GMS-MyologyReviewQuestions
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| Define Intercalated Disks. | Modified plasma membrane in cardiac tissue allowing rapid transfer of electrical impulses btw cells
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| List in order smallest to largest part of muscle layers Fascile Muscle Fiber. | Fiber,Fascile,Muscle
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| List membranes in order fr deepest to superficial Perimysium Epimysium Endomysium. | Endomysium, Perimysium, Epimysium
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| What two filaments combine to form the cross-bridge? | Actin&Myosin
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| Where does calcium go when a muscle relaxes? | Sarcoplasmic Recticulum
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| What is the byproduct of anaerobic exercise? | Lactid Acid
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| Name the function of Myoglobin. | stores oxygen
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| Name the function of Glycogen. | stores glucose
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| Name the function of Creatine Phosphate. | stores energy
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| True or False,Exercise results in dilation of blood vessels. | True
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| Muscle Tone | Partially contracted state even when muscle not in use
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| What kind of muscles are the intestines? | Smooth muscle
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| Name the neurotransmitter involved in muscular contraction. | Acetylcholine
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| Hypertrophy | Use of and increase in size of a part
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| What is a muscle that opposes a given action called? | antagonist
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| Example of 3rd class lever action. | Flexion of forearm
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| Flexion | Bending motion that decreases angle btw bone at the joint
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| What does saco refer to? | flesh
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| What term refers to a ring shaped muscle? | orb
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| What is an aponeurosis? | Broad sheet attach to bone or other muscles
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| What is sarcomere? | Contracting sub unit of skeletal muscle
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| What does myo refer to? | muscle
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| What is the energy compound that is needed for a power stroke? | ATP
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| What kind of contraction shortens a muscle, but doesn't increase muscle tension? | IsoTonic
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| What is a Motor Unit? | Single neuron and all the muscle fibers it contracts.
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| A neuromuscular junction is an example of a _________. | Synapse
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| What do you call muscles that steady body parts or assist the prime mover? | Synergist
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| Muscle contraction requires__________ in the form of myoglobin | energy
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| What process of oxygen consumption occurs in the PRESENCE of oxygen? | Aerobic
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| What process of oxygen consumption occurs in the ABSENCE of oxygen? | Anaerobic
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| What do you call a less moveable attachment site? | Origin
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| What do you call a more moveable attachment site? | Insertion
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| The muscle performing the action/movement is the | Prime Mover
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| What do you call muscles that steady body parts or assist the prime mover? | Synergist
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| What is the Law of Reciprocal Inhibition? | For any given movement,the antagonist must RELAX when the prime mover CONTRACTS
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| What is a Lever? | A rigid bar that moves about a fixed pivot point...the Fulcrum
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| What class Lever is the MOST in the body? | Third Class Lever
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| An example of a 1st class lever-Effort>FULCRUM>Resistance(Force) would be | Scissors
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| An example of a 2nd class lever- Effort>RESISTANCE(Force)>Fulcrum would be | Wheelbarrow
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| An example of a 3rd class lever- Fulcrum>EFFORT>Resistance(Force) would be | Tweezers (forearm flexion)
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| In the lever systems in the body the Bone is the | Lever
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| In the lever systems in the body the Joint is the | Fulcrum
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| In the lever systems in the body the Muscle is the | Force/Effort
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| What are two properties of muscles? | Excitability & Contractility
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| Define Excitability property of a muscle. | Response to stimuli and conduct impulses
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| Define Contractility property of a muscle. | Muscle able to shorten and change shape
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| What muscle contraction produces No Movement& remains same lenghth but Tone Increases? | IsoMetric Contraction
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