A.4.6. Motor Units
2
Created on By wlammers_qzgo0ve6

MCQ A.4.6.

1 / 5

In a typical skeletal muscle, there are approximately 5000 muscle fibres and 500 motor units. How much, on average, is the size of a typical motor unit in this muscle?

2 / 5

This question relates to the functional anatomy of the axons in and around the spinal cord. Which of the following statements is correct?

3 / 5

When three motor units each fire three action potentials in quick succession, the resulting contraction will then be called:

4 / 5

When three motor units each fire one action potential simultaneously, the resulting contraction will then be called:

5 / 5

In a typical motor unit, three action potentials are generated quickly after each other. The resulting contraction resulting from such an activity is labelled:

Your score is

The average score is 70%

0%

X