Instruction
1. The juncture of two nerve cells is called the ___________.
A. dendrite
B. perkaryon
C. synapse
D. functional zone
2. The receptor portion of the nerve is the ___________ , while the
transmitting portion of the nerve is known as the __________________
A. axon, dendrite
B. cell body, neuron
C. dendrite, axon
D. cell body, axon
3. A simple reflex is the connection of a ____________& _____________nerves.
A. sympathetic, parasympathetic
B. cranial, spinal
C. sensory, motor
D. all of these may be simple reflexes
4. Glial cells in the nervous system produce _________________
A. simple reflexes only
B. connective tissue that supports and surrounds nerves
C. the fight or flight response
D. irregular brain waves
5. The normal electrical activity associated with a nerve firing is known as
_____________
A. seizure disorders
B. coma
C. depolarization
D. discharge
6. Groups of dendrites, non-myelinated cells and cell bodies are associated with
the formation of
_____________
A. tumors B. white matter
C. gray matter D. strokes
7. The chemical agents released by nerves are known collectively as
________________
A. hormones
B. steroids
C. prostaglandins
D. neurotransmitters
8. Which of the following cranial nerves is NOT associated with the
Parasympathetic nervous system?
A. occulomotor or third
B. vagus or tenth
C. trigeminal or fifth
D. facial or seventh
9. The activation of the sympathetic nervous system causes the heart rate to
_______
A. varies with parasympathetic nervous system activity
B. accelerate or increase
C. stay the same
D. decelerate or slow down
10. The longest cranial nerve is the ___________, it is the key nerve of the
parasympathetic system to the internal organs, such as heart and lung.
A. glossopharyngeal or ninth
B. vagus or tenth
C. accessory or eleventh
D. hypoglossal or twelfth
11. The portion of the brain associated with short term memory deficits,
particularly associated with Alzheimers Disease, is the ___________
A. parietal lobe
B. hippocampus
C. thalamus
D. hypothalamus
E. midbrain
12. The neurotransmitter that is consistently inhibitory is
___________
A. dopamine
B. serotonin
C. acetyl choline
D. GABA
E. nor-epinephrine
13. The sympathetic nervous system, when activated, has what action on the
pupil?
A. dilation
B. constriction
C. elongation
D. no change is noted
14. Glial cells include all of the following except____________
A. Betz cells
B. Oligodendrocytes
C. Schwann cells
D. Astrocytes
E. All of these are glial cells
15. A good description of the blood brain barrier is _______________
a. the meninges that are thickened and enclose the brain and the
spinal cord
b. the absence of capillary beds as blood vessels enter the skull
c. that capillaries are present and have fewer tight junctions than any
other location in the body and are covered by glial tissue
d. that capillaries are present and have more tight junctions than
anywhere else and are also covered by glial tissue.
16. The cerebro spinal fluid is ___________________
a. a filtrate of the blood that surrounds the CNS
b. blood without the red cell components that surround the CNS
c. a liquid produced in the CNS that is separate from the bloodstream
d. a fluid similar to that which lubricates linings and synovial joints
17. The ventricles of the brain are __________________
a. reservoirs for the cerebro spinal fluid found deep within the CNS
b. layers of the meninges
c. air filled cavities, like sinuses, except they are in the CNS
d. there are no ventricles in the brain; ventricles are only found in the
but has some similar components
heart
18. The large, commissural fiber tract(white matter) found in the CNS and very
visible on the hemisection of the brain is the _______________
a. pyramids
B.. inferior olive
C. corona
D..corpus callosum
19. Clusters of cell bodies are called ____________ in the CNS, and called
____________ outside of the CNS
a. golgi bodies, nodes
b. nuclei, ganglia
c. ganglia, nuclei
d. nuclei, nodes
20. The conscious control of motor activity is found in which cerebral lobe
A. frontal
B. parietal
C. occipital
D. temporal
21. The pituitary gland is attached by a stalk to the ____________
a. hypothalamus
b. cerebral cortex
c. medulla oblongota
d. midbrain
22. An important part of the brain that is often associated with Parkinsons
Disease is the __________
a. basal ganglia/nuclei
b. corpus callosum
c. superior and inferior colliculi
d. epithalamus
23. Neurotransmitters are removed from the synapse via the _____________
mechanism(s).
