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