PTA Physical Therapy Assistant

Category - Therapeutic Modalities

Which layer of the skin determines the rate and amount of medication that are transferred to the deeper tissues?
  1. Stratum corneum
  2. Stratum spinosum
  3. Stratum granulosum
Explanation
Answer: A - Stratum corneum determines the rate and amount of medication that are transferred to the deeper tissues.

Stratum corneum helps the skin to act as a waterproofing and prevents infection.
Stratum granulosum helps in water retention and heat regulation.
Stratum spinosum is another layer of skin for protection.
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