nitrites/nitrates

Question 15

___ pH will shift O2-Hgb dissociation curve to right

Answer 15

decreased

Question 16

___ CO2 shifts O2-Hgb dissociation curve to right

Answer 16

increased

Question 17

___ temp will shift O2-Hgb dissociation curve to right

Answer 17

increased

Question 18

effect of CO on O2-Hgb dissociation curve

Answer 18

left shift

Question 19

effect of fetal Hgb on O2-Hgb dissociation curve

Answer 19

left shift