EXERCISES, LESSON 2
INSTRUCTIONS: Answer the following exercises by marking the lettered response
which best answers the question.
After you have completed all the exercises, turn to "Solutions to Exercises" at the end of
the lesson, and check your answers. For each exercise answered incorrectly, reread
the material referenced with the solution.
1.
The term tonus is best defined as:
a.
The process by which all muscle fibers always contract to their maximum
capacity.
b. The ability of a muscle to stretch and return to its normal position.
c.
A slight continuous contraction of muscle tissue which aids in the
maintenance of posture and in the return of blood to the heart.
d.
The ability of a muscle fiber to contract and expand in order to meet the
requirements of extension.
2.
Which of the following is a property of muscle tissue? (More than one
response may be correct.)
a.
Irritability.
b.
c.
Extensibility.
3.
Elasticity, one of the properties of muscle tissue, is best defined as:
a.
The ability of a muscle to stretch and return to its normal position.
b.
The ability of a muscle to shorten in length.
c.
The ability of a muscle to respond to a stimulus.
d.
The ability of a muscle to extend in length.
MD0805
2-7