a. reuptake
b. metabolism
c. diffusion
d. A & B
e. A, B & C
24. An example of a neurotransmitter that is associated with different actions
in the brain, autonomic nervous system and motor end plate is
____________
a. Acetyl Choline
b. Dopamine
c. Nor-epinephrine
d. GABA
25. The outermost layer of the meninges is known as the _______________-
a. pia mater
b. dura mater
c. arachnoid layer
d. epineurium
26. The large ventricle that surrounds the area of the corpus callosum and is
associated with the cerebral cortex is the _______________
a. third ventricle
b. fourth ventricle
c. lateral ventricle
d. cerebral ventricle
27. The distinctive white matter fibers seen when the cerebellum is sectioned
is known as the ________________
a. cerebellar tracts d. peduncles
b. aqua vitae
c. arbor vitae e. none of these are correct
28. The structure that separates the cerebral cortex into left and right halves is
known as the ________________
a. longitudinal fissure
b. central sulcus
c. lateral sulcus
d. Galens fissure
29. The motor gyrus is located in the _______________ of the cerebrum
a. Frontal lobe, anterior to the central sulcus
b. Frontal lobe, posterior to the central sulcus
c. Pre frontal cortex
d. Temporal lobe of the cerebral cortex
30. A hyperpolarizing neurotransmitter has what effect on the post-synaptic
nerve cell?
a. The cell is likely to depolarize more rapidly
b. The voltage gated channels will open more rapidly
c. The cell microvoltage increases
d. The cell is less likely to depolarize
e. None of these events is likely to occur
31. The phenomena responsible for motor impulses from the right side of the
brain dictating motion on the left side of the body is due to what action of
the motor nerves?
A. spinal synapses
B. reciprocal inhibition
C. lower motor neuron distal dissection
D. decussation
E. degaussation
32. Which glial cells are responsible for Cerebrospinal fluid production?
A. ependymal cells
B. microglia
C. olgodendrocytes
D. Schwann cells
33. Which glial cells produce myelin covering of the brain white matter?
A. Astrocytes
B. Oligodendrocytes
C. Microglia
D. Ependymal cells
E. Schwann cells
34. What substances are able to cross the blood brain barrier most efficiently?
A. alcohol ( as in beverages)
B. non-polar covalent pharmaceuticals
C. proteins
D. A & B
E. A, B & C
35. An example of a neurotransmitter that is always excitatory is __________
A. glycine
B. glutamate D. Acetyl Choline
C. GABA E. endorphins
36. The catecholamines are known to include _______________
A. dopamine
B. nor-epinephrine
C. glutamate
D. A & B
E. A, B & C
37. In general, the intensity of a stimulus that is sensed by the nervous system
is directly related to _______________
A. How many sensors are triggered
B. How frequently the sensors are triggered
C. To what extent the sensors are triggered(amplitude or size of
depolarization)
D. The speed of the signal
E. A & C
The following sequence of events is out of order. Place the sequence in order
and for questions 49-53 your answers will be the order of the events.
A. Voltage regulated gates open with inflow of Na+ and outflow of K+
B. Na+/K+ pumps become active
C. Neurotransmitter agents are released from the terminus of the pre-
synaptic nerve
D. Receptors demonstrate induced fit
E. Depolarizaton occurs if threshold is reached
38. ________
39. ________
40. _______
41. _______
42. _______
43. Medicines such as Prozac and Paxil act on which
neurotransmitter__________ and by what process?
A. dopamine, metabolism
B. serotonin, metabolism
C. serotonin, reuptake
D. dopamine, reuptake
E. both dopamine and serotonin, reuptake
44. The substantia nigra and red nucleus, both associated with
neurotransmitter production, are found in the ___________ are of the
CNS
A. limbic system
B. hypothalamus
C. thalamus
D. midbrain
E. pons
45. The cerebrospinal fluid filled opening in the body of the pons, spinal cord
and the medulla is known as the _______________
A. Central Canal
B. Fourth Ventricle
C. Cerebral Aqueduct
D. Third Ventricle
E. Sub-arachnoid space
46. The cerebellum is noted for __________________
A. ipsilateral muscular coordination(same sided)
B. contralateral muscular coordination (opposite sided)
C. coordination of head movement to sound
D. coordination of head movement to visual stimuli
E. C & D
47. The long pre-ganglionic fibers are part of the __________________
A. Sympathetic nervous system
B. Parasympathetic nervous system
C. cerebellum
D. thalamus
48. In flight or fight, what changes are not observed.
A. increased blood flow to skin
B. decreased blood flow to the gastro-intestinal structures
C. increased perspiration
D. bronchial constriction
E. All of these changes are observed
49. The release of epinephrine from the adrenal medulla is associated with
__________________.
A. sympathetic nervous system activity
B. parasympathetic nervous system activity
C. somatic nervous system activity
D. spinal cord reflexive activity
50. Which of these is not associated with increased speed of nerve
impulses.
A. Presence of myelin
B. Thickness of nerve
C. Proximity to the brain
D. A and B
E. A, B and C