Human Anatomy and Physiology II
Exam 2, Version 6 - March 14, 1997
Dr. Chabot
Multiple Choice (@2 points): Circle the letter of the one best answer. GOOD LUCK!
Answer only 30 out of 33! The first 30 answered will be graded.
1. Which of the following cranial nerves is the vagus nerve?
A. VII
B. VIII
C. IX
D. X
2. Generally speaking, the sympathetic nervous system is involved with
A. the maintenance of homeostasis
B. "fight, fright, or flight" reactions
C. the same activities as is the parasympathetic nervous system
D. none of the above
3. By approximately what prenatal day will you find the neural plate?
A. 8
B. 18
C. 28
D. 38
4. When considering motor movements, the lateral cerebellum is involved in:
A. the initiation of movements
B. the constant updating of simple motor programs
C. directly stimulating spinal motor neurons
D. the storage of simple motor programs
5. When the entire sympathetic nervous system is stimulated
A. sweat secretion increases and pupil diameter decreases
B. sweat secretion decreases and pupil diameter decreases
C. sweat secretion increases and pupil diameter increases
D. sweat secretion decreases and pupil diameter increases
6. Which of the following is not found yet in the developing prenatal brain by day 35?
A. mesencephalon
B. telencephalon
C. diencephalon
D. hypothalamus
7. The myelencephalon becomes the
A. cortex
B. cerebellum
C. midbrain
D. medulla oblongata
8. The _________ is part of the limbic system
A. amygdala
B. basal ganglia
C. cerebellum
D. association cortex
E. all of the above
9. Which of the following would not be controlled or regulated by the hypothalamus?
A. body temperature
B. water or ion balance
C. hunger
D. none of the above
10. When thinking about the parasympathetic and the sympathetic nervous system:
A. Only one is involuntary
B. Only one usually innervates a given organ
C. Only one acts independently of association cortex and continuously
D. none of the above
11. Which of the following is thought to contribute most to memory formation?
A. long term storage of action potentials
B. new synapse formation
C. formation of new nuclei in the brain
D. none of the above
12. The part of the ear that is most responsible for impedance matching is the
A. outer ear
B. middle ear
C. inner ear
D. cochlea
13. When a person is color blind he or she usually
A. lacks ganglion cells in the retina
B. lacks one or more types of cones in the retina
C. lacks one or more types of rods in the retina
D. lacks horizontal cells in the retina
14. Phototransduction stops in photoreceptors when
A. cis retinal is changed to trans retinal
B. the photoreceptors become hyperpolarized
C. the photoreceptors become depolarized
D. A and B only
E. A and C only
15. The hypothalamus includes which of the following?
A. the SCN
B. food areas
C. thirst areas
D. all of these
16. The temporal lobes of the cerebral cortex is associated with:
A. "higher thought"
B. vision
C. hearing
D. none of the above
17. If you were falling asleep during a class (certainly NOT A&P!), you might want to stimulate__ to wake up.
A. the hypothalamus
B. the basal ganglia
C. the association cortex
D. the reticular formation
18. Sensory information about body position and movements first travels to the
A. motor cortex
B. sensory cortex
C. thalamus
D. all of the above
19. Which of the following cranial nerves does not carry motor information that helps to move the eyes?
A. Cranial nerve III
B. Cranial nerve IV
C. Cranial nerve V
D. Cranial nerve VI
20. How early are all of the five major parts of the brain formed prenatally?
A. by the end of first month
B. by the end of second month
C. by the end of third month
D. by the end of fourth month
21. In "The Man Who Mistook his Wife for a Hat" where was the neural damage located primarily?
A. medial geniculate
B. thalamus
C. basal ganglia
D. visual association cortex
22. When undergoing voluntary motor movements
A. all muscle fibers in a muscle are recruited at the same time
B. SO fibers are usually recruited first
C. FG fibers are usually recruited first
D. FOG fibers are usually recruited first
23. The optic nerve carries neural information regarding:
A. vision
B. eyes, scalp, teeth
C. pharynx
D. control of heart rate
24. The intensity of a sound is encoded by the ear by
A. the frequency of action potentials
B. the specific hair cells that are stimulated
C. the difference in the timing between the ears
D. all of the above
25. The sensory cells that help us to perceive color are called
A. hair cells
B. cones
C. chemoreceptors
D. rods
26. The part of the brain that integrates information from both ears and helps us to localize sound direction
A. is the occipital cortex
B. is the frontal cortex
C. is the parietal cortex
D. is the inferior olive
27. Cerebrospinal fluid functions to:
A. provide most of the O2 to the brain that it needs
B. provide most of the glucose to the brain that it needs
C. "buoy" the brain to protect against injury
D. all of the above
28. The organ that is responsible for our sense of balance is the
A. outer ear
B. vestibular body
C. middle ear
D. none of the above
29. The _______ is the part of the eye that allows you to focus by changing the shape of the lens.
A. ciliary body
B. lens
C. iris
D. retina
30. Increased activation of the parasympathetic nervous system on the heart and the lungs would:
A. increase heart rate and dilate the bronchioles respectively
B. increase heart rate and constrict the bronchioles respectively
C. decrease heart rate and dilate the bronchioles respectively
D. decrease heart rate and constrict the bronchioles respectively
31. The sense of touch is translated by a part of the brain known as:
A. frontal lobes
B. motor cortex
C. somatosensory cortex
D. occipital cortex
32. The putamen of the basal ganglia is involved in:
A. planning motor movements
B. executing motor movements
C. processing sensory information
D. updating simple motor programs which are stored in the cortex
33. The fovea is a part of the retina where:
A. there are more cones than rods
B. lateral processing does not take place
C. there are more rods than cones
D. there are no amacrine cells
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FILL-INS (@2 points):
Complete the following sentences with the most appropriate (one) word.
Choose 10 out of 12 only.
1. The __________ receives sensory input and helps to adjust body movements based on that input.
2. The ________ is a tough fibrous covering of the eye that helps to support the eye.
3. The ___________ nerve carries sensory information from the nose to the CNS.
4. The ___________ nerve carries sensory information from the ear to the CNS.
5. A visual photopigment found in the rods in the eye is called ______________.
FILL-INS (cont.):
6. The planning stage of initiating a motor movement takes place in the _______________ cortex.
7. Neural information from a particular sensory organ is always translated by the brain as being a specific type of environmental information (i.e. - from the eyes - light; from the ears - sound., etc). This idea is known as the ___________ ______________ theory.
8. The __________________ division of the autonomic nervous system functions mainly to react quickly to potentially dangerous situations.
9. A spinal motor neuron and its muscle fibers together are called a ________ _____________.
10. The "funny looking" person that can be mapped out onto the motor cortex and which describes what the motor cortex neurons under the map do is called a _____________.
11. The name of the railway worker who had a steel rod blown through his brain and suffered "only" personality problems after is ______________.
12. In the story "Eyes Right", the patient described by Oliver Sacks has a tumor in her ____________.
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Essay/Short Answer (@ 10 pts). Answer only 2 of the following 3. The first 2 answered will be graded.
1) As you know, the autonomic nervous system is controlled by several parts of the brain. List at least two (2) of these "parts" and describe at least three (3) functions associated with each "part".
2) Draw and label a cross section through the eye.
3) In outline form diagram the process of phototransduction. Be sure to include at least four steps or so.