PCM Stations

Question 1

room air is at ___% oxygen

Answer 1

21

Question 2

O2 is necessary when P02

when spO2

Answer 2

PO2 under 60

spO2 under 90

Question 3

nasal cannula flow

Answer 3

1L/min to 6L/min

1 L/min =24% O2 + 4% for each L/min

Question 4

oxygen masks

rebreathers

Answer 4

without reservoir, ambient gases can be pulled back in
open ports on both sides

1L/min = 24% everry other L added = +4%

Question 5

oxygen mask non rebreather

Answer 5

with reservoir, ambient gases cannot be pulled back in
used to avoid intubation in pts who cannot open their mouth or have sufficient excursion to breathe on own

6L/min = 60%
7L/min = 70%
etc

Question 6

venturi mask

Answer 6

used in pts that are hypercapnic with moderate hypoxemia
especially in COPD
highly regulated flow rates bc O2 delivery can lower pts respiratory drive

Question 7

normal foced expiratory flow

Answer 7

385L/min

Question 8

COPD bronchidilator challenge positive test

Answer 8

improvement of PFTs by 12% or 200cc

Question 9

inferior leads

Answer 9

II,III,aVF

R coronary

Question 10

lateral leads

Answer 10

I avL, V5, V6\

circumflex a occlusion

Question 11

treatment MI

Answer 11

MONA B

morpohine
oxygen
nitrogen
asirin
beta blocker