APR Chapters 10 - 11 - 12
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| The outermost layer of connective tissue of a muscle | EPIMYSIUM
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| The rectus abdominis is a _____________muscle | PARALLEL
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| The rectus femoris is a ______________muscle | BIPENNATE
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| What is the distal attachment of all three heads of the triceps brachii | OLECRANON
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| What is the longest muscle in the human body | SARTORIS
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| Which term refers to a muscle that prevents a bone from moving during an action | FIXATOR
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| The muscle primarily responsible for a movement is t he | PRIME MOVER (agonist)
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| If a skeletal muscle contracts with FULL FORCE (maximum stumulus) it will _____________force if a greater stimulus is applied | NOT CONTRACT WITH MORE
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| Which of the following is not a function of the muscular system | SECRETION
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| The skeletal muscles are innervated by | SPINAL NERVES AND CRANIAL NERVES
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| What muscles are in the medial compartment of the thigh | GRACILIS, ADDUCTOR LONGUS, ADDUCTIOR BREVIS, PECTINEUS, ADDUCTOR MAGNUS, & OBTURATOR EXTERNUS
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| Muscles that dorsiflex the foot are found in which compartment of the leg | ANTERIOR
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| Muscle fibers are arranged in bundles called | FASCICLES
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| An isometric contraction does not change muscle length TRUE OR FALSE | TRUE
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| Cross bridges form between binding sites on actin myofilaments | MYOSIN HEADS
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| In order for muscle to continue contracting during anaerobic fermentation, what is ESSENTIAL???? | MYOKINASE
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| Resistance exercise will most likely cause muscle to | HYPERTROPHY
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| Membranous channel extending inward from muscle fiber membrane | TRANSVERSE TUBULE
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| Cytoplasm of a muscle fiber | SARCOPLASM
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| Connective tissue located between adjacent muscles | FASCIA
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| Layer of connective tissue that separates a muscle into small bundles called fascicles | PERIMYSIUM
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| Plasma membrane of a muscle fiber | SARCOLEMMA
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| Layer of connective tissue that surrounds a skeletal muscle | EPIMYSIUM
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| Which muscle can contract without the need for nervous stimulation | SMOOTH & CARDIAC MUSCLE
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| Skeletal muscle are attached to bones in a way that aligns proteins in an overly stretched (lengthened) position. This lengthening facilitates the shortening of contractions. T OR F | FALSE
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| The absence or inhibition of acetylcholinesterase at a synapse would lead to | TETANUS
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| Best describes the resting membrane potential (RMP) | The intracellular enviroment is negatively charged
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| Skeletal muscle is called_________, because it is usually subject to conscious control | VOLUNTARY
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| All muscle types will respond to an electrical stimulus because all muscle cells are | EXCITABLE
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| Cardiac muscle has very little capacity for regeneration because it lacks | SATELLITE CELLS
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| Drugs called calcium channel blcokers may be used to lower blood pressure by causing arteries to vasodilate....HOW? | They prevent calcium from entering smooth muscle thus allowing the muscle to relax
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| How many somatic motor neurons stimulate one muscle fiber | ONE
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| Why does one continue to breathe heavy after rigorous physical activity has stopped? | The body requires more oxygen to restore levels of ATP and creatine phosphate
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| To stimulate muscle contraction, acetycholine is released from the ******** into the synaptic cleft???? | SYNAPTIC VESICLES
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| Some smooth muscle is autorhythmic **** TRUE OR FALSE? | TRUE
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| Shortening a muscle while it maintains constant tension is called | ISOTONIC CONTRACTION
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| As you are lifting a box, someone places extra weight on top of it...for your muscles to continue contracting and lifting the box a muscle must.... | recruit more muscle fibers
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| A motor unit is best defined as a | Motor neuron plus all of the muscle fibers that it innervates
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| What is released when a myosin heads attach to actin filaments | PHOSPHATES
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| the protein that acts as a calcium receptor in skeletal muscle is | TROPONIN
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| Athletes who train at high altitude increase their red blood count, which increases their oxygen supply during exercised. Increased oxygen supply results in........ | Longer aerobic respiration
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| Where would you expect to find numerous gap junctions in muscular tissue | INTERCALATED DISCS OF CARDIAC MUSCLE
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| In skeletal muscle, the term that describes the alternating light and dark bands is | STRIATIONS
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| When acetylcholinesterase outlasts the release of acetylcholine from the synaptic vesicles, the skeletal muscle | RELAXES
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| The scarcoplasmic reticulum is the smooth endoplasmic reticulum of a muscle fiber .....TRUE OR FALSE | TRUE
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| An action potential for a muscle cell is propagated along the | SARCOLEMMA
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| a bundle of muscle fibers is known as a | FASCICLE
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