FINAL
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| WHICH NEURON WOULD CONNECT TO A MUSCLE |
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| WHICH NEURON WOULD BE FOUND IN THE RETINA OF THE EYE |
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| WHICH NEURON IS A SENSORY NEURON FOUND IN A REFLEX ARC |
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| WHICH NEURON IS NEVER MYELINATED |
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| WHICH NEURON IS RARE |
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| IN A REFLEX ARC WHICH NEURON HAS ITS CELL BODY INSIDE THE SPINAL CORD |
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| WHICH NEURON IS COMMON ONLY IN DORSAL ROOT GANGLIA OF THE SPINAL CORD AND SENSORY GANGLIA OF THE CRANIAL NERVES |
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| WHICH IS BY FAR THE MOST COMMON NEURON TYPE |
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| THE NEURON CANNOT RESPOND TO A SECOND STIMULUS, NO MATTER HOW STRONG | ABSOLUTE REFRACTORY PERIOD
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| THE INTERIOR OF THE CELL BECOMES LESS NEGATIVE DUE TO AN INFLUX OF SODIUM IONS | DEPOLARIZATION
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| THE SPECIFIC PERIOD DURING WHICH POTASSIUM IONS DIFFUSE OUT OF THE NEURON DUE TO A CHANGE IN MEMBRANE PERMEABILITY | REPOLARIZATION
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| ALSO CALLED A NERVE IMPULSE TRANSMITTED BY AXONS | ACTION POTENTIAL
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| AN EXCEPTIONALLY STRONG STIMULUS CAN TRIGGER RESPONSE | RELATIVE REFRACTORY PERIOD
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| SALTATORY CONDUCTION IS MADE POSSIBLE BY | THE MYELIN SHEATH
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| WHICH OF THE FOLLOWING IS NOT A CHEMICAL CLASS OF NEUROTRANSMITTERS | NUCLEIC ACID
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| IS THIS STATEMENT TRUE OF FALSE: A NERVE IMPULSE OCCURS IF THE EXCITATORY AND INHIBITORY EFFECTS ARE EQUAL | FALSE
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| IS THIS STATEMENT TRUE OR FALSE: THE SYNAPTIC CLEFT PREVENTS AN IMPULSE FROM BEING TRANSMITTED DIRECTLY FROM ONE NEURON TO ANOTHER | TRUE
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| EPENDYMAL CELLS | HELP TO CIRCULATE THE CEREBROSPINAL FLUID
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| NEUROGLIA THAT CONTROL THE CHEMICAL ENVIROMENT AROUND NEURONS BY BUFFERING POTASSIUM AND RECAPTURING NEUROTRANSMITTERS ARE | ASTROCYTES
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| SCHWANN CELLS ARE FUNCTIONALLY SIMILIAR TO | OLIGODENDROCYTES
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| IMMEDIATELY AFTER AN ACTION POTENTIAL HAS PEAKED WHICH CELLULAR GATES OPEN | POTASSIUM
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| NERVE CELL ADHESION MOLECULES (N-CAMs) | ARE CRUCIAL FOR THE DEVELOPMENT OF NEURAL CONNECTIONS
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| AN INHIBITORY POSTSYNAPTIC POTENTIAL (IPSP) IS ASSOCIATED WITH | HYPERPOLORIZATION
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| WHAT OCCURS WHEN AN EXCITATORY POSTSYNAPTIC POTENTIAL (EPSP) IN BEING GENERATED ON THE DENDRITIC MEMBRANE | A SINGLE TYPE OF CHANNEL WILL OPEN, PERMITTING SIMULTANEOUS FLOW OF SODIUM AND POTASSIUM
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| WHEN A SENSORY NEURON IS EXCITED BY SOME FORM OF ENERGY, THE RESULTING GRADED POTENTIAL IS CALLED | GENERATOR POTENTIAL
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| TRUE OR FALSE: GRADED POTENTIALS INCREASE AMPLITUDE AS THEY MOVE AWAY FROM THE STIMULUS POINT | FALSE
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| TRUE OR FALSE: SOME IONS ARE PREVENTED FROM MOVING DOWN THEIR CONCENTRATION GRADIENTS BY ATP-DRIVEN PUMPS | TRUE
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| A SECOND NERVE IMPULSE CANNOT BE GENERATED UNTIL | THE MEMBRANE POTENTIAL HAS BEEN RE-ESTABLISHED
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| IN WHAT WAY DOES THE INTERIOR SURFACE OF A CELL MEMBRANE OF A RESTING (NONCONDUCTING) NEURON DIFFER FROM THE EXTERNAL ENVIROMENT? THE INTERIOR IS? | NEGATIVELY CHARGED AND CONTAINS LESS SODIUM
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| IF A MOTOR NEURON IN THE BODY WERE STIMULATED BY AN ELECTRODE PLACED ABOUT MIDPOINT ALONG THE LENGTH OF THE AXON | THE IMPULSE WOULD SPREAD BIDIRECTIONALLY
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| NEURONS MAY BE CLASSIFIED ACCORDING TO SEVERAL CHARACTERISTICS. SUCH AS | GROUP C FIBERS ARE NOT CAPABLE OF SALTATORY CONDUCTION
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| TRUE OR FALSE: SPINAL REFLEXES ARE AN EXAMPLE OF SERIAL PROCESSING | TRUE
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| THE PART OF THE NERVOUS SYSTEM THAT IS VOLUNTARY AND CONDUCTS IMPULSES FROM CNS TO THE SKELETAL MUSCLES IS THE __________ NERVOUS SYSTEM | SOMATIC N.S.
