Indicate the results of sympathetic activation of the following structures: sweat glands, eye pupils, adrenal medullae, heart, bronchioles of the lungs, liver, blood vessels of vigorously working skeletal muscles, blood vessels of digestive viscera, salivary glands.

Describe the meaning and importance of sympathetic tone and parasympathetic tone.

Which of the following actions would you expect when sympathetic neurons release norepinephrine onto β₁ receptors?

a. Decreased sweat production

b. Constriction of blood vessels serving the digestive, urinary, and integumentary systems

c. Adjustment of the shape of the lens

d. Increase in the rate and force of contraction of the heart.

The sympathetic nervous system is also known as the ________ division because the cell bodies of its preganglionic neurons are located in the ________ .

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

b. Sympathetic stimulation increases sweat secretion.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

d. Sympathetic tone controls the resting rate of the heart.

Using 20 or fewer words, define each of the following terms in your own words.

a. Sympathetic nervous system

You are running a race to the top of a mountain. Explain all the changes your sympathetic nervous system will initiate to maintain homeostasis as you run the race.