The phrenic nerve arises from which plexus?
A. Cervical
B. Lumbar
C. Pelvic
D. Sacral
E. Brachial
Answer: A
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Which of the following is part of the inflammatory response?
a. Migration of neutrophils and macrophages to the involved area b. Localized vasodilation c. Formation of interstitial-fluid clots in the injured region d. Both migration of neutrophils and macrophages to the involved area, and localized vasodilation e. All of the above
A child ingested an organophosphate poison used to kill insects. Soon the child's muscles began spastic contractions. Predict what occurred at the synaptic cleft
A. decreased release of acetylcholine from presynaptic neurons B. increased accumulation of acetylcholine in the synapse C. the poison binds to acetylcholine receptors and stimulates them D. increased breakdown of acetylcholine in the synaptic cleft E. Both increased accumulation of acetylcholine in the synapse and increased breakdown of acetylcholine in the synaptic cleft.
What type of connective tissue contains thick bundles of collagen that run in random directions?
What will be an ideal response?
The production of leukocytes is called ________.
Fill in the blank(s) with the appropriate word(s).