Chapters 9 and 10
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| what is not a function of muscles? | excreting wastes
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| in skeletal muscle contraction calcium apparently acts to | promote the brakdown ofglycogen and atp synthesis
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| The attachment of the muscle to the moving bone is known as | insertion
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| What would be a usual result of resistance exercise? | increase the number of myofibrils within the muscle cells
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| The sites where the motor nerve impulse is transmitted from the nerve endings to the skeletal muscle cell membrane are the | neuromuscular junctions
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| Myosin | all of the above(protein found in thick myofilaments, tail and two gobular heads,and contains the actinbinding sites
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| atransient change in membrane potential where the interior of the cellbecomes slightly less negative is known as | depolarization
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| the striations of a skeletal muscle cell are produced for the most part by | the arrangement of myofilaments
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| what surrounds the individual muscle cell? | endomysium
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| the neurotransmitter released by motor nerve fibers for the muscle stimulation is | acetylcholine
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| the term tendon refers to | a rope-like attachment of a muscle to a skeletal element
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| one functional unit of a skeletal muscle is | a sarcomere
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| In a isometric contraction, the muscle | does not change in length but increases tension
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| the cytoplasm of a muscle cell is called the | sarcoplasm
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| myoglobin has a special function in muscle tissue. It | stores oxygen
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| Muscle tissue doesnt have the property of | secretability
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| An anaerobic metabolic pathway that results in the production of two net atp'sper glucose plus two pyruvic acid molecules | glycolysis
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| The sliding filament model of contraction involves | actin andmyosin sliding past each other and partially overlapping
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| Generation of an action potential doesnt include | the arrival of a graded potential at the neuromuscular juntion
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| a graphic recording of the contractile activity of a muscle cell is a | myogram
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| Muscle contractions can be graded in two ways. wave summation and tetanus would bean example of a graded muscle response by | increasing the frequency of stimulation
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| the staircase effect called treppebest explains | why itis important for athletes to warm up
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| Scissors demonstrate which type of lever? | a first class lever
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| with regard to muscle fiber arrangement in a pennate muscle | the fasicles are short and attach obliquelyto acentral tendon
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| a muscle that provides all the major forcefor producing a specific movement is called | an agonist
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| When the term tricep biceps and quadriceps formspart of a muscle's name you can assume that | the muscle has 2 3 or 4 orgins respectively
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| The muscles that are found the openings of the body are collectively called | circular muscles
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| What muscle inserts by the calcaneal tendon? | Gastrocnemius
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| A lever said to operate at a mechanical advantage is also called a | power lever
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| What muscle does not compress the abdomen? | coccygeus
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| What muscle is not a member of the hamstrings | gracilis
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| A nursing infant develoops a powerfulsuckingmuscle that adukts also use for whistlingcalled the | buccinator
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| In flexing the arm at the elbow, the | triceps brachii acts as the antagonist
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| The Orbicularis oris, | closes purses and protrudes the lip
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| adductor magnus adductor longus and adductor brevis are parts of a large musclemass of the | medial compartment of the thigh
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| The muscle that abducts the arm is the | deltoid
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| A prime mover of hip flexion is the | rectus femoris
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| Muscles that cause plantar flexion include | the gastrocnemius and the soleus
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| the muscle that assists in smilling is the | zygomaticus
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| when considering the levers of your body's muscular system the joints would be considered the | fulcrum
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| Extrinsic muscles of the tongue act to | change position of the tongue
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| An example of a muscle named for its attachments would be the | sternocleidomastoid
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| The levator ani and the coccygeus muscles | form the pelvic diaphram
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| the prime mover of jaw closure,which elevates the jaw is the | masseter muscle
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