Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
c. A flexion reflex is a monosynaptic reflex with only one synapse in the spinal cord.

검증된 단계별 안내

Understand the definition of a flexion reflex: A flexion reflex is a type of withdrawal reflex that causes a limb to withdraw from a painful stimulus. It is a polysynaptic reflex, meaning it involves multiple synapses in the spinal cord.

Review the term 'monosynaptic reflex': A monosynaptic reflex involves only one synapse between a sensory neuron and a motor neuron, such as the stretch reflex (e.g., the patellar reflex).

Compare the characteristics of a flexion reflex and a monosynaptic reflex: A flexion reflex involves interneurons in the spinal cord, which means it is polysynaptic, not monosynaptic.

Evaluate the statement: The statement 'A flexion reflex is a monosynaptic reflex with only one synapse in the spinal cord' is false because a flexion reflex is polysynaptic, not monosynaptic.

Correct the false statement: The corrected statement is 'A flexion reflex is a polysynaptic reflex that involves multiple synapses in the spinal cord.'

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주요 개념

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Flexion Reflex

The flexion reflex is a protective reflex that causes a rapid withdrawal of a limb from a painful stimulus. It involves multiple synapses and is typically classified as a polysynaptic reflex, meaning it includes at least one interneuron between the sensory and motor neurons, allowing for a more complex response.

Monosynaptic vs. Polysynaptic Reflexes

Monosynaptic reflexes involve a direct connection between a sensory neuron and a motor neuron, resulting in a quick response, such as the knee-jerk reflex. In contrast, polysynaptic reflexes involve one or more interneurons, which can integrate multiple signals and produce a more coordinated response, as seen in the flexion reflex.

Spinal Cord Function

The spinal cord serves as a critical pathway for transmitting signals between the brain and the rest of the body. It plays a key role in reflex actions, where sensory information is processed locally to produce immediate responses without the need for brain involvement, thus facilitating quick reactions to stimuli.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.c. A flexion reflex is a monosynaptic reflex with only one synapse in the spinal cord.