BIOL 2457 - FINAL EXAM 2026
ACTUAL QUESTIONS WITH
VERIFIED ANSWERS.
1. We can localize sensations that originate in different areas of
the body because ________. - correct answer-sensory
neurons from specific body regions project to specific cortical
regions.
2. The pyramidal system provides ________. - correct answer-
voluntary control over skeletal muscles
3. Each of the following effects is associated with the action of
postganglionic sympathetic fibers, except ________. -
correct answer-decreased heart rate.
4. These receptors occur at cholinergic neuromuscular or
neuroglandular junctions in the parasympathetic division. -
correct answer-muscarinic receptors
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5. Alzheimer disease is characterized by all of the following,
except that it ________. - correct answer-has a cure.
6. Enhanced effects of serotonin may induce hallucinations;
while blocking it can lead to anxiety and depression. - correct
answer-How can an imbalance in serotonin affect people?
7. Autonomic tone keeps the peripheral blood vessels partially
contracted. How does the body adapt if increased blood flow
is needed? - correct answer-Sympathetic stimulation of
postganglionic fibers is decreased while stimulation of
cholinergic fibers is increased.
8. Long-term memories that are with you for a lifetime are
called ________. - correct answer-tertiary memories
9. Clusters of ganglionic sympathetic neurons lying along either
side of the spinal cord are called sympathetic ________
ganglia. - correct answer-chain
10. The conscious state is maintained by the ________. -
correct answer-reticular activating system
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11. both A and B
12. the brain
13. the lateral gray horns of the spinal cord - correct answer-
Preganglionic neurons of the autonomic nervous system are
located in ________.
14. Dual innervation refers to an organ receiving ________. -
correct answer-both sympathetic and parasympathetic
innervation
15. The senses of equilibrium and hearing are provided by
receptors of the ________. - correct answer-inner ear
16. Gustatory receptors are located ________. - correct
answer-on the surface of the tongue
17. What structure changes the shape of the lens for far and
near vision? - correct answer-ciliary body
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18. The human lens focuses light on the photoreceptor cells
by ________. - correct answer-changing shape.
19. All of the following are true of olfactory pathways,
except________. - correct answer-they project first to the
mamillary bodies and then to the thalamus.
20. The auditory ossicles connect the ________. - correct
answer-tympanic membrane to the oval window
21. The palpebrae are connected at the ________. - correct
answer-lateral and medial canthus
22. Gravity and linear acceleration are sensed in the
________. - correct answer-saccule and utricle
23. The first step in the process of photoreception is
________ - correct answer-absorption of a photon by a
visual pigment