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FEB 2019 PTRP > REMBE Electro > Flashcards

REMBE Electro Flashcards

1
Q

Wavelength of short ultraviolet radiation

A

180-290 m♈️

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2
Q

Wavelength of long Ultraviolet radiation

A

290-400 m♈️

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3
Q

UV wavelength that will produce reticulo-endothelial stimulation

A

2900-4000 A

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4
Q

Law that states that the magnitude of radiation flux at any particular point of the skin depends upon the distance of that point from the radiating element.

A

Bunsen-Roscoe law of reciprocity

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5
Q

The major portion of radiation from long infrared is absorbed in the stratum

A

Corneum

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6
Q

The major advantage of infrared heat lamps

A

Increased local metabolism

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7
Q

The penetration of infrared radiation opinto the skin depends upon the

A

Wavelength

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8
Q

Percentage of infrared radiation of sunlight compared to UVR

A

60%

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9
Q

Luminous infrared
Tungsten filament
Penetrates as deep as 10mm into skin tissue

A

Short wave infrared

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10
Q

Primary effect of radiant energy on tissue is

A

Thermal

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11
Q

Mottled appearance on the skin after repeated heat radiation is called

A

Erythemia ab igne

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12
Q

The normal polar formula for a galvanic current

A

CCC-ACC-AOC-COC

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13
Q

Following peripheral nerve injury the chronaxie is increased or decreased

A

Increased

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14
Q

In iontophoresis, one should keep the current strength in relation to the size of the electrodes. Approx. what milliamperage of galvanic current may be used as a guide per square inch of electrode surface?

A

0.5-1

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15
Q

For each degree fahrenheit rise of body temperture, pulse rate will increase about how many beats

A

10 beats

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16
Q

Transmission of heat using hot bottled water

A

Conduction

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17
Q

Accdg to the temperature law of van’t Hoff. For every rise of 10 degrees celcius the rate of oxidation is increased for how many time?

A

2.5

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18
Q

Wavelength for long-wave infrared radiation

A

Apprx. 1500-12000 m♈️

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19
Q

Complications that may result from excess UV radiation

A

Impetigo
Herpes simplex
Telangiectasia
(All are dt increased susceptibility of the skin from infections)

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20
Q

Galvanic-tetanus ratio of normal muscle

A

10-12 to 1

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21
Q

Increase in the chronaxie of the ms signifies increase or decrease of ms excitability

A

Decrease

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22
Q

Area of the bofy that is most susceptible to UV rad

A

Face

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23
Q

Tungsten filaments as a source

A

Luminous infrared radiation

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24
Q

Whether local or general effects result from infrared radiation depends upon the

A

Intensity of radiation

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25
Q

The opposition offered by the electrical conductor to the flow of a current is represented by the

A

Ohm

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26
Q

Ion charge that is attracted to anode

A

Positive ion

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27
Q

Ion charge that is attracted to cathode

A

Negative ions

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28
Q

Duration of faradic impulse

A

0.01 of a second

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29
Q

Effect of Electrical stimulation to denervated ms

A

Maintains circulation

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30
Q 
Positive charge ion that may be introduced into tissue c positive pole of direct current.except
A.Copper
B.Zinc
C.Histamine
D.Salicylic acid
A

D. Salicylic acid

-a negative ion

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31
Q

Histamine vz mecholyl
Mecholyl except
A.produces a more intense local counterirritation
B.deposited in deeper tissue layers of the skin and is more gradually absobed
C.systemic effects occur as a rule and more often
D.gives best results in jt affectations,peptic ulcer dse, and in varicose veins

A

A.

More intense local hyperemia dapat not a counterirritation

32
Q

Galvanic-tetanus ratio of denervated muscle

A

1:1

33
Q

Reciprocal of excitability

A

Chronaxie

34
Q

Luminous infrared radiation source

A

Tungsten filament

35
Q

Guide of dosage is erythemal response of px

A

Uv rAd

36
Q

Standard skin burner distance of UV rad

A

30 inches

37
Q

Ms is in partial reaction degeneration state
Response to a tetanizing(faradic) current
A.normal resp
B.diminished resp
C.no resp
D.brisk contraction

A

B. Diminished resp

38
Q

Ms is in full reaction degeneration state
Response to a tetanizing(faradic) current
A.normal resp
B.diminished resp
C.no resp
D.brisk contraction

A

C. No response

39
Q 
Tetanus frequency of a denervated ms
A.5-10/sec
B.30-50/sec
C.over 100/sec
D.none of the above
A

A. 50-10/sec

40
Q 
Magnetron oscillator
A. Short-wave diathermy
B.US generator
C. Low freq generator
D.microthermy
A

D. Microthermy

-Mirowave diathermy

41
Q 
Best conductivity of all tissues to an electrical current
A.skin
B.tendon
C.bone
D.muscle
A

D.muscle

The only one that will respond

42
Q

Dielectric substance
A. Device for storing an electrical charge
B. Good conductor of electricity
C. An electrolyte
D. Allows electrostatic induction across it

A

D

43
Q 
Full reaction of degeneration
A.LMN lesion
B.UMN lesion
C. Recent CVA
D. Long standing PNI
A

A.

