Hall

Question 1

What is the driving force of a ventilator?

Answer 1

Compressed oxygen

Question 2

Continuous wave Doppler is good for measuring:

Answer 2

High frequency shifts…ie aortic stenosis

Question 3

Pulsed Doppler is good for measuring:

Answer 3

Low velocities from a specific region

Question 4

Vapor pressure of liquid N2O

When does the psi drop?

Answer 4

750 psi…starts to drop after 3/4 of the e-tank is empty (contains 1590L when full)

Question 5

Deadly orange is pressurized at

Answer 5

Vapor pressure is 664mmhg

Pressurized to 1500mmhg and temp 23 C

Question 6

Test for low pressure circuit

Answer 6

Negative pressure test

Question 7

Second stage pressure regulator reduce pressure to:

Answer 7

14-16 psi

Question 8

NIOSH limits on N2O

Answer 8

Less than 25 ppm; less than 50 ppm if no anesthetic gases are in the facility (dental clinic)

Question 9

Modified Bernoulli equation:

Answer 9

⚠️p= 4v^2

Question 10

Pacer meanings

Answer 10

Paced
Sensed
Response
Rate modification 
Multi site pacing

Question 11

Maximum allowable leak of electric current through electrodes or catheters in contact with the heart

Answer 11

10 micro amps…a fib can occur at 100 micro amps