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A flexor withdrawal reflex shows all the following properties, except :-
a- recruitment
b- prepotent
c- non-fatigable
d- irradiation
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- what is typical reflex pathway containing three different nerve cell types. What function does the respective cell have?The motor neuron involved in reciprocal innervation of the withdrawal reflex inhibits the extensor muscles of the limb. Considering what you learned about stretch reflexes, why does this make sense?Explain why the crossed extension reflex must accompany a withdrawal reflex of the leg.
- Why must the withdrawal reflex, but not the stretch reflex, involve a polysynaptic reflex arc?For each of the following statements about the line reflex, state whether it is true or false. The stretch reflex involves sensory neurons that switch directly to the motor neuron in the spinal cord The muscle contracts in response to a force applied Stretch reflexes include a sensory receptor (muscle coil)There are reflex arcs that employ a gamma motor neuron wrapped around a muscle spindle and involve no interneurons. Which is NOT an appropriate example of these reflex arcs among the following? patellar reflex achilles reflex inverted supinator reflex C5 reflex arcs
- Stretch reflex is characterized by the following except :-a- disynaptic reflexb- high localizationc- shows reciprocal innervations.d- it is of graded responseThe shortest reflex time is recorded with :-a- a flexor withdrawal reflexb-an inverse stretch reflexc- a stretch reflexd- a scratch reflexDescribe the mechanism and function of a stretch reflex, tendonreflex, flexor (withdrawal) reflex, and crossed extensor reflex.
- Fatigue of reflexes :-a- develops gradually and recovers rapidlyb- develops rapidly and recovers slowlyc- develops gradually and recovers slowlyd- develops rapidly and recovers rapidlyThe withdrawal reflex is a monosynaptic reflex arc.True ORFalseWhy is response time in a monosynaptic reflex much faster than response time in a polysynaptic reflex?