IRT is a type of laser therapy. Indicate whether the statement ...

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IRT is a type of laser therapy.
 
  Indicate whether the statement is true or false

Question 2

Nerve fibers of the peripheral nervous system are wrapped by protective membranes. Name the two membranes and describe each.
 
  What will be an ideal response?

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Answer to Question 1

FALSE
Explanation: IRT is a type of internal radiation therapy.

Answer to Question 2

In the PNS there are two types of sheaths: myelinated and unmyelinated, which are formed by accessory cells. Myelinated fibers have an inner sheath of myelin, a thick fatty substance, as well as an outer sheath, or neurilemma, composed of Schwann cells. Unmyelinated fibers lack myelin and are only sheathed by the neurilemma.