Biological Bases of Behavior Review Questions for AP Psychology (page 2)

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By — McGraw-Hill Professional
Updated on Mar 4, 2011

Answers and Explanations

  1. D—Terminal buttons secrete neurotransmitters into the synapse.
  2. E—Broca's area is a region in the left frontal lobe anterior to the motor cortex.
  3. E—PET scans visualize changes in the brain as it functions. While fMRI also shows changes in the brain as it functions, MRI and CT scans show structure only.
  4. D—Our simplest behaviors are reflexes. Sneezing and blinking are reflexes.
  5. E—Adrenalin is a hormone that speeds up breathing and heart rate, sends a message to change stored food back to glucose, etc. The sympathetic nervous system stimulates the same changes in the body.
  6. D—The center for sensation in the brain is the somatosensory region of the cerebral cortex located in the front of the parietal lobes. Nerves carrying sensations from the right side of the body cross over to the left side of the brain, so the most probable site of damage is the left parietal lobe.
  7. B—Interneurons are found in the brain and spinal cord only. The others can be found in the peripheral nervous system.
  8. A—The pituitary gland, which is sometimes called "the master gland," produces many tropic hormones that stimulate other glands, including the adrenals, parathyroids, thyroid, and ovaries.
  9. C—Lesions are interruptions in tissue. While the other choices may accompany wounds, tumors, and strokes, they also may not.
  10. D—Presence of the Y chromosome determines the sex of a human baby. Of the choices, only a Klinefelter's child (XXY) must have a Y chromosome.
  11. B—The peripheral nervous system comprises the autonomic nervous and somatic nervous system. The autonomic nervous system is subdivided into the parasympathetic and sympathetic nervous systems.
  12. D—Motor neurons or efferent neurons cause muscles to contract or glands to secrete.
  13. E—The cerebellum functions in balance and coordination.
  14. C—Parkinson's disease is associated with depletion of cells that produce dopamine.
  15. D—Pattern matching and picture and facial recognition are all right hemispheric functions.
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