# Midterm Study Guide for RT3 Ninjas

### 54 terms by roro5pm

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### kinetic energy, and potential energy

the 2 types of energy (mechanical)

### kinetic energy

what is energy in motion

### formula for work

W=FxD, work=force x distance

### power

measure of the rate at which work is being performed, P=W/T

### joules

unit of energy or work, 1J=1N

### kinetic energy equation

KE=1/2(mv2) [2 is squared]

PE=mgh

### melting point

the temperature at which a solid converts to a liquid

### freezing point

the temperature at which a liquid is changed to a solid state

### boiling point

temperature at which a liquid converts to a gaseous state

### evaporation

process in which liquid changes into the vapor state

### latent heat

the amount of heat that must be added to a substance to cause a complete change of state

### sublimation

process in which solid molecules completely bypass the liquid state and change to a gas

### condensation

the opposite of evaporation, conversion of a substance from a gas to a liquid

k-273

c+273

(9/5 x C) + 32

5/9 (f-32)

### 760 mmHg

the pressure of air at sea level

### 47 mmHg

water vapor pressure at 37C (normal body temperature)

### laminar flow

fluid flow in streamlines, normally associated with the movement of fluids through tubes with smooth surfaces and fixed radii, desired flow when giving treatment to a patient

### turbulent flow

movement of fluid that become chaotic and the concentric layers seen with laminar flow is lost, occurs when viscosity of fluid increases sharply, the tubes radius varies, and when the tubes surface is rough and uneven

### ASSS

american standard safety system

### PISS

pin index safety system

### DISS

diameter index safety system

### 50 PSI

standard working PSI in medical gas

### liquid O2

the type of gas that lasts longer

.28

3.14

2.41

50 PSI

### concentrators

provide O2, mainly for home use, 2 types, molecular seive and membrane

### max filling/service pressure of med gas tank for E & H

2000 psi for E, 2200 psi for H, add 10% to psi if approved

green

gray

light blue

brown

brown and green

yellow

### bourdon flowmeter

pressure gauge used on E tanks

### thorpe tube flowmeter

pressure gauge used for gas outlet in patient rooms, gas suspends steel ball

### nasal cannula

O2 delivery device characterized by small hollow prongs that are inserted into the external nares, 1-6 L/M, low flow

O2 mask that uses a venturi device to provide precise concentrations of high flow O2 to a patient, a.k.a. air entrainment masks

### oxygen hood

clear plastic enclosure that is placed around a pediatrics head to deliver oxygen therapy, high flow

### simple O2 mask

low flow mask to deliver O2, 35% to 50% FIO2 at 5 to 10 L/M...no less than 5 L/M

low flow O2 mask with an attached reservoir bag that allows patient to reinhale the first third of their exhaled breath, delivers FIO2 of 0.4 to 0.6 with O2 flows of 6 to 8 L/M

low flow O2 mask similar to a partial-rebreather except they have one way valves, one between the bag and mask, and the others at the exhalation port of the mask, theoretically provide 100% O2, but in actual practice deliver an FIO2 of 0.6 to 0.8

P=2(ST/r)

### boyle's law

V1P1=V2P2 or V1/V2=P2/P1, temperature is constant so they cancel out

### charle's law

V1/T1=V2/T2, pressure is constant so they cancel out

### gay-lussac's law

P1/T1=P2/T2, volume is constant so they cancel out

P1V1/T1=P2V2/T2

### dalton's law

PO2=(total barometric pressure)(gas),
example PO2=(760)(0.21).....PO2=159 mm Hg

6.02x10 to 23rd power

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