Test 1

Question 1

Diameter index safety system (d.i.s.s)

Answer 1

•low pressure, threaded connections
•used to connect gas hoses to regulators

Question 2

Pin index safety system (P.I.S.S)

Answer 2

•high pressure, small cylinders (AA-E)
•washer required to prevent leaks
•pins in regulator connect to 2 pinholes in valve stem

Question 3

American standard safety system (A.S.S.S)

Answer 3

•threaded, high pressure connection
•large cylinders, (F-K)

Question 4

Cylinders

Answer 4

•small have post valve and yoke connect, represented by double A-E.
•large have a threaded valve outlet and are letters H-K

Question 5

Gases

Answer 5

•compressed gases are measured by pressure inside of the tank
•liquid gases are measure by weight
•all have pressure relief valve in stem

Question 6

Cylinder marking * next to test date represents what?

Answer 6

10 years testing approval

Question 7

Cylinder marking (+) indicates what?

Answer 7

Tank can be filled 10% greater than service pressure

Question 8

A full tank is how many Psi? And how much is 10% more than that?

Answer 8

A full tank is 2000 psi. And 2200 is 10% more.

Question 9

How often are O2 cylinders safety tested?

Answer 9

Every 5-10 years

Question 10

What government agency classifies cylinders?

Answer 10

DOT. Department of transportation

Question 11

Medical gases are stored where?

Answer 11

High pressure tanks or large bulk reservoirs

Question 12

Compressed gas is stored where?

Answer 12

In carbon steel or steel alloy. Smaller O2 cylinders can be aluminum and steel.

Question 13

Liquid gas is stored where & why?

Answer 13

In cylinders to keep gas at a critical temp.

Question 14

AIR- color/use

Answer 14

Yellow/black & to power resp equipment

Question 15

Oxygen (CO2) characteristics

Answer 15

•Colorless, odorless, transparent, and tasteless.
•will accelerate combustion
•regulated by FDA

Production: chemically, fractional distillation, physical separation

Question 16

Duration of flow formula

Answer 16

PSI x tank factor / flow (LPM)

Answer / 60.

If decimal, x only decimal by 60 for exact minutes.

H tank- 3.14 (3)
E tank- (0.3)
D tank- 0.16

Question 17

Thorpe tube

Answer 17

•regulator with Thorpe tube flow meter is used on high pressure, large O2 cylinders.
•measures true flow
•affected by gravity

Question 18

Bourdon gauge

Answer 18

•used on all sizes of high pressure gas cylinders (AA-H/K)
•measures pressure but reads on gauge as flow
•if tubing connected to flow meter is obstructed, the delivered flow is decreased but flow meter reads same

Question 19

Flow restrictor flow meter

Answer 19

•used on high pressure, small O2 cylinders
•accurate in any position, not affected by gravity.
•common to connect to smaller high pressure cylinders.

Question 20

Flow meter

Answer 20

•controls flow rate of gas to patient
•when gas cylinder is used, pressure reducing valve + flow meter is used
• when bulk gas system is used, just a flow meter is needed, pressure is reduced prior to patient outlet

Question 21

A reducing valve is used for?

Answer 21

To reduce high pressure of a gas cylinder

Question 22

Quick connect

Answer 22

•used at station outlet in patient room’s.

Question 23

What’s HAI (healthcare associated infection) ?

Answer 23

Develops in patient during medical treatment.

Question 24

What’s nosocomial infection?

Answer 24

Develops in a hospital setting.

Question 25

What are some factors that are high risk for infection?

Answer 25

•underlying disease •malignancy/transplant •burns •breaks in skin •prolonged stay in healthcare

Question 26

List the chain of events that need to happen in order to transmit infection.

Answer 26

1. Source of pathogen 2. Route of transmission 3. Susceptible host

Question 27

What is standard precaution?

Answer 27

Recognition that all blood, body fluid, secretion & excretion can contain transmissible agents.

Question 28

What is contact precaution?

Answer 28

Reduce the risk for transmission by direct/indirect contact with patient.

Question 29

What is droplet precaution?

Answer 29

Patients with presumed or confirmed infections transmitted by resp. Droplets.

Question 30

What are Airborne precautions?

Answer 30

Patients known or suspected to be infected with microorganisms transmitted by airborne droplet nuclei.

Question 31

Isolation precaution for contact?

Answer 31

Clean hands before entering & leaving room, gloves & down.

Question 32

Isolation precaution for droplet?

Answer 32

Clean hands before/after being in room, nose, eyes & mouth are covered before entry, remove before exit.

Question 33

Isolation precaution for airborne?

Answer 33

Clean hands before/after entering room, N-95 mask, door to room stays closed.

