Focal Hand Dystonia, Sometimes Called "Musician's Cramp," Is Caused by ____

question 67

Multiple Choice

 Focal hand dystonia, sometimes called "musician's cramp," is caused by ____.

• A) extreme overlap of cortical representation of the fingers
• B) deterioration of muscles in the hand
• C) demyelination of neurons in the fingers
• D) buildup of excess GABA in the temporal cortex

---

Definitions:

Polyurethane

A polymer composed of organic units joined by carbamate (urethane) links, used in foams, elastomers, and coatings.

Monomer Units

Small molecules that can be bonded together to form polymers.

Cationic Polymerization

A type of polymerization where a cationic initiator transfers charge to a monomer causing it to become reactive and link to other monomers.

Poly(acrylonitrile)

A synthetic polymer made by polymerizing acrylonitrile, used in the production of fibers, plastics, and rubbers due to its strength and thermal stability.