Muscle System
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each of the black spaces below before clicking
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| The tendons in the body are created by the _____________. | Epimysium
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| Where would one find smooth muscles? | hollow organs of the digestive tract
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| T or F? muscles can only push, not pull | False, they only pull
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| What term best describes the shortening of muscles when they move? A. isotonic B. isometric C. synergy D. irritability | A. isotonic
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| T or F? during contraction, the muscle origin moves toward the insertion | False, insertion moves toward the origin
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| Movement that increases the angle between two bones or parts of the body is termed __________. | Extension
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| The single sheet-like muscle that covers the anterolateral neck is called the : | Platysma
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| The triangle-shaped muscle that sits on top of the shoulder and is the favorite site of injection for small amounts of medication is: | deltoid
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| Which of the following muscles are NOT located in the lower limb? A. sartorius B. tibialis anterior C. rectus femorus D. iliopsoas | D. iliopsoas
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| Which term best describes the muscle that assists the main muscle group or reduces undesirable movements? | synergist
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| Which type of muscle displays a feather pattern? | Pinnate
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| What term best describes a body movement that increases the angle between two bones or parts of the body? | Extension
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| What does the endomysium cover? | a bundle of muscle fibers
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| what is the job of the antagonist? | reverse a particular movement
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| Describe what the fusiform fascicle arrangement would look like? | spindle shaped
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| What two muscles make up the epicranius muscle? | frontalis and occipitalis
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| What is the name of the flat, sheet-like connective tissue that can be found in the abdominal region as well as on the head? | Aponeurosis
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| What are the three types of muscle tissue? | Skeletal , cardiac, smooth
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| What type of muscle tissue has the longest fibers? | skeletal
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| what type of muscle tissue is spiral or figure 8 shaped and has intercalated discs? | Cardiac
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| What type of muscle forces fluids and other substances through internal body channels and is arranged in layers? | Smooth
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| Banding pattern structure, chains of contractile units called sarcomeres: | myofibrils
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| _______ and _________ cause contraction. | myosin and actin
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| the sarcoplasmic reticulum's major role is to store __________ and to release it on demand when the muscle fiber is stimulated to contract. | Calcium
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| The outer covering of the whole muscle is called __________ | epimysium
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| surrounding each bundle of muscle fibers is the __________ | perimysium
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| a wispy sheath of connective tissue that surrounds the individual muscle fiber is the ___________. | endomysium
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| The muscle's _____________(origin/insertion) is attached to the immovable or less movable bone | origin
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| The _______________ moves toward the ____________. (origin/insertion) | Insertion towards the origin
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| Triangular or fan-shaped muscle is called ____________. | convergent
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| ____________ is when muscle is arranged in concentric rings (sphincters) | circular
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| Parallel muscles are usually strap-like or spindle shaped; these muscles may also be called __________. | fusiform
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| ___________ muscles are short and attach obliquely to a central tendon that runs the length of the muscle. | pennate
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| Muscles can shorten as much as ____% of their resting length but it is the number of fibers that determine its power. | 70%
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