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Name:_____________________________________________________
Class:______________________________________________________
Anatomy and Physiology: Nervous System Test (Part 1)
I.
Multiple Choice (2 pts each) You may use your notes for this part of the
test.
______1. Which of the following neurons is located in the PNS
a. sensory
b. interneurons
c. motor
d. both a and c
______2. Which region of the brain do you use to complete a test?
a. cerebellum
b. cerebrum
c. brain stem
d. hypothalamus
______3. During physical activities, which region of the brain functions most?
a. cerebellum
b. cerebrum
c. brain stem
d. hypothalamus
______4. The reflex center of the nervous system is the
a. medulla oblongata b. reflex arc
c. muscle spindle
d. spinal cord
______5. Type of neuron located inside the CNS that connects other types of neurons is
the
a. axon
b. sensory neuron
c. interneuron
d. motor neuron
_____6. When a gymnast does a flip on the balance board, which of the following lobe(s)
of the brain is she using?
a. parietal
b. occipital
c. frontal
d. all of these are correct
_____7. What is the effector muscle activated by the biceps-jerk reflex?
a. biceps
b. gastrocnemius
c. triceps
d. anterior tibialis
____8. _________ initiates an impulse in a reflex arc.
a. axon
b. muscle spindle fiber
c. chemoreceptor
d. none of these
_____9. _________ are reflexes that occur when a muscle is stretched by a tap over its
tendon.
a. contract reflex
b. relax reflex
c. sensory
d. stretch reflex
_____10. Region of the brain that controls hunger, sleep and wakefulness, heart rate, and
body temperature.
a. Cerebrum
b. cerebellum c. brain stem d. diencephalon
_____11. Reflex that indicates damage to the corticospinal tract of the brain if occurs in
adults. It is normal in infants.
a. babinski
b. plantar reflex
c. gastric
d. sphenoid reflex
_____12. 90% of the population is considered to be ________ hemisphere dominant.
a. Right
b. left
c. codominant
_____13. The thickest, outermost layer of the meninges
a. dura mater b. pia mater c. arachnoid layer
d. none of these
_____14. An infant’s responses to stimuli are coarse and undifferentiated because nerve
fibers
a. have not yet appeared
b. are incapable of carrying impulses
c. have not yet developed connections to the brain
d. are not completely myelinated
____15. . autoimmune disease that attacks the myelin sheaths in the CNS
a. multiple sclerosis
b. muscular dystrophy c. depression d. Teuretts
_____16. The spinal cord consists of ____ segments, each giving rise to a pair of spinal
nerves.
a. 2
b. 5
c. 31 d. 41
_____17. Branch of the nervous system responsible for processing information is the
a. CNS b. PNS
c. ANS
d. SNS
_____18. The branch of the nervous system responsible for transporting nerve impulses
is the
a.CNS
b. PNS
c. ANS
d. SNS
_____19. Place the following steps of the reflex arc in order.
1. interneuron communicates with motor neuron, whose axons lead out to
effector muscles or glands.
2. sensory neuron communicates with interneurons in CNS
3. Sensory receptor at the dendrite end of sensory neuron is stimulated
a.
b.
c.
d.
3, 1, 2
1, 2, 3
2, 3, 1
3, 2, 1
_____20. Which of the following activities is controlled by the brain stem?
a. heart rate b. critical thinking
c. balance
d. none of these
_____21. ____ is an electrochemical process that carries information to and from the
CNS
a. reflex
b. synapse
c. nerve impulse
d. fissure
_____22. . sudden death of brain tissue caused by a lack of oxygen due to interrupted
blood supply
a. multiple sclerosis b. Stroke (CVA) c. gout
d. both a and c are correct
_____23. chemical messengers in the nervous system that help start and stop the
transmission of nerve impulses
a. hormone
b. neurotransmitter c. reflex arc d. meninges
_____24. Membranous coverings of the brain and spinal cord
a. Viscera
b. neural coverings c. meninges
d. cortices
____25. Which of the following areas within the brain is responsible for reflexes
associated with coughing, vomiting, and sneezing?
a. cerebrum
b. brain stem
c. thalamus d. medulla oblongata
____26. ____ is the dramatic decline of intellectual function marked by forgetfulness.
a. dementia
b. rickets
c. migraines
d. parkinson’s
____27. A ____ is an excessive discharge of electrical activity in the brain, leading to
changes in movement, sensation, or consciousness.
a. reflex
b. muscle twitch
c. seizures
d. none of these
____28. In Parkinson’s disease, cells that produce the neurotransmitter _____ (important
for planning and controlling body movement) are destroyed.
a. acetycholine
b. dopamine
c. norepinephrine
d. endorphins
_____29. Which of the following is a symptom of depression?
a. feelings of guilt, fear, or worthlessness
b. changes in energy
c. thought of death or suicide
d. all of these are correct
______30. Region of the brain that connects the two cerebral hemispheres is called the
a. hypothalamus b. midbrain
c. pineal gland
d. corpus callosum
Name:_____________________________________________________
Class:______________________________________________________
Anatomy and Physiology: Nervous System Test (Part 2)
II.
Short Answer. Choose ONLY 3 (5 pts each)
31.Distinguish between the CNS and the PNS. Discuss the function of each and the
organs of each.
32.If Christopher is in a car accident and, due to brain damage, loses his sight, which
of the lobes of the cerebrum would most likely be damaged? Why?
33.When you sing with the radio, which lobes of the cerebrum would be involved?
Explain.
34.What functional losses would you expect in a patient who has suffered injury to
the right occipital lobe of the cerebral cortex? The right temporal lobe?
35.A reflex called the biceps-jerk uses motor neurons that exit the spinal cord in the
fifth spinal nerve (C5). Another reflex, called the triceps-jerk reflex, utilizes motor
neurons in the seventh spinal nerve (C7). How might these reflexes help locate the
site of damage in a patient with a neck injury?
III.
Draw and label a simple neuron. Label the axon, dendrite, cell body,
nodes of Ranvier, Schwann cell, and nucleus. Indicate with an arrow
which direction a nerve impulse travels (15 points).