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PHT NBCE Boards > PT 1 MT > Flashcards

PT 1 MT Flashcards

1
Q

increase body temperature causes..

A

decreased blood pressure

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2
Q

according to most dermatologists, the UV light in a tanning booth does not increase the risk of skin cancers

A

FALSE

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3
Q

if a nerve membrane potential reaches threshold, an action potential will result unless..

A

none

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4
Q

what therapy can decrease muscle spasm

A

heat and cold

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5
Q

deep heat is contradicted for patients that are diabetic because

A

poor heat dissipation system can result in burn

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6
Q

what vascular changes occur from tissue exposure to the chemical mediators of inflammation?

A

increased capillary hydrostatic pressure

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7
Q

transfer of heat to your patient with sitting in a steam room primarily occurs by

A

convection

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8
Q

(transfer of heat to your patient when sitting in a steam room primarily occurs by)

A

atherosclerosis of the lower extremities

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9
Q

U/S intensity is currently measured as..

A

as watts/cm2

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10
Q

(U/S intensity is currently measured)

A

the U/S crystal

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11
Q

where can field shortwave diathermy may safely be used

A

across the chest (to tx congestion)

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12
Q

what is not a chemical mediator of inflammation

A

bromelain

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13
Q

what tissue heats faster when exposed to continuous U/S

A

periosteum

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14
Q

what is the proper temperature for a hydrocolator tank to be maintained

A

160-170 F

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15
Q

what U/S specifications describes the degree of uniformity in the U/S beam?

A

beam non-uniformity ratio (BNR)

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16
Q

what therapy increases the chance of cataract formation?

A

shortwave diathermy

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17
Q

near UV radiation has ___ than far UV radiation

A

longer wavelength

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18
Q

what happens first when someone freezes to death?

A

loss of consciousness

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19
Q

ONE over-exposure of therapeutic light can cause ____ if the eyes are not protected

A

conjunctivitis

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20
Q

increased body temperature causes

A

decrease in blood pressure

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21
Q

heat applied to a congested tissue would cause what

A

increase edema

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22
Q

deep heat therapy is contraindicated in patient with raynaud’s dz T/F

A

FALSE

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23
Q

underwater application of U/S is shown to be equally effective as deep heater direct contact U/S if appropriate methods of application are performed T/F

A

false

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24
Q

when describing therapeutic U/S the term “effective radiating area” means

A

the surface area of the U/S crystal

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25
Q

your patient has allergic skin lesions of poison oak contact where you desire to treat with a physical therapy modality, what therapy is NOT contraindicated

A

cryotherapy

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26
Q

the application of cryotherapy causes prolonged vasoconstriction of both arteries and arterioles. this vasoconstriction produces what result?

A

increased arterial pressure

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27
Q

patients with vascular intermittent claudication report that pain is worse in what condition?

A

during prolonged walking

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28
Q

(consider how one numerically reports capillary filling time)

A

increased capillary filling time = (+) finding

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29
Q

what role does sympathetic nervous system play in causing heat related vasodilation?

A

pain of spinal reflex (efferent pathway)

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30
Q

exposure to UV light will allow our bodies to produce vitamins D, what will facilitate this function?

A

none of the above

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31
Q

a person with raynaud’s dz is

A

equally likely to be burned from an external heat source as a person w/out raynaud’s

32
Q

what physical therapy modalities may be safely applied in regions where there is greater that 1’ thickness of subcutaneous fat

A

continuous U/S

33
Q

what possible result can be the GREATEST RISK to a patient receiving short wave diathermy?

A

treating a patient who is electrically grounded

34
Q

perspiration allows us to survive in ambient temperatures greater than body temperatures because it uses _____ to remove heat from the body even if air around is greater than 98.6F

A

conversion

35
Q

what patient is most likely to develop erythemia ab igne?

A

chronic low back pain patient

36
Q

what physical therapy modality is safe when treating an area when metal surgical screws are present?

A

continuous U/S

37
Q

after healing of a grade 2 tendon injury this type of injury will be

A

weaker than pre-injry strength regardless of care

38
Q

myofascial adhesions would most likely have significant biomechanics and neuromuscular consequences in which location

A

paraspinal muscles

39
Q

viscerosomatic reflex for intermittent claudication -> which heats the least volume of tissue most rapidly.