44
Q

Heating on an electromagnetic field
A. Produces eddy current in conductive substances
B. Is a so called current of capacity
C. is less effective in vascular type in tissue
D. Is by a conduction current

A

A.

45
Q 
High frequency(short wave diathermy) wavelength of 22 meters is
A. 27.12 MHz/sec
B.40 MHz/sec
C.13.56 MHz/sec
D.nota
A

C

46
Q

High freq(short wave diathermy) wavelength of 11 meters

A. 27.12 MHz/sec
B.40 MHz/sec
C.13.56 MHz/sec
D.nota

A

A.

47
Q

Contains a primary and a secondary coil

A

Faradic coil

48
Q 
Positive ion
A. Iodine
B. Histamine
C. Salicylic acid 
D. Brass
A

B

49
Q

Counterirritant effect produced by infrared rad

A

Desensitization of superficial sensory neve

50
Q

Unit of power

A 
poWer
     A
     T
     T
     S
51
Q

Reaction degeneration following a PNI

A

Change in electrical reaction of the ms fibers

52
Q

Pigmentation resulting from infrared rad

A

Mottled

53
Q

Pigmentation resulting from UV rad

A

Homogenous

54
Q

US causes the greatest rise in temp in tissue with

A

Protein

55
Q 
When using US cavitation occurs in which
A. After laminectomy
B. Carotid sinus
C. Infected wound
D. Plastic implants
A

A.

56
Q

Occurs in the tissue layers when using ultrasound with higher than therapeutic intensity

A

Cavitation

57
Q

Burning pain during US

A

Add medium

58
Q

Wattage to Increase nerve conduction velocity

A

3 w/cm2

59
Q

US effect on membrane permeability

A

Increase

60
Q 
Assymetrical alternating current
A. Square wave DC
B. Faradic impulse
C. Sine wave
D. Static wave
A

B

61
Q

Rheobase current for denervated ms

A

Galvanic

62
Q 
Motor nerve sectioned, chronaxie
A. Increase 
B. Decrease 
C. Remains unaltered for 1 week
D. Undergoes longitudinal reaction
A

C

63
Q 
Dubois-reymonds law deals with
A. Rheobase
B. Chronaxie 
C. Intensity of stim
D. Make-break law
A

C

64
Q 
Electrotonus causes the nerve irritability to
A. Dec at cathode 
B. Inc at cathode
C. Inc a anode
D. Dec at anode
A

B

65
Q

Uv rad at 2mm level what skin layer

A

Stratum cornium

66
Q

UV rad

Intensity of rad varies inversely with the square of distance from the source

A

Inverse square law

67
Q

Electromagnetic induction is discoverd by

A

Faraday

68
Q

Current of electricity except
A. Heat is produced in all parts of the circuit
B. chemical action is produced by a direct current
C. Magnetic needle is deflected when brought near a circuit when the current is flowing
D. Very rapid alternating currents produce no chemical effects

A

D.

69
Q

Hydrogen ions

Posi or nega charge

A

Positive charge

70
Q

When testing for the polarity of a direct current generator the pole which causes most rapid bubbling is

A. Anode
B. Cathode

A

B.

71
Q

When testing for the polarity of a direct current generator the pole which causes slow bubbling is

A. Anode
B. Cathode

A

A.

72
Q 
Peripheral nerve lesion, there is no reaction of degeneration
Recovery will take place
A. 2-4 wks
B. 6-12 wks
C. 6-12 mos
D. It is a fxnal condition
A

A

73
Q 
Normal chronaxie value for skeletal ms. Except
A. 1/1000 sec
B. 1 sigma
C. 1 millisec
D. 1000 millisec
A

D.

Normal: 0.1-200 millisec

74
Q

The minimal amount of current necessary to elicit a threshold contraction of a ms

A

Rheobase

75
Q

Primary effect of UV rad

A

Photochemical

76
Q

Clinical effect of mild general body heating

A

Dec blood pressure

Inc pulse rate

77
Q 
Fxnal or hysterical paralysis will respond to
A. Galvanic
B. Faradic
C. Both
D. Neither
A

C

FEB 2019 PTRP (29 decks)

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