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Lange Ch. 30 - Biomedical Science Flashcards | StudBud
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Lange Ch. 30 - Biomedical Science
Lange Ch. 30 - Biomedical Science
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1
The three laws of motion that are the basics of classical mechanics are the work of:
Ohm
Hooke
Newton
Bohr
2
All waves in the laser are monochromatic. This refers to:
the diameter of the beam is the same
all waves in the laser have the same length and are one color
they use the same power settings
all waves move in columns
3
What type of energy is used with the harmonic system? (harmonic scalpel, forceps, scissors)
Radiofrequency
Monopolar
Fulgruation
Ultrasonic
4
In a simple electrical circuit, the wire that connects to the switch is:
None of the above
neutral
ground
hot
5
When entering a room while the laser is in use, you must:
wear a lead apron
wear protective eyewear
no special precautions are necessary
wear a special mask
6
The longer wavelengths of the color spectrum are seen in what color?
Blue
Violet
Green
Red
7
On the surface of the Earth, what causes objects to accelerate downward?
Electrical charges
Energy
Gravity
Excitation
8
Motion is known as _____ energy.
total
mechanical
potential
kinetic
9
What device is used to control the flow of electricity at the will of the operator?
Conductor
Switch
Load
Resistor
10
All of the following are true of lasers EXCEPT:
only flame retardant drapes are used in laser surgery
safety officer is required to manage laser risks and define safety protocol
signs should be visible to areas where laser surgury is being performed
lasers do not need to be locked up when not in use
11
For every action there is an equal and opposite reaction references:
Newton's third law
Newton's first law
Newton's second law
Newton's fourth law
12
Most outlets in the operating room run on:
220 V
110 V
120 V
60 V
13
A device that transmits an impulse to a wave-transmitting system is:
an optical fiber
an isolated circuit
a resistor
a radio transmitter
14
Which laser produces a visible blue-green beam?
YAG
Co2 Laser
Excimer (gas laser)
Argon laser
15
Visual display on the desktop of shortcuts to available programs is called:
windows
displays
icons
topics
16
A separate wire that is an essential protection against an electric shock is:
hot
neutral
active
ground
17
The bending of a light ray as it passes from one substance to another is called:
refraction
vibration
incidence
reflection
18
A medical imaging technique that reveals the body's dynamic activities is:
tomogram
PET
ultrasound
CT
19
Who is ultimately responsible for abiding by all safety protocols during the use of electrosurgery?
Surgeon
All perioperative personnel
STSR
Circulator
20
Which of the following can be used as a cutting electrode?
All of the above
Wire loop
Spatula
Needle tip
21
The device that enables a computer to send and receive information by phone line is called a:
monitor
USB port
scanner
modem
22
An enzyme extracted from bovine blood used as a topical hemostatic agent is:
collagen
tannic acid
thrombin
oxytocin
23
A repeated periodic disturbance or variation of energy, carried through a medium from point to point is called:
transfer energy
wave
molecular change
oscillations
24
The standard metric unit of power is:
watt
volt
amp
hertz
25
A specially treated form of surgical gauze that has a hemostatic effect when buried in tissue is:
Gelfoam
Oxycel
topical thrombin
human fibrin foam
26
Restriction of the flow of current to a source is called:
power
resistance
force field
magnetism
27
The paper form of data in computer technology is the:
database
file
disc
hard copy
28
The following equipment must be available during a laser laryngoscopy:
tracheotomy tray, wet towels
water and wet cottonoids
None of the above
bronchoscope, tracheotomy tray
29
Which theory explains the flow of electricity?
Atomic
Ohm's
Kirchhoff's
Electron
30
What laser has the most power output?
Gas
Solid state
Liquid
Semiconductor
31
The center of atom is called the:
nucleus
matter
mass
charge
32
Radio waves are considered _____ waves.
magnetic
simple
direct
isolated
33
A hardware component that converts printed text or picture to digital information for use in documents is called the:
printer
modem
scanner
ethernet cord
34
One example of DC (direct current) is:
a surgical room light
an x-ray machine
an electrosurgical unit
a flashlight
35
The transfer of thermal energy by contact is called:
conduction
radiation
convention
greenhouse effect
36
The frequency of sound is stated in a measurement of:
cpmressions
waves
amps
hertz
37
An ESU used for delicate surgery is a:
monopolar unit
disposable unit
bipolar unit
dispersive electrode unit
38
The study of objects in motion is:
speed
acceleration
mechanics
velocity
39
When current passes from the ESU through the active electrode, the energy is converted from electrical to _____ .
chemical
mechanical
magnetic
thermal
40
Current is measured in:
amps
circuits
loads
volts
41
A plume of vaporized tissue may contain residual _______ and is, therefore, important to protect the staff.
