1) Astrocytes (a neuroglial cell) functions to a) makes cerebral spinal fluid b) eats bacteria and cell debris c) provides nutrients to neuron cells d) makes myelin 2) Myelin, an insulating material, is found in a) cell bodies b) dendrites c) axon terminals d) Schwann cells 3) The three types of neurons shown in the diagram are a) 1= interneuron. 2= motor neuron 3= sensory neuron b) 1= sensory neuron. 2= motor neuron. 3= interneuron c) 1 = interneuron. 2 = sensory neuron. 3= motor neuron d) 1= motor neuron. 2 = sensory neuron. 3= interneuron 4) What does the central nervous system use to determine the strength of a stimulus? a) Origin of the stimulus. b) Type of stimulus receptor. c) Frequency of action potentials. d) Size (amplitude) of action potentials. 5) What is the change of a cell membrane from positive to negative called? a) Glycolysis b) Action Potential c) Temporal Summation d) Electrolysis 6) The critical point at which a stimulus causes an action potential a) Synapse b) Action potential c) Membrane potential d) Threshold 7) In the CNS, glial cells out number neurons a) TRUE b) FALSE 8) Action potentials run along the ______ from ______ to ________. a) axon, dendrites, axon terminals b) axon, axon terminals, dendrites c) dendrites, axon, axon terminals d) axon terminals, axon, dendrites 9) In resting potential, neurons have more _________ on the outside of the cell membrane. a) K+ b) NaCl c) Na+ d) Cl- 10) When a membrane potential reach +30mV, ________ channels open, ________ occurs, and ________ channels close. a) Sodium, depolarization, potassium b) Potassium, depolarization, sodium c) Sodium, repolarization, potassium d) Potassium, repolarization, sodium 11) The spinal cord passes through which foramen? a) Foramen Ovale b) Foramen Magnum c) Foramen Rontundum 12) The conus medullaris is the tapering point at the end of the spinal cord. It is located approximately at _______. a) L1/L2 b) L2/L3 c) L3/L4 d) L5/S1 13) The tailed of the spinal cord is not "hanging lose". It is actually anchored via the _____, which connects to the coccyx bone. a) Cauda Equina b) Filum Terminale c) Conus Medullaris 14) How many spinal plexus groups branch off the spinal cord? a) 3 b) 4 c) 5 d) 6 15) Which of the following spinal cord regions are not involved with a plexus formation? a) Cervical b) Thoracic c) Lumbar d) Sacral 16) The cauda equina are nerves that branch off the spinal cord in which if the following areas? a) Superior end b) Lateral edges c) Inferior End 17) The spinal consists of ascending tracts axons and descending tracts of axons, where both tracts are found in white matter. The ascending tract transmits information while the descending tracts transmit motor information. Is it true or false? a) TRUE b) FALSE 18) How many pairs of spinal nerves? a) 30 b) 31 c) 32 d) 33 19) Which cranial nerve pair is the only one to serve structures outside the head and neck? a) Abducens nerve b) Vagus Nerve c) vestibulocochlear nerve d) Glossopharyngeal nerve 20) Ron has a horrible pain in his right buttock, thigh and leg. He is told he has a sciatica. Which spinal nerves is involved, and what plexus does it belong to? a) Superior and inferior gluteal nerves of the sacral plexus b) Sciatic nerve of the sacral plexus c) Musculocutaneous nerves of the brachial plexus d) Femoral nerves from lumbar plexus 21) Adult brain consists of _______ major parts. a) 2 b) 3 c) 4 d) 5 22) ________ and __________protect the brain. a) Skin, parietal bone b) Occipital bone, cranial meninges c) Cranial bones, cranial meninges d) Parietal bones, cranial meninges 23) Which of the following are the function of cerebrospinal fluid (CSF)  a) Buoys the brain b) Protect from infection c) Heat regulator d) Nutrish skin 24) Ataxia (abnormal and uncoordinated movements) presence in the damage of the following EXCEPT: a) Cerebellar b) Thalamus c) Vestibular nucleus d) Vagus nerve 25) Midbrain affection may cause oculomotor nerve palsy, diplopia (double vision), ptosis (upper eyelid droops), and hemiplegia. a) TRUE b) FALSE 26) There are eight pairs of cranial nerves that originate within the brain. a) TRUE b) FALSE 27) Impairment of the Oculomotor (III) nerve will cause ptosis, ophthalmoplegia, and mydriasis (dilation of the pupil). a) TRUE b) FALSE 28) ______________ control involuntary activities like coughing and sneezing. a) Hypothalamus b) Medulla Oblongata c) Cerebral cortex d) Pons 29) _____________ is the largest part of the brain. a) cerebellum b) cerebral cortex c) pons d) cerebrum 30) __________________ play an important role in speech, manipulation of food, and swallowing. a) Trigeminal (V) nerve b) Abducens (VI) nerve c) Hypoglossal (XII) nerve d) Facial (VII) nerve 31) Autonomic nervous system is a part of which nervous system? a) Peripheral Nervous System b) Central Nervous System c) Somatic Nervous System d) All of the above 32) Which of the following is the part of the Sympathetic Division? a) Sympathetic Preganglionic Neuron b) Trunk ganglia c) Sympathetic Postganglionic Neuron d) All of the above 33) What effect occurs on the trachea and bronchi during sympathetic stimulation? a) Trachea and bronchi constrict b) Trachea and bronchi dilate c) Remain constant d) Trachea constrict, bronchi dilate 34) Which of the structures is supplied with parasympathetic division? a) Blood vessels of skeletal muscles b) Sweat gland c) Skin d) None of the above 35) The postganglionic neuron carries a motor command from the CNS to the autonomic ganglia a) TRUE b) FALSE 36) The ANS stimulates smooth muscles, skeletal muscles, and glands, whereas the somatic nervous system innervates skeletal muscle only a) TRUE b) FALSE 37) The parasympathetic ganglion that serves in the eyes is Ciliary Ganglion a) TRUE b) FALSE 38) Preparing the body for a ‘fight-or-flight’ response is the role of the Parasympathetic Nervous System a) TRUE b) FALSE 39) Activation of the sympathetic nervous system leads to the 'fight and flight' response. Which of these is not part of that process a) Vasodilation in skeletal muscle b) Sweating c) Bladder relaxation d) Increased gut motility 40) Sympathetic innervation of the liver regulates which function? a) Formation of glucose from glycogen b) Bile synthesis and production c) Iron storage d) Endocrine function




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