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ST 120 BIOMED/SURGICAL ENVIRONMENT/SAFETY Flashcards | StudBud
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ST 120 BIOMED/SURGICAL ENVIRONMENT/SAFETY
ST 120 BIOMED/SURGICAL ENVIRONMENT/SAFETY
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1
The left to right movement of the robotic arm on the DaVinci robot is called?
Telchir
Articulation point
Yaw
Roll
2
Which of the following is not part of the fire triangle?
Carbon Dioxide
An ignition source
Fuel
Oxygen
3
Pressurized water fire extinguishers is most effective against:
Class C fires
Class B fires
All of the above
Class A fires
4
Which of the following electrical energy concepts is measured in
OHMS
?
Impedance
Resistance
Frequency
Power
5
The concept of light energy include all of the following
EXCEPT
?
Color
Reflection
Refraction
Radiation
6
Defamation or injury to a persons charactor in writting is called?
Slander
Battery
Libel
Liable
7
The method of heat transfer used in a neonatal warmer is:
Refraction
Convection
Radiation
Conduction
8
The purpose of performing an initial handwash prior to surgical scrub is:
Remove resident microoranisms
Render hands sterile
Protect personnel from contract disease from patient
Remove gross soil and transient microoranisms
9
Patient safety in the OR is the responsibility of the:
Circulator
The entire surgical team
Anesthesiologist
Surgeon
10
Which of the following in
NOT
an acceptable method for transporting dirty instruments down a hallway following a case
All are acceptable
Covered in a plastic bag
In a closed case cart
In an open mesh-bottomed tray
11
When draping the sterile field, the CST would do all of the following
EXCEPT:
Drape from the periphery to the operative site
Protect the gloved hand with a cuff
Drape the patient and all equipment to be included in the sterile field
Hold drapes in a contact position above the waist level
12
You receive an item with a lumen that has been soaking in CIDEX solution, what action should be performed?
The item must be processed in STERIS solution before use.
The item needs to be rinsed and the lumen flushed with sterile water
The item must be flushed and rinsed using 0.9% NaCl
The item is safe for patient use once aeration has been achieved
13
Which of the following statements concerning current is true?
AC flows back and forth along a single pathway due to changes in polarity
None of the above
Household DC changes directions approx. 60 times per second
AC is used in batteries
14
If a premedicated patient was left unattended and fell from a stretcher receiving an injury, which would apply?
Corporate negligence
Docterine of the resonable man
Accountability
Abandonment
15
The OR suite temperature should be raised from the normal 68 to 75 F for which of the following patient populations?
Female
Pediatric
Diabetic
Adolescent
16
A CST needs to process a tray using the STERRAD sterilizer, how long will the cycle take?
One hour
20-30 minutes
two hours
10 hours
17
The last 3 patient's in room #10 have suffered complications due to SSI's, which dept would investigate events?
OR Leadership
Hospital board
Risk Management
Pathology
18
The
BOWIE-DICK
test must be run daily in which type of sterilizers?
Peracetic acid
Hydrogen peroxide plasma gas
Prevacuum (dynamic)
Ethylene oxide gas
19
Which of the following antiseptics should not be used for prep during LASER procedures?
Hexachlorophene
Chlorhexidine gluconate (CHG)
Isopropyl alcohol
Povidone iodine
20
If the red light comes on or the alarm from the line iosolation monitor sounds, you would:
Immediatly notify the supervisor
Pull the fire alarm
Unplug the last piece of equipment plugged into the power system
Document it
21
Which of the following electrical energy concepts is measured in
HERTZ
?
Voltage
Amperes
Frequency
Power
22
A moist sponge is placed in the rectum during a LASER procedure to:
Keep bacteria out of the field
Prevent seepage of fecal material
Prevent the escape of methane gas
Decrease foul odors
23
Which of the concepts of ESU energy flow is correct?
All of the baove
Use of bipolar energy may result in alternate site burns
The use of bipolar energy requires the use of a return electrode
Use of monopolar energy flow may result in alternate site burns
24
All of the following are safeguards to be followed when using electronic devices,
EXCEPT:
Avoid excess pulling on cords
Keep liquids away from electrical equipment
Dissconnect equipment to turn it off
DO not place ESU generators next to patient monitors
25
Which of the following types of sterilizers would require a drying cycle?
Peracetic acid
Ionizing radiation
Ethylene oxide gas
Gravity displacement
26
All of the following actions reduce exposure to ionizing radiation
EXCEPT:
Increasing the distance between you and the source of radiation
Decreasing time in the beam
Wearing lead apron, collar or gonadal shield
USing a smoke evacuator and high filtration (LASER) mask
27
Aeration is essential following sterilization by:
Ethylene oxide gas
Hydrogen peroxide plasma
Activated glutaraldehyde
Ionizing radiation
28
Which type of electrocautery device would allow the energy to be focused between the tips of an instrument?
Monopolar
Bipolar
Morcellator
Footswitch
29
The mechanical energy device that uses ultrasonic vibrating tip to "break up" and vacuum away tissue is:
Morcellator
LigaSure
Cavitational Ultrasonic Suction Aspirator (CUSA)
Harmonic Scalpel
30
To decrease airborne contamination and static electricity in the OR suite, the relative humidity should be maintained at
30% to 35%
40% to 45%
50% to 55%
70 to 75%
31
What action should be taken for a patient with a latex allergy?
Cancel surgery
Schedule procedure for first case of day
No need to alter schedule as long as latex precautions are used
The procedure should be scheduled for last case of the day
32
Which of the following is
NOT
a poperty of solids?
