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What muscles help us read by moving our eyes, allow us to move in our environment, and breathe?
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What muscles push food through our intestines, contain blood in our arteries and veins, and push urine down our ureters?
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Haney AP c9
Haney AP c9-DH
| Question | Answer |
|---|---|
| What muscles help us read by moving our eyes, allow us to move in our environment, and breathe? | skeletal muscles |
| What muscles push food through our intestines, contain blood in our arteries and veins, and push urine down our ureters? | smooth muscle |
| What muscle pumps blood through our heart and blood vessels, and maintains blood pressure? | cardiac muscle |
| What are the three types of muscle tissue? | skeletal, smooth or visceral, and cardiac |
| What muscle cells are voluntary, striated, and multinucleated cells? | skeletal |
| What muscle cells are involuntary, nonstriated, and uninucleated fibers? | smooth |
| What muscle cells are involuntary, striated, and uninucleated? | cardiac |
| What is the electrically polarized cell membrane that surrounds a skeletal muscle cell or fiber called? | sarcolemma |
| What are the skeletal muscle bundles called that make up a muscle? | fasciculi |
| What is the delicate connective tissue that surrounds each muscle cell in a fascicle called? | endomysium |
| What is another layer of connective tissue called that that surrounds each bundle or fascicle? | perimysium |
| What is another layer of connective tissue that surrounds the whole muscle called? | epimysium |
| What is the layer of areolar tissue on top of the epimysium called? | fascia |
| What protein makes up the dark bands of a skeletal muscle cell (A bands)? | myosin |
| What protein makes up the light bands of a skeletal muscle cell (I bands)? | actin |
| What is the area between two adjacent Z lines called? | sarcomere |
| What are the three factors that cause muscle contraction? | neuroelectrical, chemical, and energy sources |
| The whole process of contraction in a muscle occurs in what fraction of a second? | 1/40 |
| What law states that a stimulus strong enough to cause contraction in an individual muscle cell will result in maximal contraction? | all-or-none law |
| What is the property of a muscle in which a state of partial contraction is maintained throughout a whole muscle called? | tone |
| What are the two types of muscle contraction called? | isotonic and isometric |
| What muscle is found in hollow structures like the intestines, arteries, veins, and bladder? | smooth |
| What muscle is found only in the heart and is controlled by the autonomic nervous system? | cardiac |
| What attaches a muscle to a bone? | tendons |
| What is a wide flat tendon called? | aponeurosis |
| What are the muscles called that bend a limb at a joint? | flexors |
| What are the muscles called that straighten a limb? | extensors |
| What is it called when a limb is moved away from the midline of the body? | abduction |
| What is it called when a limb is brought toward the midline of the body? | adduction |
| What is it called when a limb revolves around an axis? | rotation |
| What are the muscles that turn the palm upward called? | supinators |
| What are the muscles that turn the palm downward called? | pronators |
| What are the muscles that bring about an action called? | prime movers |
| What are the muscles that assist the prime movers called? | synergists |
| What is a condition in which a muscle shortens its length in the resting state called? | contracture |
| What are the spastic and painful contractions of muscles that occur because of an irritation within the muscle such as inflammation of connective tissue or lactic acid buildup called? | cramps |
| What is the term that means muscle pain called? | myalgia |
| What is the term that means inflammation of muscular tissue called? | myositis |
| What is the term for when there is a decrease in muscle bulk due to a lack of exercise called? | atrophy |
| What is the inflammation of a tendon called? | tendinitis |
| What is the inherited muscular disorder, most common in males, where the muscle tissue degenerates over time resulting in complete helplessness called? | muscular dystrophy |
| What is characterized by the easy tiring of muscles or muscle weakness? | myasthenia gravis |
Created by:
DHassen13
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