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30 Cards in this Set
- Front
- Back
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What does the two point discrimination test test?
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tests normal functioning of spinal nerves and compares the relative density of receptors in the skin of selected body regions
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How is the two point discrimination test performed?
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two points of a measuring compass are gently pressed onto the skin and teh distance is increased until two sensatins are felt
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What is determined from the two point discrimination test?
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the relative densities of skn receptors on various skin regions
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What is the relationship between the compass points and the density of receptors?
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the shorter the distance between the two compass points at which two distinct sensations can be felt, the greater the density of skin receptors
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What does the tuning fork deterine?
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normal function of the spinal nerve
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How does pressing a tuning fork against the skin determine normal nerve function?
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each sensory cutaneous region is innervated by a single pair of spinal nerves
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What is the function of the thalamus?
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acts as a relay station for sensory impulses to the cerebral cortex
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What is the function of the hypothalamus?
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regulates autonomic nervous system, controls pituitary gland,
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What is the function of the pineal gland?
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secretes melatonin
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what does melatonin do?
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assists the hypothalamus in the regulation of sleep/wake cycles
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What is the function of the pituitary gland?
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secretes multiple hormones that regulate endocrine activities in the adrenal cortex, thyroid gland, reporductive organs and a hormone that stimulates melanin production
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What is the function of the superior colliculi?
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controls reflexes related to visual stimuli
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What is the function of inferior colliculi?
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controls reflexes related to auditory stimuli
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What is the corpus callosum
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thick tract of white matter that interconnects the two cerebral hemispheres
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What does the cingulate gyrus regulate?
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emotional states and links the conscious intellectual functions of the cerebral cortex with the unconscious
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What is the infundibulum?
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narrow stalk that connects the floor of the hypothalamaus to the pituitary gland
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What does the fornix do?
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connects the hippocampus with the hypothalamus
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What is the internal capsule
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the ascending and descending projection fibers that pass through the diencephalon
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What is the function of the basal nuclei?
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provide subconscious control of skeletal muscle tone and helps coordinate learned movement patterns
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What test did we perform to test the olfactory nerve?
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Bringing spices to the nose and having the partner identify them
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What determines normal function of the olfactory nerve?
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correct identification of the olfactory nerve
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What test did we perform for the optic nerve?
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reading the text right now
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What test did we perform that tests the function of the oculomotor, trochlear, and abducens nerves?
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place your finger in front of partners eye and move it in all directions
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Waht determines normal function of the oculomotor, trochlear, and abducens nerves?
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the ability to follow your finger with normal eye movements
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Waht test did we perform to test the trigeminal nerve?
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place your hand under your partners mandible. ability to depress the mandible indicates normal motor function of the muscles of mastication
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How did we test normal motor function of the facial nerve?
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have partner perform normal various facial expressions and if they are symmetrical
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How did we test the vestibulocochlear nerve?
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sitting on a stool with eyes closed and ears plugged, rooll stool and ask to identify diren
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How did we test normal function of the vagus nerve?
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talking to your parter
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How did we test normal function of the accessory nerve?
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shrugging your shoulders, turn and rotate your head
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How did we test normal function of the hypoglossal nerve?
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have partner protrude their tongue, if both nerves are functioning normally, the tongue will move out strait when protruded
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