Human Anatomy and Physiology II
Exam 1, Version 5 - March 15, 1996
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 oculomotor nerve?
A. I
B. II
C. III
D. IV
2. The parasympathetic nervous system is involved with
A. the maintenance of homeostasis
B. "fight, fright, or flight" reactions
C. the same activities as is the sympathetic nervous system
D. none of the above
3. Pain is "transduced" by:
A. naked nerve endings
B. pacinian corpuscles
C. meissner's corpuscle
D. end organ of Ruffin
4. When considering motor movements, the limbic system 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 parasympathetic 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. The _______ nerve of the brachial plexus innervates the skin of the hands and the muscles of the hands and forearms.
A. axillary
B. ulnar
C. median
D. radial
7. A potential treatment for myasthenia gravis involves giving a patient:
A. acetylcholinesterase inhibitors
B. ACh reuptake inhibitors
C. ACh vessicle inhibitors
D. none of the above
8. The _________ is part of the limbic system
A. amygdala
B. basal ganglia
C. cerebellum
D. association cortex
E. all of the above
9. Poliomyelitis is a disease that preferentially attacks:
A. cortical neurons
B. brainstem neurons
C. dorsal root neurons
D. motor neurons
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. The layers of the meninges that help to produce cerebrospinal fluid are:
A. dura mater and arachnoid
B. dura mater and pia mater
C. arachnoid and pia mater
D. arachnoid and spider webs
12. The brachial plexus is made up of spinal roots:
A. C1-C5
B. C5-T1
C. L1-L4
D. L4-S4
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 tumor 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 vagus nerve carries neural information regarding:
A. vision
B. eyes, scalp, teeth
C. pharynx
D. control of heart rate
24. The neurotransmitter at the neuromuscular junction is
A. glutamate
B. norepinephrine
C. epinephrine
D. acetylcholine
25. In Duchennes muscular dystrophy, muscle fibers degenerate because of:
A. a defective gene that "codes" for an important protein found in the triads in normal muscle
B. of damage to ventral horn primary motor neurons
C. demyelination of motor neuron axons
D. all of the above
26. The protein(s) in muscles that allow for contractions is/are
A. actin and myosin
B. Ca++
C. acetylcholinesterase
D. all of the above
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. In a muscle fiber (cell), depolarization causes:
A. the closing of Ca++ channels
B. direct contraction of the cell
C. K+ channels to open
D. the release of Ca++ into the sarcoplasm from internal stores
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. The 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 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.