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Chapter 6: Iontophoresis

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Ionization is the movement of ions in solution.

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a. True

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b. False

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b. False

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The dispersive electrode contains the ions.

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a. True

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b. False

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b. False

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pH reactions of greater than 5 are alkaline.

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a. True

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b. False

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a. True

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Which type of current does iontophoresis produce?

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a. biphasic

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b. continuous monophasic

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c. polyphasic

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d. pulsatile

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b. continuous monophasic

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What is the recommended range for iontophoresis current amplitude?

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a. 1–4 mA

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b. 5–10 mA

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c. 50–100 mA

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d. 100–150 mA

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a. 1–4 mA

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

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a. allergic reaction

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b. poor electrode contact

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c. the medication

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d. accumulation of sodium hydroxide at the cathode

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d. accumulation of sodium hydroxide at the cathode

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

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a. hydrocortisone

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b. ketoprofen

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c. lidocaine

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d. dexamethasone

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c. lidocaine

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

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a. Current intensity

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b. Electrode size

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c. Treatment time

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d. Ion dosage

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a. Current intensity

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

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