LHR Modalities + The Needle/Probe

Question 1

The 1st removal of superfluous hair by Galvanic current was in what year?

Answer 1

1875

Question 2

Who was the first person to perform Galvanic?

Answer 2

Dr. Charles Michel (opthamologist)

Question 3

The Galvanic current may be available along the entire length of the needle, but it affects tissue only where it encounters:

Answer 3

Moisture

Question 4

Sebum is an excellent what for Galvanic current?

Answer 4

Insulator

Question 5

During an Electrolysis treatment, when a complete circuit is established, the current will flow from the source (epilator), through the client, and then what?

Answer 5

Return to the source

Question 6

What does the negative pole produce in Galvanic electrolysis treatment?

Answer 6

Sodium Hydroxide (lye)

Question 7

The positive pole produces what when using the Galvanic modality?

Answer 7

Hydrochloric acid

Question 8

What produces an itchy, sweaty feeling in the palm of the hand during Galvanic electrolysis?

Answer 8

Hydrochloric acid

Question 9

Phoresis is accomplished by means of what current?

Answer 9

Galvanic

Question 10

Anaphoresis does what?

Answer 10

Irritates the skin, opens the pores, softens the skin

Question 11

Cataphoresis does what?

Answer 11

Closes the pores, soothes the skin

Question 12

The Galvanic modality affects permanent hair removal by:

Answer 12

Chemical decomposition

Question 13

Heinrich Hertz is considered the 1st scientist to demonstrate the existence of what?

Answer 13

High-frequency waves

Question 14

All are examples of high frequency current except?

Answer 14

Direct current

Question 15

A unit of frequency or number of cycles per second is measured in?

Answer 15

Hertz

Question 16

The ideal heating pattern:

Answer 16

Starts at the tip and progresses up the needle at a uniform rate

Question 17

What is the frequency at which the FCC approves for epilators?

Answer 17

13.56 mHz

Question 18

Which of the following types of current achieves electrocoagulation?

Answer 18

High Frequency

Question 19

Causes of blanching (Thermolysis) include which of the following?

Answer 19

Overtreatment of skin + shallow insertions

Question 20

The point at which the current intensity & duration application are established to destroy the papilla with minimal client discomfort?

Answer 20

Working point

Question 21

What defines dessication?

Answer 21

Removing moisture

Question 22

Different areas of the body have different moisture gradients which vary according to all except?

Answer 22

Diet

Question 23

The Blend modality affect permanent hair removal by?

Answer 23

High Frequency + Galvanic current

Question 24

In the Blend modality, the chemical action is sped up by:

Answer 24

Heat

Question 25

Which area of the body is more susceptible to pitted scarring?

Answer 25

Face

Question 26

The Blend requires the use of both poles to:

Answer 26

Complete the circuit

Question 27

In operating the Blend epilator, the technician uses how many probes?

Answer 27

1

Question 28

When Galvanic current meets with body salts and tissue moisture it creates:

Answer 28

Sodium Hydroxide

Question 29

When using the Blend, the nerve endings are coagulated by the:

Answer 29

High Frequency current

Question 30

As the evacuated follicle contracts around the fluid, it exposes its entire target area, from the papilla to the hair germ cells to the effects of:

Answer 30

Lye

Question 31

An important factor in the use of the Blend:

Answer 31

Correctly proportioned relationship between currents

Question 32

Use of Galvanic and low intensity High Frequency current for hair removal is known as what?

Answer 32

the Blend

Question 33

The needle as an instrument in our work serves two purposes:

Answer 33

Probe and Electrode

Question 34

The insulted needle prevents the action of the current from:

Answer 34

Acting on the Epidermis

Question 35

Stainless steel needles used with the positive pole will leave what on the skin?

Answer 35

Black oxide marks

Question 36

A needle must be long enough to reach the full depth of a follicle of hair in:

Answer 36

Deepest Anagen

Question 37

The taper of a needle should fit:

Answer 37

Halfway into the pore

Question 38

A tapered or insulated needle is able to concentrate larger amounts of High Frequency at the lower portion of the follicle without:

Answer 38

Over-treatment of the Epidermis

Question 39

The tapered or insulated needle is best used with hairs that are what?

Answer 39

More shallow

Question 40

The tip of the needle when properly inserted should be:

Answer 40

To the depth of the papilla

Question 41

The most commonly used needles are:

Answer 41

Standard cylindrical

Question 42

The electrical performance of the needle is determined by what?

Answer 42

Length, diameter, and shape

Question 43

A brightly polished needle will enter the follicle:

Answer 43

with less resistance

Question 44

Damaged tweezers can be saved by sharpening with what?

Answer 44

Arkansas stone

Question 45

Which of the following does NOT affect the electrical performance of the needle? a) diameter of the needle b) length of the needle c) shape of the needle d) age of the needle

Answer 45

age of the needle

Question 46

The diameter of the needle should be at first selection:

Answer 46

Equal to the diameter of the hair.

Question 46

Prior to treatment, needle must be:

Answer 46

Sterile

Question 47

The greatest feature of the bulbous needle was that it allowed you to feel the:

Answer 47

Follicle bottom

Question 48

If the client feels a sticking upon insertion, you have

Answer 48

Made improper insertion

Question 49

There can be a danger on an insensitive area of the skin to:

Answer 49

Overtreat

Question 50

Always expect to insert deeper when entering a follicle containing a:

Answer 50

Terminal gray hair

Question 51

Which needle can be used in all 3 modalities?

Answer 51

Standard cylindrical

Question 52

The hottest spot of the needle when applying Thermolysis is:

Answer 52

Tip

Question 53

If you move from a #4 probe to a #2 probe, it is best to:

Answer 53

Decrease intensity

Question 54

A needle must be long enough to reach the full depth of a follicle of hair in:

Answer 54

Anagen-6

Question 55

An insulated probe is able to concentrate larger amounts of high frequency at the lower portion of the follicle without:

Answer 55

Overtreating the epidermis