Which of the following best describes the basic function of the autonomic nervous system?


a. Controls the somatic nervous system
b. Controls automatic functions to maintain homeostasis
c. Detects somatic sensory information
d. All of the above

Regulation of heart rate, blood pressure, and digestive functions is carried out by the:

a. somatic motor division of the peripheral nervous system.

b. central nervous system.

c. visceral sensory division of the peripheral nervous system.

d. autonomic nervous system.

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

d. The crossed-extension reflex occurs simultaneously with the simple stretch reflex.

Differentiate between adrenergic and cholinergic receptors.

Explain what happens when sympathetic neurons stimulate the adrenal medulla. What purpose does this serve?

Central nervous system control over the ANS is mediated by:

a. the reticular formation.

b. the hypothalamus.

c. the thalamus.

d. both a and b.

Which of the following is the primary functional difference between the somatic nervous system (SNS) and autonomic nervous system (ANS)?