All of the above
carcinogens
blood-borne pathogens
mutagens
42
If an object returns to its original position after force has been applied and then removed is said to be:
dynamic
periodic
static
elastic
43
When operating a piece of electrical OR equipment, the most vital prong for safety proposes is the:
positive
safety
negative
ground
44
Located on the back of CPU are special openings called ____ for plugging in cables for adding more computer components.
cords
drives
ports
networks
45
What is the sterile component used with the electrosurgical unit?
Active electrode
Generator
Patient return electrode
Grounding pad
46
All of the following are true of lasers EXCEPT:
electricity does pass through the patient durning laser surgery
electricity does not pass through the patient durning laser surgery
laser uses intense hot, precisely focused beams of light to cut/coag tissue
LASER: acronym for light amplification by stimulated emission of radiation
47
The path which electricity travels from its energy source and back again is called:
conductor
ampere
resistor
circuit
48
A product used to buffer the computer hardware against high electrical voltages is called a:
zip drive
surge protector
grounding pad
modem
49
Alternating current has the ability to:
step-up voltage
All of the above
alternate voltage
step-down voltage
50
When current moves in one direction and then reverses to return to the source, it is known as:
electrical current
optional current
direct current
alternaing current
51
The maximum distance that an object moves from its central position (equilibrium) is called:
cycle
frequency
momentum
amplitude
52
Who first identified a collection of particles of light as "photons"?
Newton
Young
Bohr
Einstein
53
On the Internet, what function is used to return to a recently opened site that you have not saved on your computer?
Favorites
Search
Address book
History
54
____ borders the outer perimeter of an atom and is ____ charged.
Proton, negatively
Electron, negatively
Electron, positively
Neutron, positively
55
The fourth force found only in nature, and not in the nucleus, is known as:
gravitational force
elctromagnetic force
kinetic energy
binding energy
56
The movement of electrical charge through a conductor is called:
conduct
insulation
migration
electrical current
57
The component part of the computer that controls the cursor is called the:
scanner
index
mouse
scroller
58
What scientist, expanding Hooke's wave theory, theorized that light can bend because it is a wave?
Newton
Ohm
Einstein
Young
59
The arrow, which appears on the screen to identify the location of currently addressed information is known as a:
taskbar
scanner
icon
cursor
60
The rate at which work is done is known as:
velocity
watt
power
energy
61
Web research is generally conducted with the help of:
cursors
browser
search engines
instant access
62
An AC (alternating current) cycle is termed a:
amp
hertz
wave
volt
63
Cryoablation uses a high-pressure gas called:
argon
excimer
Co2
KTP
64
What material forms the best conductor of electricity?
Copper
Lead
Saltwater
Rubber
65
Endotracheal tubes and other anesthetic equipment can easily ignite in the presence of laser energy and:
silastic endotracheal tubing
pacemakers
o2-rich anesthetic agents
defibrillators
66
The gain or loss of electrons in an atom is termed:
consolidation
hydraulic pressure
ionization
Boyle's law
67
The sterile component of the ESU is:
inactive
ground
active
patient plate
68
Nucleons are composed of subatomic particles known as:
protons
quarks
neutrons
isotopes
69
The tips of the active electrodes used in minimally invasive surgery (MIS) are coated with insulation to prevent:
patient from being burned
None of the above
glare coming off the metal instrument
keeping the metal portion of the instrument clean
70
What is the medium or elements activated to transmit photons in a laser beam?
Liquid dye
Solid
Gas
All of the above
71
Anything that has mass and occupies space is termed:
matter
element
insulator
conductor
72
Surgery using extremely cold instrument to destroy tissue is called:
laser surgery
cryosurgery
ultrasonic surgery
phacoemulsification surgery
73
The proper placement of the patient return electrode or grounding pad should be:
always on the opposite side
farthest from the surgical site
on the surgical side
near a bony surface
74
The property of matter that causes a matter to resist change in motion is called:
range
momentum
speed
inertia
75
When using the ESU for coagulation, the energy delivered is:
intermediate frequency and intermediate high voltage
intermittent waves at a low frequency and low voltage
intermittent waves at a low frequency and high voltage
intermediate waves and low voltage
76
Forceps or an instrument that contains two contact points which are used to coagulate tissue are called:
Potts forceps
monopolar
bipolar
Ferris-Smith
77
Electrosurgery can be used to:
coagulate blood vessels
All of the above
destroy or remove disease tissue
incise tissue
78
Sealing vessels with electrosurgery requires:
high frequency
All of the above
bipolar ESU instrument
physical pressure to create a weld in tissue
79
Any time that an object's velocity is changing, we say it is:
orbiting
accelerating
projecting
static