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lab EXAM 1


Mechanoreceptors respond to touch, pressure, vibration, stretch and itch
thermorecptors sensitive to changes in temperature
photoreceptors respond to light energy
chemoreceptors respond to chemicals
nociceptors sinsitive to pain-causing stimuli
unencapsulated simple receptors free nerve endings, merkel discs, hair follicle receptors
free nerve endings Pain receptor, extroceptors, introceptors. Nociceptors, thermoreceptors.
merkel discs Pressure receptor extroceptors, mechanoreceptors slowly adapting
hari follicsls Light pressure or hair movement, extroceptors, mechanoreceptors rapidly adapting
encapsulated receptors meissner's corpuscles, pacinian corpusles
meissner's corpuscles Light touch, extroceptors, mechanoreceptors (light pressure, discriminative touch, vibration) rapidly adapting
pacinian corpuscles Deep Pressure, extroceptors, introceptors, Mechanoreceptors (deep pressure, stretch, vibration of high frequency) rapidly adapting.
ruffini's corpuscles Skin Stretching receptor, extroceptors, mechanoreceptors, slowly or non adapting
muscles spindles Changes in length of Muscle, proprioceptors, mechanoreceptors
Golgi tendon organs stretching
Patellar Reflex Knee reflex, stretch reflex, contains interneurons and antagonistic muscles inhibition
Achilles reflex ankle reflex, stretch reflex
Hearing acuity test how far we were able to hear the clock...the threshold of audibility was indefinite
hearing localization test localizing sound was easy from the front and the sides but was difficult or impossible from the back.
weber test a test to see if there is hearing loss in one ear. if the tuning fork is able to strike and be heard equally then there is not unequal hearing loss
rinne test a test to compare bone conduction vs. air conduction of sound. The Air conduction of sound should be better sound
Cervical plexes Phrenic nerve, c3-c5, diaphragm
axillary nerve c5, c6, deltoid and some skin, brachial plexus
musculocutaneous nerve brachial plexus, c5-c7, muscles (arm)
median nerve brachial plexus, c,8 and t1 and c5-c7, muscles and flexor group of anterior forearm, skin of lateral 2/3rs of hand
ulnar nerve brachial plexus, c8-t1, muscular branches, flexor muscles in anterior forearm, hand muscles
radial nerve brachial plexus, c5-c8 and t1, posterior muscles of arm, triceps brachioradialis
Femoral nerve Lumbar plexus, L2-L4, skin of anterior and medial thigh, meadial leg and foot, hip and knee joints. Motor to quads.
obturator nerve lumbar plexus, L2-l4, motor to adductor magnus, longus and brevis muscles, sensory for medial thigh
Sciatic nerve Sacral plexus, l4, l5, s1-s3, back of the leg
Tibial nerve sacral plexus, l4-s3, skin of posterior surface of leg and sole of foot. motor branches back of the thigh
common fibular nerve sacral plexus, l4-s2, skin of the anterior surface of leg and dorsum of foot
pudendal nerve sacral plexus s2-s4, genitalia
Created by: deleted user



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