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.

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

Fill in the blanks:________ receptors are located on parasympathetic postganglionic neurons, and________ receptors are located on parasympathetic target cells.

Which cranial nerves would be affected by a drug that stimulates the parasympathetic nervous system? Predict potential adverse effects that one might experience.

Many chemical warfare agents, such as the poisonous gas sarin, block the enzyme acetylcholinesterase in the synaptic cleft. What effects will this poison have on muscle contraction? (Connects to Chapter 10) What effects will it have on the autonomic nervous system? What symptoms would you expect to see from this poison?

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

b. Parasympathetic nervous system