A man is walking down a path and hears a rattle. He holds still, afraid of being

Question

A man is walking down a path and hears a rattle. He holds still, afraid of being bitten by a rattlesnake. Fill in the blanks and explain why for each.

Once he hears the snake:

-the neurotransmitter _______ will be relesaed in his collateral ganglia.

-parasympathetic signals to his blood vessel smooth muscle will _______ (increase, decrease, etc.)

-the number of action potentials along the autonomic fibers of his sacral spinal nerves will _______ (increase, decrease, etc.)

-the quantity of ACh released onto his skeletal muscle fibers will_______ (increase, decrease, etc.)

Explanation / Answer

A man is walking down a path and hears a rattle. He is afraid of being bitten by a rattlesnake.

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