Content Frame
Note for screen reader users: There is text between the form elements on this page. To be sure that you do not miss any text, use item by item navigation methods, rather than tabbing from form element to form element
[Skip Breadcrumb Navigation]

Muscular System: Contraction of Motor Units

Interactive Physiology® Quiz: Muscular System: Contraction of Motor Units

This activity contains 10 questions.

Question 1
1 A motor neuron and all the muscle cells it innervates is called a:
 
End of Question 1


Question 2
2 Stimulation of additional motor units will increase the strength of contraction. This process is called:
 
End of Question 2


Question 3
3 Where is the interneuron located?
 
End of Question 3


Question 4
4 The muscles of the eye need to make precise small motor movements. What size are the motor units in the eye?
 
End of Question 4


Question 5
5 The muscles of the thigh exhibit gross movements for walking. What size are the motor units in the thigh?
 
End of Question 5


Question 6
6 Random, asynchronous motor unit contractions provide a low-level tension and resistance to stretch called muscle __________.
 
End of Question 6


Question 7
7 What will happen to a muscle if the motor neuron is cut?
 
End of Question 7


Question 8
8 Where is the motor neuron located?
 
End of Question 8


Question 9
9 In the quiz, what was the size of the motor units required in the arms and legs of the offensive player so that he could make the basket?
 
End of Question 9


Question 10
10 The synapse between a motor neuron and the muscle it innervates is called a:
 
End of Question 10


Clear Answers/Start Over




Answer choices in this exercise appear in a different order each time the page is loaded.


Pearson Copyright © 1995 - 2011 Pearson Education . All rights reserved.
Legal Notice | Privacy Policy | Permissions

[Return to the Top of this Page]