Human Anatomy and Physiology II
Exam 1, Version 6 - March 9, 2001
Dr. Chabot
Multiple Choice (@3 points): Circle the letter of the one best answer. GOOD LUCK!
Answer only 37 out of 39! The first 37 answered will be graded.
1. The cerebellum has
A. motor output but no sensory input
B. motor output and sensory input
C. no motor output but it does have sensory input
D. neither motor output or sensory input
2. The limbic system is:
A. involved in the control of the autonomic nervous system
B. a group of fiber tracts and brain nuclei that is involved in basic emotions such as anger
C. a brain nucleus which contains centers for hunger, thirst, and body temperature maintenance
D. A and B
3. The _______ is the part of the eye that contains the photoreceptors.
A. pupil
B. lens
C. iris
D. retina
4. If the area of the cerebral hemisphere corresponding to the hippocampus is damaged, what is the result?
A. Memory is lost.
B. Motor control to the right leg is impaired.
C. vision is lost.
D. Motor control of the muscles associated with speech is lost.
5. The basal nuclei include which of the following?
A. the putamen
B. the globus pallidus
C. the caudate nucleus
D. all of these
6. What is the function of cerebral association areas?
A. to analyze and interpret sensory experiences
B. memory
C. reasoning and judgment
D. all of these
7. Parkinson's disease, which is characterized by slow movements and difficulty initiating voluntary muscular actions, results from a disorder in the
A. frontal lobe
B. parietal lobe
C. basal ganglia
D. ventricles
8. The fiber tract responsible for carrying motor impulses for motor movements which have already been learned (practiced) is called the:
A. pyramidal tract
B. extra-pyramidal tract
C. autonomic tract
D. practice tract
9. The part of the brain that is involved in initiating movements is the
A. motor cortex
B. putamen
C. medial cerebellum
D. lateral cerebellum
10. If, as a baseball player, you are unable to "screen out" (i.e. focus) unwanted thoughts or stimuli when you are batting, you are unable to screen out input from the
A. basal ganglia
B. motor cortex
C. limbic system
D. cerebellum
11. When considering motor movements, the medial 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
12. The _________ is part of the visual system
A. amygdala
B. basal ganglia
C. superior colliculus
D. association cortex
E. all of the above
13. 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. additional synthesis of neurotransmitter
14. The occipital lobes of the cerebral cortex is associated with:
A. "higher thought"
B. vision
C. hearing
D. none of the above
15. Sensory information about body position and movements first travels to the
A. motor cortex
B. sensory cortex
C. thalamus
D. all of the above
16. In the book "The Man Who Mistook his Wife for a Hat" there is a story of a man who was brain-damaged in the 1940’s and could not remember anything past that time. What part of his brain was damaged?
A. medial geniculate
B. thalamus
C. hippocampus
D. visual association cortex
17. 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
18. Masses of myelinated axons appear _____ in a fresh spinal cord or brain.
A. white
B. gray
C. brown
D. transparent
19. The sense of touch is translated by a part of the brain known as the:
A. frontal lobes
B. motor cortex
C. somatosensory cortex
D. occipital cortex
20. The caudate 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
21. Which of the following cranial nerves is the vagus nerve?
A. VII
B. VIII
C. IX
D. X
22. The _________ is part of the limbic system
A. amygdala
B. basal ganglia
C. cerebellum
D. association cortex
E. all of the above
23. The brain "knows" what type of sensory information it is receiving because:
A. of the quality of the neural energy
B. of the quantity of action potentials
C. the information travels in specific "labeled lines" (axons)
D. of the type of environmental energy it receives from the sensory cells
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 _______ 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
26. 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
27. Cranial nerve III is known as the ______________
A. Occulomotor
B. Optic
C. Olfactory
D. Spinal Accessory
28. The function of cranial nerve VIII is
A. vision
B. hearing
C. smelling
D. tasting
29. 2. The red nucleus functions to
A. warn us of communists in the area
B. serve as a sensory filter
C. help to regulate/control learned motor movements
D. help to regulate body temperature
30. The reticular formation is found in the
A. cerebellum
B. cerebrum
C. conundrum
D. brain stem
31. Which of the following are not functions of the medulla oblongata?
A. regulate heart rate
B. regulate breathing rate
C. sensory and motor information is carried in large tracts
D. none of the above
32. Cerebrospinal fluid functions to __________.
A. provide most oxygen to the CNS
B. protect the brain from blows to the skull
C. provide the major pathway to the blood for waste substances
D. provide moisture to the surface of the brain tissue
33. If two groups of rats are raised in two different environments - one poor (just 4 walls and food an water) and the other rich (plenty of toys, other animals, etc) the rich group will
A. have a larger cerebral cortex
B. have a larger cerebellar cortex
C. have more synapses/neuron in certain parts of the cortex
D. have fewer synapses/neuron in certain parts of the cortex
34. In "Eyes Right", Mrs. S suffered a stroke in the ________ of her cerebral cortex.
A. frontal lobes
B. parietal region of her right hemisphere
C. parietal region of her left hemisphere
D. deeper and back portions of her right cerebral hemisphere
35. In "The Dog Beneath the Skin" Stephen D. suffered from a temporary increase of emotionalism and heightened smell which Dr. Sachs claimed could have been due to:
A. increased stimulation of the amygdala
B. increased stimulation of the uncus of the rhinencephalon
C. decreased stimulation of the occipital cortex
D. all of the above
36. Which of the following has been recently cited as likely to increase the risk of obesity?
A. a candy bar a day
B. a soft drink a day
C. a glass of orange juice a day
D. a glass of water a day
37. Most physicians agree that antibacterial soaps:
A. should always be used to wash one's hands
B. should never be used to wash one's hands
C. should only be used by people with weakened immune systems
D. are better than regular soap for preventing colds
38. Another recent study has shown that environmental "estrogen mimics" ______ early puberty in girls.
A. cause
B. may cause
C. do not cause
D. definitely cause
39. Yet another recent study indicates that 1-2 drinks a day of:
A. red wine decreases the risk of heart attack in people
B. red wine decreases the risk of heart attack in people with a certain gene
C. any alcoholic drink decreases the risk of heart attack in people
D. any alcoholic drink decreases the risk of heart attack in people with a certain gene
Essay/Short Answer (@ 10 pts). Answer only 2 of the following 3. The first 2 answered will be graded.
1) In a diagrammatic form, outline the parts of the brain that are involved in the control of motor movements. Be sure to include arrows to indicate inputs and outputs to/from these structures. Also include the functions of at least four of the structures.
2) Draw and label the developing brain at 35 days. Briefly explain the functions of two of the regions that you have listed.
3) Draw and label a diagram of the eye. Be sure to include the functions of at least four of the structures that you have named.