| (1) | Which of these types of muscles in NOT included in the appendicular skeleton? |
| A. | facial muscles | |
| B. | muscles that act on the pelvic girdle | |
| C. | muscles that move limb joints | |
| D. | muscles that act on the pectoral girdle | |
| E. | all of the above |
| (2) | Which of these are NOT a pair of antagonistic muscles? |
| A. | biceps brachii and brachialis | |
| B. | biceps brachii and triceps brachii | |
| C. | supinator and pronator teres | |
| D. | internal intercostals and external intercostals | |
| E. | All of the above are antagonistic |
| (3) | Which of the following is NOT a principle function of muscle? |
| A. | reproduction | |
| B. | heat production | |
| C. | movement | |
| D. | posture and body support | |
| E. | all of the above |
| (4) | The fine sheet of connective tissue that covers a single muscle fiber is called |
| A. | endomysium | |
| B. | fascicle | |
| C. | fascia | |
| D. | perimysium | |
| E. | epimysium |
| (5) | The fine sheet of connective tissue that covers a bundle of muscle fibers is called |
| A. | fascia | |
| B. | fascicle | |
| C. | endomysium | |
| D. | perimysium | |
| E. | sarcomere |
| (6) | The autonomic nervous system controls |
| A. | only cardiac muscle tissue | |
| B. | only skeletal muscle tissue | |
| C. | both skeletal and smooth muscle tissues | |
| D. | both cardiac and smooth muscle tissues | |
| E. | all three types of muscle tissue |
| (7) | Which molecule is shaped like a golfclub with two protruding heads at one end? |
| A. | tropomyosin | |
| B. | transverse tubule | |
| C. | troponin | |
| D. | myosin |
| (8) | Calcium binds to what molecule involved in muscle fiber contraction? |
| A. | troponin | |
| B. | sarcoplasmic reticulum | |
| C. | G-actin | |
| D. | myosin | |
| E. | tropomyosin |
| (9) | The tonus, the state of muscle contraction maintained by the stimulation of individual muscle fibers, is important for |
| A. | strengthening the muscles | |
| B. | movement of blood and lymph | |
| C. | heat production | |
| D. | none of these are correct | |
| E. | all of these are correct |
| (10) | The fascia is ___________________ of varying thickness that covers muscle. |
| A. | fibrous connective tissue | |
| B. | modified epithelial tissue | |
| C. | a mixture of adipose and collagen fibers | |
| D. | an extension of the dermis | |
| E. | an aponeurosis |
| (11) | Iso_______ muscle contraction results in the visible shortening of the muscle while iso_______ muscle contraction results in no visible shortening of the muscle. |
| A. | metric/tonic | |
| B. | volumic/tonic | |
| C. | tonic/contractile | |
| D. | tonic/metric |
| (12) | Choose the incorrect type of muscle tissue. |
| A. | smooth | |
| B. | skeletal | |
| C. | cardiac | |
| D. | somatic |
| (13) | A muscle fatigues when it has |
| A. | broken all the myosin/F-actin attachments | |
| B. | run out of ATP | |
| C. | stopped functioning due to too much waste build-up | |
| D. | stopped receiving action potentials from nerves |
| (14) | Identify the structures seen at the tip of the arrows labeled 2.
|
| A. | A-band | |
| B. | I-Band | |
| C. | intercalated disc | |
| D. | Z-line |
| (15) | Identify the region shown with the black line.
|
| A. | H-Band | |
| B. | sarcomere | |
| C. | A-band | |
| D. | I-band |