Chapter 3: Neurobiology & Pharmacotherapy

Question 1

What are the Functions and Activities
of the Brain

Answer 1

 Maintenance of homeostasis
 Regulation of autonomic nervous system (ANS) and
hormones
 Control of biological drives and behavior
 Cycle of sleep and wakefulness
 Circadian rhythms
 Conscious mental activity
 Memory
 Social skills

Question 1

symptoms of sympathetic nervous system activation

Answer 1

increased heart rate, shortness of breath, facial blushing, sweaty palms, less pee/poo

Question 2

symptoms of parasympathetic nervous system activation

Answer 2

increased gut motility/digestion, slow breathing, more saliva, more pee, more insulin, HR down

Question 3

The relationship between what three organs are particularly important in abnormal mental function

Answer 3

brain. pituitary gland, adrenal glands (HPA axis). Hypothalamus secretes corticotropin releasing hormone (CRH). CRH stimulates the cortex of each adrenal gland to secrete cortisol.

Question 4

What are the three functions of the neuron

Answer 4

Response to stimuli, conduct electrical impulses, release neurotransmitters