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22 Cards in this Set

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