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Chapter 6: Iontophoresis

Ionization is the movement of ions in solution.

a. True

b. False

b. False

The dispersive electrode contains the ions.

a. True

b. False

b. False

pH reactions of greater than 5 are alkaline.

a. True

b. False

a. True

Which type of current does iontophoresis produce?

a. biphasic

b. continuous monophasic

c. polyphasic

d. pulsatile

b. continuous monophasic

What is the recommended range for iontophoresis current amplitude?

a. 1–4 mA

b. 5–10 mA

c. 50–100 mA

d. 100–150 mA

a. 1–4 mA

Chemical burn is often associated with iontophoresis and may be attributed to

a. allergic reaction

b. poor electrode contact

c. the medication

d. accumulation of sodium hydroxide at the cathode

d. accumulation of sodium hydroxide at the cathode

Which of the following is not an ion used to treat inflammation?

a. hydrocortisone

b. ketoprofen

c. lidocaine

d. dexamethasone

c. lidocaine

Skin impedance usually decreases during treatment. _______ should be decreased to avoid pain and burning.

a. Current intensity

b. Electrode size

c. Treatment time

d. Ion dosage

a. Current intensity

What problem do areas of thick fat and callused skin present?

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