You are home alone at night when you hear what sounds like breaking glass. What physiological effects would this experience probably produce, and what would be their cause?

The condition known as shock is characterized in part by a decreased return of venous blood to the heart. How could an upsetting situation, such as the sight of a tragic accident or very bad news, produce some temporary symptoms of shock?

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.

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

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

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

All of the following characterize the ANS except

a. A two-neuron efferent chain

b. Presence of neuron cell bodies in the CNS

c. Presence of neuron cell bodies in the ganglia

d. Innervation of skeletal muscles