A

shortwave diathermy

40
Q

near UV radiation has ____ than far UV radiation

A

longer wavelength

41
Q

an acute sunburn is best treated with infared therapy because increased bloodflow will provide oxygen and nutrients to the cells for rapid healing T/F

A

FALSE

42
Q

because increased tissue temperature results in increased metabolic rate, deep heating over normal endocrine glands can result in dangerous increase in hormone secretion. as a result, certain regions of the abdomen are CI to deep heat therapy T/F

A

false

43
Q

near infrared has ____ than far infrared

A

shorter wavelength

44
Q

what are nociceptor stimulators?

A

histamine

45
Q

fibrinogen is a soluble protein that easily passes across normal capillary barriers T/F

A

FALSE

46
Q

easy mobilization of second degree sprain will result in scar tissues that are as strong as previously injured tissues T/F

A

FALSE

47
Q

what is the vant hoff law?

A

increased tissue temperature causes an increase in metabolic rate

48
Q

what is the cosine law

A

radiant energy (radiation) is best absorbed if perpendicular to the exposed surface

49
Q

heat applied to a congested tissue would cause what?

A

increased edema

50
Q

primary mechanism by which ultrasound causes heat is…

A

conversion

51
Q

what mechanism of heat produced vascular changes is not initiated by neurologic heat temperature sensors in the skin?

A

hypothalamic response

52
Q

what are contradictions to superficial heat

A

patient w/ pulmonary embolism under current anticoagulant treatment

53
Q

a substance with high heat capacity will

A

heat up quickly but cool down slowly

54
Q

what substances has a high heat capacity as discussed in physical therapy class?

A

water

55
Q

mineral oil is added to the paraffin bath because..

A

it allows easy removal of the wax

56
Q

the pathologic consequences of erytherma Ab IGne include

A

none of the above

57
Q

what physical therapy modalities is/are contraindicated in regions where there is more than one inch thickness of subcutaneous fat?

A

shortwave diathermy

58
Q

what physical therapy modalities is/are contraindicated when treating patients with pacemaker implants?

A

shortwave diathermy

59
Q

what physical therapy modalities is/are contraindicated when treating in an area where metal surgical screws are present?

A

shortwave diathermy

60
Q

what is the most penetrating of the deep heaters

A

ultrasound

61
Q

the pathologic consequence of periosteal reaction is..

A

none of the above

62
Q

what type of shortwave diathermy uses 2 parallel electrodes with the patients body part placed in the middle?

A

condensur

63
Q

what therapy has been shown in animal studies to significantly increase the rate of healing of soft tissue injuries?

A

pulsed ultrasound

64
Q

patient has poison oak on skin where you want to treat, what is not contraindicated?

A

cryotherapy

65
Q

FDA regulations following ultrasound parameters is deepest penetrating..

A

1 MHz, 10 square cm effective radiating area

66
Q

the application of cryotherapy causes a prolonged vasoconstriction of both arteries and arterioles. this vasoconstriction produces what result?

A

increased arterial pressure

67
Q

ultrasound treatment time is 5-15 min, less than most heat therapies because of an increased risk of

A

thrombosis

68
Q

treatment distance for the typical, 750 watt radiant infared heater is

A

14-18 inches

69
Q

ultrasound therapy over the CNS has been reported to cause

A

arythmias

70
Q

erythema Ab Igne is typically caused to be repeated, long term exposure of

A

infared

71
Q

the pathologic consequence of erythema Ab is..

A

none of the above

72
Q

what therapy modality heat by conversion

A

ultrasound

73
Q

underwater application of continuous ultrasound has been shown in scientific studies to be an appropriate method of ultrasound application

A

FALSE

74
Q

what are considered to be deeply penetrating therapies?

A

ultrasound

75
Q

stable cavitation is a theory that explains the possible mechanisms of the effects of..

A

pulsed ultrasound

76
Q

(may have more than one answer)

A

syphilis

77
Q

excessive heating to the eyes may cause..

A

catarrats

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