Have a fixed volume
Are found in amorphous arrangements
Are found in crystal arrangements
Take the shape of the container
33
The safest, most practical means for sterilizing heat and moisture-stable items is:
Activated glutaraldehyde
Boiling water
Ethylene oxide gas
Saturated steam under pressure
34
The specimen removed during a nephrectomy was accidentlly discarded, this would be concidered a/an:
Patient safety issue
Unintentional tort
Misconduct
Sentinal event
35
Which legal term has been broken when a surgical team member discloses information about a patient?
Invasion of privacy
Docterine of resonable man
Primum non nocere
iatrogenic injury
36
When lifting heavy objects, you should:
Lift with a slow, even motion
Stand as far away from the object being moved as possible
Keep knees straight
All of the above
37
Which of the following electrical energy concepts is measured in
WATTS
?
Voltage
Power
Frequency
Amperes
38
Which of the following agents gives off toxic fumes when used?
polymethylmethacrylate
Alcohol
Nitrous oxide
Chlorhexidine gluconate (CHG)
39
The purpose for keepin OR doors closed is to:
Decrease noise level
Maintain proper temperture
Maintain positive pressure
Maintain negative pressure
40
Solid medium LASER's include which of the following types?
Tunable dye and Nd:YAG
Argon and carbon dioxide
Carbon dioxide and KTP
KTP and Nd:YAG
41
Which disinfectant should not be used on scopes due to the potential of loosening cement around the lens?
Phenolic compounds
Chlorine compounds
Isopropyl alcohol
Glutaraldehyde
42
The sate of matter that has no fixed volume or shape and is affected by magnetic and electrical field is:
Liquid
Solid
Gas
Plasma
43
The scrun has completed the surgical set-up when notified that the surgeon will be 30 mins late, they would?
find a stool and sit until notified further
Remain with the steile field until further notified
Break scrub and get instructions from a supervisor
Cover the sterile field and take a break
44
The motto of AST is
Aeger Primo
which means?
Patient first
First, do no harm
It's Miller time!
Do your best
45
Which of the following is a recommended ventilation practice in an individual OR?
Laminar air flow at a rate of 25 air exchanges per hour
At least 20 air exchanges per minute
Negative air pressure
Use of an in-line HEPA filters
46
If the tempersture on the steam sterilzer reads 270° F, what shouild the pressure reading be>
15-17 psi
27 psi
20 to 25 psi
30 to 35 psi
47
The ESU cord in your room has been frayed, what should the CST do?
Do not use the ESU
Use the equipment until a replacement has been provided
Wrap the cord securly with electrical tape
Cancel the surgery
48
The minimum temperature required to kill bacterial spores is:
212° F (100° C)
250° F (121° C)
270° F (132° C)
32° F (0° C)
49
Which electrical energy device uses the collagen matrix in vessel walls and connective tissue to fuse tissue matrix?
ESU
Argon beam coagulator (ABC)
LigaSure
Harmonical Scalpel
50
All of the following are safety conciderations during LASER procedures
EXCEPT:
Use of special LASER eyewear by the surgical team
Use of special Endotracheal tubes when using LASER
Use of moistened drapes around target tissue
Use of reflective metal instruments
51
A chemical agent used to inhibit the growth of microorganisms on skins:
Antiseptic
Disinfectant
Sporicide
Antihistamine
52
A single robotic arm:
Controls the room functions in an integrated suite
Attaches to the bedrail of the OR table
Is guided by the surgeon seated at a remote console
Translates actions of the surgeon's hand movements
53
Which type of LASER would be used for a cervical ablation?
Krypton
Holmium:YAG
Nd:YAG
Carbon Dioxide (CO2)
54
Which type of LASER is commonly used for cyctoscopies?
Nd: YAG
Carbon Dioxide (CO2)
Krypton
Holmium: YAG
55
Which mechanical energy device uses a piezo-electric transducer to create mechanical friction energy?
Morcellator
Argon beam coagulator (ABC)
Harmonic-Scalpel
LigaSure
56
The process of destroying microorganism on inanimate objects is:
Disinfection
Sterilization
Sanitation
Decontamination
57
You spill peracitic acid while processing a scope, what should you do to ensure the spill is handled correctly?
Call OR leadership
refer the spill to housekeeping, as it is their job to clean areas
Use copious amounts of water to clean spill
Refer to the MSDS sheet
58
What particles are found in the nucleus of an atom?
Neutrons and photons
Protons and neutrons
Electrons and photons
Protons and electrons
59
A small LASER fire has ignited in the OR, which class of extinguisher should be used?
Class A
Water
Class B
Class C
60
The most reliable means of monitoring the effectiveness of the sterilization parameters being met is:
None, no monitoring is required
Chemical indicators
Biological indicators
Mechanical indicators
61
Which of the following is
NOT
a source of ionizing radiation?
Radioactive elements
X-rays
Fluoroscopy
LASER's
62
Which Spaulding classification would be applied to instruments/equipment coming in contact with mucous membranes?
Restricted
Non-critical
Semi-critical
Critical
63
Which type of LASER would be used on an arthroscopy?
Krypton
Holmium: YAG
Carbon Dioxide (CO2)
Nd: YAG
64
If a surgical sponge is left in a patient, which legal docterine would apply?
Respondent superior
Assult and battery
Extension docterine
Res ipsa loquitur
65
A particle of LASER light energy is called a/an:
Neutron
Electron
Photon
Proton
66
Which of the following materials is
NOT
a conductor of electrical energy?
Copper
Carbon
Water
Rubber
67
Which legal term means "
first, do no harm
" ?
Primum non nocere
Respondent superior
Res ipsa loquitur
Iatrogenic medical injury