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AP Chapter 10 & 11
| Question | Answer |
|---|---|
| Crural muscles are those that move the | Ankle, Foot and Toes |
| During REM sleep, muscle tone decreases significantly. | True |
| The neurons that stimulate muscle contraction are called ____ neurons. | Motor |
| A motor unit consist of. | A single motor neuron and the multiple muscle fibers it contracts |
| Growth of the uterus during pregnancy is accomplished by ____ of its smooth muscle. | Both hypertrophy and hyperplasia |
| The ending "glosses" on the name of a muscle refers to. | The tongue |
| Muscle tone is a result of ___ nervous system activity, and its act to ___ joint position | Involuntary, stabilize |
| Which are possible functions of skeletal muscle? | (A,B,C,D,E) Maintenance of posture Both highly coordinated and localized simple movements Tempeture regulation Support of certain body organs. Regulation of the movement of material through certain body tract. |
| The structure responsible for attaching muscle to bone is a | Tendon |
| Which muscles help us in the initial breakdown of food? | Muscle of mastication |
| The condition known as "tennis elbow" is caused by trauma or overuse of the common tendon of muscle that cause wrist extension. in other words, it is caused by damage to the. | Common extensor tendon of the posterior forearm muscle. |
| Which muscle forms the traditional "six pack" of a well-toned abdominal wall? | Rectus abdominis |
| This thick sheet of fascia extends between the phalanges of the toes and the calcaneus, and also encloses the planter muscle of the foot. | Plantar aponeurosis |
| The branch of the nervous system that helps govern smooth muscle contraction is the ____ nervous system. | Autonomic |
| Hamsting muscles extend the thigh | True |
| Smooth muscle tissue is found in the organs of the digestive tract, the wall of blood vessels, and the iris | True |
| Which is the "kiss muscle" used for puckering the lip? | Orbicularis oris |
| Cardiac muscle cells tend to be thicker and shorter than skeletal muscle cells | True |
| A flat thin structure made of dense connective tissue that serves to attach a muscle to a bine (or to another muscle) is a(n) | Aponeurosis |
| The pectorals major extends the arm, whereas the lastissimus dorsi flexes it. | False |
| What muscle is know as the "swimmers muscle" | Latissimus dorsi |
| The internal oblique and external oblique muscle both insert on the linea alba | True |
| Which is one of the largest muscle in the body and the one most responsible for extending and laterally rotating the thigh? | Gluteus Maximus |
| When a person blinks, she is using her | Orbicularis oculi |
| Which may occur as a result of muscle atrophy | Reduction in the muscle size Fibers become weaker Muscle loses tone. Fibers waste away and die ( ALL of the choices are correct) |
| The deepest of the abdominal muscles are the ___ muscles | Transversus Abdominis |
| Because skeletal muscle cells are so close together, muscle contains very few blood vessels | False |
| Lifting weights will cause muscles to enlarge. This is primary due to | An increase in the size of muscle cells. |
| The word 'Biceps" in the name of a muscle refers to the fact that | The muscle has to tendons of origin |
| Which is the longest muscle of the body? | Sartorius |
| A condition in which a portion of the viscera protrudes through a weakened point of the muscular wall of the abdominopelvic cavity is known as a hernia. | True |
| In general, a skeletal muscle is composed of | (A,B,C,D,E) Connective tissue sheaths Nerves Arteries Veins Muscle fibers |
| If you were to remove the gastrocnemius muscle, you would expose the | Soleus |
| The muscle that forms a partition between the thoracic and abdominal cavities is the | Diaphragm |
| In the male, which muscle ejects urine or semen, compresses the base of the penis, and helps the formation of an erection? | Bulbospongiosus |