Question 34

Steps for donning (putting on) PPE

Answer 34

1. Hand hygiene 2. Gown 3. Mask 4. Eyewear 5. Hand hygiene 6. Gloves

Question 35

Steps for doffing (removing) PPE

Answer 35

1. Gloves 2. Gown 3. Hand hygiene 4. Goggles, face wear 5. Hand hygiene

Question 36

Handwashing

Answer 36

•alcohol based hand rub is recommended in health care •60-90% alcohol content is more effective •15-20 second handwashing

Question 37

What’s the most common mode of transmission?

Answer 37

Indirect contact

Question 38

what bodily fluid doesn’t have infectious agents?

Answer 38

Sweat

Question 39

What does offering immunizations do?

Answer 39

Decrease host susceptibility

Question 40

What are some infectious microorganisms?

Answer 40

•blood •blood pressure cuffs •non infected healthcare worker

Question 41

What may transmit blood borne pathogens?

Answer 41

1. Vomit 2. Pleural fluid 3. Non intact skin 4. Amniotic fluid 5. Saliva 6. Mucous

Question 42

What are methods of spreading blood borne pathogens?

Answer 42

1. Needle stick 2. Cutt skin 3. Eyes, nose, mouth 4. Sexual contact

Question 43

You cannot become infected by BBP by:

Answer 43

1. Sharing eating utensils 2. Kissing 3. Breastfeeding 4. Coughing, sneezing, if NO blood

Question 44

HIV- (direct/indirect contact)

Answer 44

•no cure •no vaccine •breaks down immune system

Question 45

HBV (indirect contact)

Answer 45

•chronic liver disease •most recover/clear infection •no cure

Question 46

HBC (indirect contact)

Answer 46

•causes liver disease •no vaccine

Question 47

What’s a solid?

Answer 47

Fixed volume/shape

Question 48

What’s a liquid?

Answer 48

Adapt to shape of container.

Question 49

List gases and their percentages.

Answer 49

N2- 78% O2- 21% Argon- 0.93% CO2- 0.03% Trace gases - 0.01% All = 100%

Question 50

Formula to calculate partial pressure

Answer 50

Total pressure x gas %

Question 51

What are examples of procedures done by RT where gloves should be worn as a standard precaution?

Answer 51

1. Draw blood gas 2. Bronchoscopy

Question 52

Chicken pox precaution type

Answer 52

Airborne

Question 53

Measles precaution type

Answer 53

Airborne

Question 54

TB precaution type

Answer 54

Airborne

Question 55

Rhinovirus precaution type

Answer 55

Droplet

Question 56

Mumps precaution type

Answer 56

Droplet

Question 57

Pertussis precaution type

Answer 57

Droplet

Question 58

Strep A pneumonia precaution type

Answer 58

Droplet

Question 59

SARS precaution type

Answer 59

Contact & airborne

Question 60

Smallpox precaution type

Answer 60

Contact & airborne

Question 61

VRE precaution type

Answer 61

Contact

Question 62

C-DIFF precaution type

Answer 62

Contact

Question 63

MRSA precaution type

Answer 63

Contact

Question 64

RSVP precaution type

Answer 64

Contact

Question 65

Boyles law

Answer 65

Pressure and volume

Question 66

Charles law

Answer 66

Temperature and volume

Question 67

GAY lusaacs law

Answer 67

Temperature and pressure

Question 68

Dalton’s law

Answer 68

Total pressure of gas is the sum of all partial pressures Pp formula - gas % x total pressure

Question 69

Safe way to transport/store cylinders?

Answer 69

•Upright position or laying down. •away from heat •ensure valve is closed

Question 70

Regulators (reducing valve) have a working pressure of what?

Answer 70

50 PSI

Question 71

Which flow meter is gravity dependent and should never be used with a tank that needs to be laid on its side?

Answer 71

Thorpe tube

Question 72

What happens to flow in Thorpe tube if oxygen tubing gets kinked?

Answer 72

Flow decreases

Question 73

Transitional flow pattern

Answer 73

Mixture

Question 74

Turbulent flow pattern

Answer 74

Chaotic or random, occurs at high flow rates and high pressure

Question 75

Laminar flow pattern

Answer 75

Streamlined, low flow rates and low pressure

Question 76

How does flow travel?

Answer 76

From an area of high concentration to low until equilibrium is met

Question 77

Viscosity is

Answer 77

Gas or liquids resistance to flow (thickness)

Question 78

Grahams law

Answer 78

Lightweight gases diffuse at a much faster rate than heavy gases

Question 79

Henry’s law

Answer 79

Gas molecules are more soluble at a higher pressure

Question 80

Ficks law

Answer 80

Combo of Henry’s and grahams law

Question 81

Increase in temp causes gas solubility to

Answer 81

Decrease

Question 82

Increase in temp causes gas solubility to

Answer 82

Decrease

Question 83

Increase in pressure above the gas will ______ solubility

Answer 83

Increase