Damage to the pectoralis major would interfere with a person's ability to
A) extend the forearm.
B) abduct the humerus.
C) flexion of the humerus.
D) elevate the scapula.
E) rotate the elbow.
C
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Vitamin ________ must be complexed with a protein called ________ to be absorbed from the small intestine.
What will be an ideal response?
Twitch summation
a. is a means by which gradation of muscle contraction may be accomplished b. results from the additional release of Ca2+ within the cytosol of muscle fibers c. results from increasing the frequency at which motor units are firing within a muscle d. results from more cross bridges binding to actin within muscle fibers e. has all of the above characteristics
Which of the following correctly lists the meninges in order from deep to superficial?
A) pia mater, arachnoid mater, and dura mater B) arachnoid mater, dura mater, and pia mater C) dura mater, pia mater, and arachnoid mater D) dura mater, subarachnoid space, and pia mater
When a neuron is stimulated, Na+ gates open and allow Na+ to exit the cell.
Answer the following statement true (T) or false (F)