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6-12
sci220-02
| Question | Answer |
|---|---|
| The posterior arm muscle that extends the forearm is the: | triceps brachii. |
| The Achilles tendon is common to both the gastrocnemius and the soleus. | True |
| The covering of individual muscle fibers is the: | endomysium. |
| The linea alba is a band of connective tissue that runs over the rectus abdominis from the xiphoid process to the pubis. | True |
| Which of the following statements about the muscles of the thorax is incorrect? | When the diaphragm contracts, it decreases the volume of the thoracic cavity and expels air from the lungs. |
| Muscles may be named according to: | function. direction of fibers. points of attachment. all of the above. , All of the above |
| The flexor muscles that move the fingers are mostly located on the: | anterior medial surface of the forearm. |
| When an athlete injures a muscle of the hamstring group, the injury is on the: | posterior thigh. |
| The muscle that flexes the semipronated or semisupinated forearm is the: | brachioradialis. |
| The most common type of lever in the body is a _____-class lever. | third |
| The latissimus dorsi muscle is an example of a _____ muscle. | spiral |
| The origin of a muscle is on the femur, and the insertion is on the tibia. When it contracts, it bends the knee. Which of the following is true? | The knee is acting as a fulcrum |
| Which of the following body systems assists the muscles in maintaining posture? | Digestive Endocrine Excretory All of the above , all of the above |
| In the human nervous system: | there are almost equal numbers of glia cells and neurons. |
| Fascicles are held together by a connective tissue layer called the: | perineurium. |