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| _________ ARE FOUND IN THE CENTRAL NERVOUS SYSTEM AND BIND AXONS AND BLOOD VESSELS TO EACH OTHER | ASTROCYTES
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| A GAP BETWEEN SCHWANN CELLS IN THE PERIPHERAL SYSTEM IS CALLED | NODE OF RANVIER
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| WHAT MECHANISM IS RESPONSIBLE FOR AXONAL TRANSPORT | ATP DEPENDANT MOTOR PROTEINS: KINOSIN, DYNEIN, MYOSIN
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| THE SYNAPSE MORE COMMON IN EMBRYONIC NERVOUS TISSUE THAN IN ADULTS IS THE | ELECTRICAL SYNAPSE
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| WHEN INFORMATION IS DELIVERED WITHIN THE CNS SIMULTANEOUSLY BY DIFFERENT PARTS OF THE NEURAL PATHWAY, THE PROCESS IS CALLED______ PROCESSING | PARALLEL PROCESSING
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| ________POTENTIALS ARE SHORT LIVED LOCAL CHANGES IN MEMBRANE POTENTIAL THAT CAN BE EITHER DEPOLARIZED OR HYPERPOLARIZED | GRADED
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| _______ IS A DISEASE THAT GRADUALLY DESTROYS THE MYELIN SHEATHS OF NEURONS IN THE CNS, PARTICULARLY IN YOUNG ADULTS | MULTIPLE SCLEROSIS
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| WHEN ONE OR MORE PRESYNAPTIC NEURONS FIRE IN RAPID ORDER IT PRODUCES A MUCH GREATER DEPOLORIZATION OF THE POSTSYNAPTIC MEMBRANE THAN WOULD RESULT FROM A SINGLE EPSP; THIS EVENT IS CALLED ______SUMMATION | TEMPORAL SUMMATION
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| WHAT IS THE ROLE OF MICROGALIAL CELLS AND WHY ARE THEY SO IMPORTANT TO CNS | W/INVADING MICROBES MICROGLIAL CELLS BECOME MACROPHANGES 2 PHAGOCYTOSIZE THE MIBROLES(sp)& NEURO DEBRIS. THIS PROTECTIVE ROLE IS IMPNT BCAUSE CELLS OF IMMUNE SYS R.DENIED ACROSS THE CNS.(PHAGOCYTOSIZE DEAD CELL DEBRIS &PROTECT YOUR CNS FROM MICROORGANISMS
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| DEFINE NEUROTRANSMITTER | CHEMICAL MESSENGER RELEASED BY NEURONS THAT MAY UPON BINDING TO RECEPTORS OF NEURONS OR EFFECTOR CELLS STIMULATE OR INHIBIT THOSE NEURONS OR EFFECTOR CELLS.
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| NAME TWO AMINO ACID TRANSMITTERS, | GABA & GLYCINE
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| NAME TWO CATECHOLAMINES | DOPAMINE & NOREPINEPHRINE
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| NAME TWO PEPTIDES | ENDORPHINE & DYNORPHIN
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| WHAT FUNCTION IS SERVED BY THE INCREASED AXON DIAMETER AT THE NODES OF RANVIER | INCREASED DIAMETER INCREASED SPEED OF IMPULSE PROPAGATION DUE TO INCREASED SURFACE AREA ON THE MEMBRANE FOR SODIUM CHANNELS
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| WHAT ARE THE BASIC DIVISIONS OF THE PERIPHERAL NERVOUS SYSTEM | SENSORY AND MOTOR
2 DIVISIONS OF MOTOR = SOMATIC AND AUTONOMIC
2 DIVISIONS OF AUTONOMIC = SYMPATHETIC & PARASYMPATHETIC
CRANIAL AND SPINAL
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Created by:
TRESCEE