PTAP 1240 - Modalities Final Exam 2025 Questions and Answers

PTAP 1240 - Modalities Final Exam 2025
Questions and Answers




Iontophoresis DOSAGE and TIME calculation? - ANS 40mA*m



Iontophoresis DRIVING FORCE or POLARITY? - ANS Based on medicine: use SAME POLARITY
on patch to REPEAL/PUSH meds.



ELECTROSTATIC REPULSION - ANS Using same polarity of medicine on patch because equal
polarities repeal and help push meds in



ADVERSE effects to Iontophoresis? - ANS -First Degree BURN
-SHOCK if machine turned off abruptly
-Transient ERYTHEMA at electrode site
-Metallic TASTE (at face)
-Alkaline/Acid Reaction



ADVERSE reactions to Iontophoresis? - ANS -Tingling
-Stinging (lower amplitude)
-Pulling Sensation
-Burning Sensation
-Pain


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, ACID Reaction to Iontophoresis - ANS -happens under (+) pad
-increase acidity promotes protein COAGULATION & tissue HARDENING



ALKALINE reaction to Iontophoresis - ANS -happens under (-) pad
-increase alkalinity promotes protein LIQUIFICATION and tissue SOFTENING



Types of MEDICATION used in Iontophoresis? - ANS -Dexamethasone phosphate (40 mA*m)
-Salicylate
-Lidocaine



Dexamethasone phosphate ionic charge and purpose? - ANS (-) Anti-inflammatory



Salicylate ionic charge and purpose? - ANS (-) Anti-inflammatory/Pain



Lidocaine ionic charge and purpose? - ANS (+) Anesthetic/Inflammation



Iontophoresis CONTRAINDICATIONS - ANS -Decreased SENSATION
-METAL IMPLANT
-Active BLEEDING
-Recent SCARS
-PACEMAKER
-ALLERGIES to meds/adhesive



COMMON meds for iontophoresis? - ANS Hydrocortisone, Dexamethasone, Sodium
Salicylate, Lidocaine




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