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Electrical Currents for Medication Delivery (1)
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Electrical Currents for Medication Delivery (1)
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Electrical Currents for MedicationDelivery
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
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