Ruby has just eaten a large meal and is now laying down on the couch to relax. Her _________________ nervous system becomes active, allowing her to digest her meal. She decides to watch a horror movie, which causes her ___________________ nervous system to take over as her heartbeat _________________ and sweat glands become active.

All of the following characterize the ANS excepta. 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.

What three functional groups of neurons are found in the nervous system? What is the function of each type of neuron?

Tiffany, a 21-year-old college student, is having trouble sleeping, cries frequently, and has recurrent thoughts of suicide. An antidepressant is prescribed. Like many such drugs, this antidepressant has anticholinergic side effects. What side effects might Tiffany experience in the first week of treatment?

Mr. Johnson suffers from urinary retention and a hypoactive urinary bladder. Bethanechol, a drug that mimics acetylcholine's autonomic effects, is prescribed to manage his problem. First explain the rationale for prescribing bethanechol, and then predict which of the following adverse effects Mr. Johnson might experience while taking this drug (select all that apply): dizziness, low blood pressure, deficient tear formation, wheezing, increased mucus production in bronchi, deficient salivation, diarrhea, cramping, excessive sweating, undesirable erection of penis.

A 32-year-old woman complains of intermittent aching pains in the medial two fingers of both hands. During such episodes, the fingers become blanched and then blue. Her history is taken, and it is noted that she is a heavy smoker. The physician advises her that she must stop smoking and states that she will not prescribe any medication until the patient has discontinued smoking for a month. What is this patient's condition, and why was she told to stop smoking?