Quiz 2

Multiple Choice

1. The type of muscle that is attached to the bone of the skeleton is a. smooth b. cardiac c. respiratory d. skeletal

2. The ability of a muscle to reduce the distance between the parts of its contents is a. excitability b. elasticity c. contractibility d. extensibility

3. The ability of a muscle to return to its original length is called: a. excitability b. elasticity c. contractibility d. extensibility

4. The part of a skeletal muscle that is attached to a fixed structure is called: a. origin b. insertion c. attachment d. ligament

5. The muscle on the back of the upper arm is called: a. bicep b. tricep c. deltoid d. flexor

True/False

6. There are 200 different muscles in the body.

7. Skeletal muscles must be stimulated by nerve impulses to contract.

8. In order to function, muscles should always be slightly contracted and ready to pull.

9. Skeletal muscles that are not used will hypertrophy, and those that are used

excessively will atrophy.

10. A muscle strain is a sustained contraction of the muscle.