Problem Set #3
Short Answer Questions: 1. What is the sympathetic nervous system?
2. What is the parasympathetic nervous system.
3. What is the somatic nervous system?
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4. What is the autonomic nervous system?
5. The two hemispheres are joined together in the center of the brain by a dense band of nerves called what?
6. What purpose does myelin serve?
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Multiple Choice Questions: 1. A lesion to Broca’s area in the left cerebral hemisphere of the brain would likely result in which of the following? (a) Echolalia (b) Apraxia (c) Alexia (d) Agnosia (e) Aphasia 2. In the neuron, the main function of the dendrites is to: (a) release neurotransmitters to signal subsequent neurons. (b) preserve the speed and integrity of the neural signal as it propagates down the axon. (c) perform the metabolic reactions necessary to nourish and maintain the nerve cell. (d) receive input from other neurons. (e) connect the cell body to the axon. 3. Veronica is having trouble balancing as she walks, and her muscles seem to have lost strength and tone. A neuroanatomist looking into her condition would most likely suspect a problem with Veronica’s: (a) medulla oblongata. (b) right cerebral hemisphere. (c) cerebellum. (d) occipital lobes. (e) thalamus. 4. Which of the following neurotransmitters is generally associated with the inhibition of continued neural signaling? (a) Dopamine. (b) Adrenaline. (c) GABA. (d) Seratonin. (e) Acetylcholine. 5. A phenotype is best defined as: (a) an observable trait or behavior that results from a particular genetic combination. (b) the underlying genetic composition of a species. (c) a biological unit within which genetic information is encoded. (d) a recessive genetic combination that remains physically unexpressed. (e) the genetic combination given by a parent to its offspring.
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