LECTURE 1

Question 1

Formula for Ohm’s Law?

Answer 1

V= I x R

Question 2

What word describes how fast electrons move?

Answer 2

Current

Question 3

Current and resistance are :

Answer 3

Inversely related

Question 4

The ___ the pulse width:

Answer 4

Longer the pulse width, the more likely you are to stimulate motor nerves

Question 5

The type of wave most common for TENS and NMES is?

Answer 5

Asymmetrical Biphasic

Question 6

Accommodation can be prevented by :

Answer 6

Modulation, burst, turn up current

Question 7

Motor response occurs at:

Answer 7

5mA

Question 8

By turning up intensity one moves from :

Answer 8

motor response(Twitch) painful (noxious)

Question 9

What is the RMP of neurons?

Answer 9

(-70 to –90mV)

Question 10

With NMES, which muscle units are recruited first?

Answer 10

Large superficial muscle fibers- Type 2

Question 11

With normal muscle contraction, what is recruited first?

Answer 11

Type 1 are recruited first, asynchronously

Question 12

For a low rate TENS, we are using it to treat:

Answer 12

Chronic pain, twitch

Question 13

If the chart says high rate

Answer 13

High frequency, low pulse width

Question 14

The type of electrodes commonly used in clinics are ?

Answer 14

black, rubber: carbon electrodes

Question 15

Gel is used to decrease the ?

Answer 15

Impedance of the skin

Question 16

Muscles and nerves are excellent conductors Wheras skin and fat

Answer 16

are good insulators

Question 17

Ramp modulation

Answer 17

how long it will take to get to peak amplitude