In a withdrawal reflex, following reception, a signal is...

Name: Problem 5, Chapter 40: Biology
Uploaded: 2021-12-25T08:45:03-08:00
Duration: 1 min 27 s
Channel: Parvati Devi
Description: In a withdrawal reflex, following reception, a signal is transmitted by (a) a motor neuron to an association neuron in the CNS (b) an association neuron in the CNS to an afferent neuron (c) an afferent neuron in the CNS to a motor neuron (d) a sensory neuron to an interneuron in the CNS (e) a sensory neuron to an interneuron in the PNS

In a withdrawal reflex, following reception, a signal is transmitted by (a) a motor neuron to an association neuron in the CNS (b) an association neuron in the CNS to an afferent neuron (c) an afferent neuron in the CNS to a motor neuron (d) a sensory neuron to an interneuron in the CNS (e) a sensory neuron to an interneuron in the PNS

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Key Concepts

Withdrawal Reflex

A withdrawal reflex is an involuntary, rapid response to a harmful stimulus whereby the body withdraws from the threat without involving higher brain functions. This reflex helps protect the body from injury.

Sensory Neuron

Sensory neurons, also known as afferent neurons, carry signals from sensory receptors towards the central nervous system. They are responsible for detecting stimuli and initiating the reflex process.

Interneuron

Interneurons are neurons located within the central nervous system that process incoming sensory information and relay signals to motor neurons. They serve as the communication link in the reflex arc between sensory and motor pathways.

Central Nervous System (CNS)

The central nervous system, comprising the brain and spinal cord, is the site where sensory information is processed and immediate responses are coordinated. Reflex actions like the withdrawal reflex are mediated within this system.

Reflex Arc

A reflex arc is the neural pathway that mediates a reflex action. It typically consists of a receptor, a sensory neuron, an interneuron, and a motor neuron, facilitating a quick and automatic response to potentially dangerous stimuli.

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