BRAIN
SPINAL CORD
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A reflex arc that only consists of a sensory and motor neuron would be a ____ reflex.
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polysynaptic
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disynaptic
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monosynaptic
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dualsynaptic
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Explanation:
Detailed explanation-1: -Reflex arcs that contain only two neurons, a sensory and a motor neuron, are considered monosynaptic. Examples of monosynaptic reflex arcs in humans include the patellar reflex and the Achilles reflex.
Detailed explanation-2: -The perfect example of the monosynaptic reflex is the knee-jerk or the patellar reflex. In this reflex, neuron I has its peripheral ending within the tendons of the quadriceps muscle.
Detailed explanation-3: -Monosynaptic reflex: ↑ A reflex that only contains one space for an action potential to travel between a sensory and motor neuron. Receptor: ↑ A part of skin or muscle that senses a stimulus. Polysynaptic reflex: ↑ A complex reflex that contains many connections between neurons.
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