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1st Aid Memorize > Pulm > Flashcards

Flashcards in Pulm Deck (30):
1

V/Q Ratio of APEX at rest

3

2

V/Q Ratio of BASE at rest

0.6

3

V/Q Ratio of APEX at exercise

1 (vasodilation of apical capillaries)

4

V/Q Ratio of 0

SHUNT (airway obstructed, so 100% O2 will not help)

5

V/Q Ratio of infinity

PHYSIOLOGIC DEAD SPACE (blood flow obstruction, so 100% O2 will help)

6

Pressures at APEX

PA > Pa > Pv

7

Pressures at middle lung

Pa > PA > Pv

8

Pressures at BASE

Pa > Pv > PA

9

Where is CO2 bound on carbaminohemoglobin?

N-terminus of globin

10

What part of the lung does asbestosis affect?

lower lobes

11

What part of the lung do silica and coal affect?

upper lobes

12

What is anthracosis?

asymptomatic condition of urban dwellers exposed to sooty air

13

What does silicosis increase risk for?

-Tb (disrupts phagolysosomes and macrophages)
-Branchogenic carcinoma

14

Lung cancer that cavitates

squamous cell carcinoma

15

Lung cancer that is most common in non-smokers (and overall)

adenocarcinoma

16

Central lung cancers

Squamous cell carcinoma
Small cell carcinoma

17

Lung cancer with hypercalcemia

Squamous cell carcinoma (produces PTHrP)

18

Lung cacner with k-ras, EGFR, or ALK mutations

Adenocarcinoma

19

Peripheral lung cancers

Adenocarcinoma
Large cell carcinoma

20

Inoperable lung cancer

small cell carcinoma

21

Chromogranin A + lung cancer

Bronchial carcinoid tumor

22

Lung cancer that secretes ACTH or ADH

small cell carcinoma

23

Lung cancer that grows along alveolar septa

Bronchioloalveloar subtype of adenocarcioma

24

Lung cancer that leads to Lambert-Eaaten syndrome

Small cell carcinoma

25

Lung cancer that is associated with amplification of myc oncogenes

Small cell carcinoma

26

Lung cancer with neuroendocrine Kulchitsky cells (small dark blue cells)

Small cell carcinoma

27

Lobar pneumonia bugs

S. pneumoniae
Legionella or Klebsiella

28

Bronchopneumonia bugs

S. pneumoniae
S. aureus
H. flu
Klebsiella

29

Interstitial (atypical) pneumonia bugs

Viruses (flu, RSV, adenovirus)
Mycoplasma
Legionella
Chlamydia

30

Lung abscess bugs

S. aureus
Bacteroides
Fusobacterium
Peptostreptococcus