Electrical Currents for Medication Delivery (1)

Electrical Currents for Medication
Delivery
How long has transcutaeneous drug delivery been used for - CORRECT
ANSWER-centuries

The use of an electrical current for the transcutaneous delivery of ions into the body -
CORRECT ANSWER-Iontophoresis

Uses acoustic energy to drive molecules into tissue (ultrasound) - CORRECT
ANSWER-Phonophoresis

Uses electrical current to transport ions into tissues - CORRECT
ANSWER-Iontophoresis

Current density should be reduced at this electrode (2x larger pad) - CORRECT
ANSWER-Cathode (neg electrode)

Which reaction (alkaline or acidic) have the higher chance for tissue damage -
CORRECT ANSWER-Alkaline (+ ions)

Movement of ions in tissue (+ drugs with what electrode) - CORRECT ANSWER-+
drugs with + electrode (anode)
- drugs with - electrode (cathode)

Which current type is required to provide cont. drug transmission - CORRECT
ANSWER-Direct Current

Amp range for iontophoresis current - CORRECT ANSWER-0.1 to 4 mA

Current amp applied depends on - CORRECT ANSWER-Pt tolerance
size of delivery electrode
Length of treatment

What should pt feel during iontophoresis - CORRECT ANSWER-Tingling or prickly
sensation

Maximum current density should be determined by - CORRECT ANSWER-Size of
the active electrode

Positive result should be obtained within - CORRECT ANSWER-4-5 treatments