MC test 3
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each of the black spaces below before clicking
on it to display the answer.
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| The <?> nervous system carries sensory information to the CNS | Afferent
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| The<?> nervous system carries instructions to the skeletal muscles | somatic
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| The <?> nervous system is involved in increasing heart rate | sympathetic
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| a neuron with a single axon and several dendrites is called a(n) <?> neuron | multipolar
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| the resting potential of a neuron is approximately <?> mV | -70
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| what cells produce CSF? | microglia
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| what cells make up the myelin sheath in the PNS? | ependymal cells
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| when a graded neurotransmitter activates a neuron, it will first cause a(n) <?> potential | graded
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| what cells are found in the CNS? | astrocytes, ependymal cells, oligodendrocyytes
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| at the resting potential of a neuron, the sodium/potassium pump moves <?> | 3 sodium ions out, and 2 potassium ions in
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| the innermost layer of the meninges is called the<?> | pia mater
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| the denticulate ligament connects <?> | the pia mater to the dura mater
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| what are the plexus of the spinal cord? | cervial, brachial, lumbar, sacral
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| a reflex that occurs only after a learning process is called a(n) <?> reflex | acquired
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| what is present in the ventricles of the brain? | cerebrospinal fluid
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| the corpora quadrigemina is part of the <?> | midbrain
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| the <?> is a bundle of commissural tissue connecting the cerebral hemispheres | corpus callosum
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| which portion of the brain is involved in control of the endocrine system? | hypothalamus
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| what is the primary function of the blood-brain barrier? | inhibit solute exchange between blood and CNS
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| which portion of the brain is involved with relaying information to the proper portion of the cerebrum? | thalamus
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| which portion of the brain is involved in the fine control of motor activity? | cerebellum
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| <?> fibers connect the cerebrum to other parts of the brain | association
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| the limbic system is involved in <?> | control of emotional responses
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| the lateral ventricles are connected to the third ventricle by the <?> | interventricular foramen
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| what is NOT a region of the brain? | pituitary gland
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| what is not a class of neurotransmitter? | pyrimidine
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| serotonin is a(n)<?> | biogenic amine
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| what are the classes of neurotransmitters? | biogenic amines, modified amino acids, modified purines, neuropeptides
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| summation in neuron activity may be <?> | spatial and temporal
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| somatic motor activity is centered in the <?> of the spinal cord | anterior grey horn
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| What is found in the skin? | merkel disks, pacini corpuscle, fere nerve endings, ruffini end organs
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| what are the sensory tracts? | spinothalamic tract, dorsal column, trigeminothalamic tract, spinocerebellar tract, spinoreticular tract, spinomesncephalic tracts
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| what tracts are direct pathways? | corticobulbar tract, (lateral and anterior) corticospinal tract
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| which area of the cerebrum is the mouth, tongue and throat movements associated wit speech? | Broca's area
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| which area of the brain is involved in the planning and calculating of requirements for a specific body movement? | premotor area
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| what type of neural fiber would be involved in connecting different portions of the same cerebral hemisphere? | associative fibers
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| <?>is controlled by the largest proportion of the primary motor cortex? | face
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| <?> waves are associated with sleep | delta
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| the type of memory that involves committing many facts to memory is <?> | explicit memory
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| the sense that allows the brain awareness of the location of your different body parts is called<?> | proprioception
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| what are the special senses? | balance, smell, hearing, taste, and vision
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