In the following illustration, the arrow points to the:
A) left vagus nerve.
B) left sympathetic trunk.
C) left phrenic nerve.
D) left internal thoracic artery.
E) hemiazygos vein.
Ans: A
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List these events in the correct order for CSF flow in the CNS
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The building blocks that form the DNA double helix are called
A. nucleoli. B. bases. C. nucleotides. D. nucleic acids. E. nuclear pores.
Match the response with the type of chemical.
1. blocks secretion of pancreatic enzymes 2. blocks secretion of adrenal catecholamines 3. blocks urination 4. blocks urination A. sympathetic antagonist B. parasympathetic antagonist
Synaptic knobs are at the ends of
A) axons. B) cell bodies. C) dendrites. D) neuroglia.