electricity

Question 1

T/F, dry skin decreases resistance to flow

Answer 1

False, it increases resistance

Question 2

Galvanic current is also known as _____phasic or _____ current

Answer 2

mono; direct

Question 3

What does biphasic or alternating current mean in terms of muscle

Answer 3

it means that the muscle is contracted constantly

Question 4

What does pulsed or polyphasic current mean

Answer 4

muscle is contracted, relax period, and then contracts again

Question 5

What does TENS stand for

Answer 5

Transcutaneous electrical nerve stimulator

Question 6

What does NMES stand for

Answer 6

Neuromuscular electrical stimulator

Question 7

Biphasic has ___ phases, ___ pulse

Answer 7

2;1

Question 8

Monophasic has ___ phase, ___ pulse

Answer 8

1;1

Question 9

A pulse is 1 ____ ____

Answer 9

wave form

Question 10

A phase is 1 ____

Answer 10

pulse

Question 11

Symmetrical waveform = same ____ and ___ in each ____ and ______

Answer 11

shape; size; phase; direction

Question 12

Asymmetrical waveform = different ___ in each ___ and can be _____ or ______

Answer 12

shape; phase; balanced; unbalanced

Question 13

amplitude = ____ = ____ _____

Answer 13

voltage; current intensity

Question 14

what is pulse charge

Answer 14

the sum of phase charges

Question 15

what is the pulse charge for symmetric wave forms

Answer 15

= 0

Question 16

what is the pulse charge for asymmetric wave forms

Answer 16

> 0

Question 17

A higher peak with a shorter phase is _____ comfortable

Answer 17

more

Question 18

in monophasic current, pulse duration = ___ _____

Answer 18

phase duration

Question 19

in biphasic current, pulse duration = ________ _____ ________

Answer 19

combined phase duration

Question 20

pulse period =

Answer 20

pulse duration + interpulse interval

Question 21

INC frequency = INC ___ & ____ ____

Answer 21

rise; decay times

Question 22

as pps INC what happens?

Answer 22

constant contraction

Question 23

> 70 pps is for ____ pain

Answer 23

acute

Question 24

T/F 70 pps is too high to contract therefore sensation replaces pain

Answer 24

true

Question 25

What is the best conductor in the body

Answer 25

peripheral nerves

Question 26

rank from best to worst the conductors in the body

Answer 26

1. peripheral nerves
2. blood
3. muscles
4. fat/ muscle tendon (?)
5. bone
6. Skin (insulator)