Which term means abnormal tone? A) atonia B) dystonia C) ...

[Jkov05]

Which term means abnormal tone?
 
  A) atonia
  B) dystonia
  C) hypotonia
  D) myotonia

Question 2

Which of the following surgical procedures stabilizes a detaching retina?
 
  A) scleral buckling
  B) laser photocoagulation
  C) photorefractive keratectomy
  D) enucleation

[blakeserpa]

Answer to Question 1

B
Explanation: Dys- means difficult or abnormal and -tonia means tone; therefore, dystonia means abnormal tone. A- means without; hence, atonia means lack of tone. Hypo- means insufficient; thus, hypotonia means insufficient tone. My/o means muscle; myotonia means muscle tone.

Answer to Question 2

A
Explanation: Scleral buckling stabilizes a detaching retina. Laser photocoagulation destroys a piece of the retina. Photorefractive keratectomy reshapes the cornea. Enucleation removes the eyeball.