Study Questions Number 8 Chapter 4. Neurons, hormones, and the brain (100-118)

Student Name _____________________ Date due: 9-24-04 Introduction to Psychology 101 Hal S. Bertilson, Ph.D.

1.	Be able to differentiate the function of sensory and motor nerves. (103)
2.	Know the definitions of the autonomic nervous system, sympathetic nervous system, and parasympathetic nervous system. (104)
3.	Know the definitions of neurons and glial cells. How many neurons are their in the human brain? (105-106)
4.	Be able to describe the structure of the neuron including the definitions of dendrites, cell bodies, axons, axon terminals, myelin sheath, and nerves. What is the function of each? For example, is the neural impulse received by the dendrite, cell body, or axon? (106-108)
5.	Know the definitions and functions of precursor cells, stem cells, and neurogenesis. (108-109)
6.	Know the definitions of synaptic cleft, synapse, synaptic vesicles, plasticity, action potential, neurotransmitters, receptor sites, excitatory effects, inhibitory effects, and the all-or-none event. Be able to explain how neurons communicate with each other. Be able to explain how the action potential is generated including both the electrical and biochemical aspects. How does myelination change the action potential? (109-111)
7.	Low levels of serotonin and norepinephrine have been associate with what? (112)
8.	Abnormal GABA levels have been implicated in what? (112)
9.	The memory problems of Alzheimer's disease is caused by what? (112)
10.	Be able to describe Parkinson's disease. What causes it? (112)
11.	Know the definitions of endorphins, endogenous, hormones, endocrine glands, melatonin, epinephrine, androgens, estrogens, and progesterone. Know what functions are served by them.(112-114)
12.	Know the definitions of the lesion method, EEG, PET, and MRI. (116-118)