The ____ rectus muscle raises the eye.
a. inferior
b. superior
c. medial
d. lateral
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Question 2) The ____ muscle raises your eyebrows and wrinkles the skin of your forehead.
a. occipitalis
b. frontalis
c. zygomaticus
d. buccinators
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Question 3) Tendons that are wide and flat form what is known as a(n) ____.
a. filament
b. ligament
c. striation
d. aponeurosis
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Question 4) Adductor, flexor, and extensor muscles are named according to their ____.
a. number of origin
b. shape
c. action
d. location
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Question 5) Which type of striated muscle is controlled by the autonomic nervous system?
a. cardiac
b. smooth
c. skeletal
d. voluntary
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Question 6) In the small intestine, smooth muscle is arranged in two layers: an outer longitudinal layer and an inner ____ layer.
a. transverse
b. circular
c. sagittal
d. rectus
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Question 7) The type of muscle found in the uterus, blood vessels, and urinary bladder is known as ____ muscle.
a. striated
b. skeletal
c. cardiac
d. smooth
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Question 8) What is the molecule that is found only in muscle tissue and provides a rapid source of high-energy ATP for muscle contraction?
a. lactic acid
b. creatine
c. phosphocreatine
d. fatty acids
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Question 9) If oxygen is not available to a muscle cell, pyruvic acid is changed to ____ and builds up in the muscle cell.
a. fatty acid
b. phosphocreatine
c. lactic acid
d. glucose
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Question 10) As the nerve impulse of an axon reaches the neuromuscular junction, it triggers the release of a neurotransmitter called ____.
a. acetylcholine
b. dopamine
c. epinephrine
d. norepinephrine
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