Which of the following is NOT a factor that influences the type of movement and range of motion possible at a synovial joint?
a) structure of the articulating bones.
b) strength and tension of the joint ligaments.
c) use of the joint.
d) arrangement and tension of the muscles.
e) hormones.
c
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The absence or inhibition of acetylcholinesterase at a synapse would lead to __________.
A. flaccid paralysis B. continued muscle contraction C. atrophy D. numbness E. muscle wasting
The region of the pharynx at the tip of the arrow in the figure shown is the ________
A) laryngopharynx B) oropharynx C) nasopharynx
All spinal nerves are mixed nerves.
Answer the following statement true (T) or false (F)
Match the following:
A) Lumbar plexus B) Brachial plexus C) Cervical plexus D) Sacral plexus 1) The obturator and femoral nerves branch from this plexus. 2) Striking the "funny bone" (ulnar nerve) may cause injury to a nerve of this plexus. 3) Trauma to a nerve of this plexus may cause wrist drop. 4) A fall or improper administration of an injection to the buttocks may injure a nerve of this plexus. 5) The phrenic nerve branches from this plexus.