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Human Anatomy and Physiology
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Brain Questions
1. Sketch the diagram on p. 252, Figure A, and label it.
2. What are the three meningeal layers that protect the brain?
3. What is the difference between the ascending and descending tracts of the spinal
cord?
4. About how many neurons comprise the brain?
5. About how much of the neural tissue of the body is located in the brain?
6. What is the mass of the average human brain?
7. What are the six major divisions of the brain?
8. How is the cerebrum organized?
9. What is the largest portion of the diencephalon?
10. What is contained in the epithalamus?
11. What are the three major components of the brain stem?
12. What is the function of the midbrain, or mesencephalon?
13. What is the function of the pons?
14. What is the function of the medulla oblongata?
15. What is the function of the cerebellum?
16. What is the function of CSF?
17. Give general functions associated with each of the following lobes of the
cerebrum:
Frontal, Parietal, Temporal, Occipital
18. In which lobe is each of the following cortices found? What kind of information
does each cortex process? Visual, Gustatory, Auditory, Olfactory
19. In which lobe is the primary sensory cortex?
20. Where is the somatic sensory association area and what does it do?
21. In which lobe is the primary motor cortex?
22. Where is the somatic motor association area (premotor cortex) and what does it
do?
23. Where is the visual association area and what does it do?
24. What is the function of the corpus callosum?
25. Give the functions of the following cerebral processing centers.
Wernicke’s area (general interpretive area), Broca’s area (speech center),
Prefrontal cortex
26. What is hemispheric lateralization?
27. What is an electroencephalogram and what does it show?
28. Identify the following kinds of memories.Fact memories, Skill memories, Shortterm memories, Long-term memories
29. What is memory consolidation?
30. Where are long-term memories stored?
31. Where is the limbic system and what does it do?
32. What do the hypothalamic centers of the limbic system do?
33. What is the function of the pineal gland?
34. What is the function of the thalamus?
35. Using the diagram on p. 273, draw and label the components of a reflex arc.
36. Contrast the two components of the autonomic nervous system. Give examples of
what your body does when the sympathetic and parasympathetic components are
each activated.