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22 Cards in this Set
- Front
- Back
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The tissue layer that penetrates the interior of a fascicle separating individual muscle fibers is the:
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endomysium
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The layer of connect tissue that surrounds a group of 10-100 muscle fibers to form a fascicle is:
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perimysium
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The sarcoplasm of a muscle cell contains the oxygen binding protein called:
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myoglobin
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What type of protein is a titin?
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structural
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The threadlike protein that moves to reveal the attachment site for cross bridges is:
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tropomyosin
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ACH binding to receptors on motor end plates causes the releases of
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Na+
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What is true about smooth muscle?
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smooth muscle has no epimysium later
smooth muscle is not arranged into sarcomeres smooth muscle has no transverse tubules |
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What is attached to the M-line is a sarcomere?
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myosin filaments
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The site of a muscle _______ on the moving bone, and the _______ is on the stationary bone.
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insertion; origin
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This class always produces a mechanical advantage
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second
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What muscles infer a four-sided appearance?
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trapezius, quadratus, rhomboideus
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What would extend and adduct the hand at the wrist joint?
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extensor carpi ulnaris
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Which would flex the leg at the knee joint?
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biceps femoris
semitendinosis semimembranosis |
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Which muscles have an origin or insertion to the humerus?
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infraspinatus
teres major latissimus dorsi teres minor |
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What muscle inserts on the greater trochanter of the femur bone?
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piriformis
gluteus maximus |
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What is one action of the semitendinosis?
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flex the leg at the knee
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Which of the following constitutes the smallest percentage of proteins in plasma?
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fibrinogen
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Which of the following form macrophages?
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lymphocytes
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Leukocytes called _____ constitute around 20-25% of the total number of WBCs
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lymphocytes
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What is an agranular leukocyte?
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monocytes
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What is true of RBCs?
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there are between 4.8-5.4 million RBCs per uL of blood
2 million new RBCs are produced every second RBCs have no nucleus |
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In regards to the ABO blood groups, ____ have no antibodies, and _________ have no
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Type AB, Type O
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