Question

1) Muscle tone is the result of:

a) asynchronous firing of motorunits

b) incomplete tetanus.

c) multiple muscle twitches.
d) multiple motor unit summation.

2) Under normal circumstances, at the level of single skeletalmuscle fibers, there are:

a) all-or-nonr responeses

b) graded contractions, depending onstimulus input

c) rapid spasmodic contractions, resulting in themain contraction

3) The muscles of the eye need to make precise small motormovements. Therefore, you would find large motor units in the eye,while you would find small motor units in postural muscle such asthe thigh.

a) True

b) False