Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
b. The somatic motor division of the PNS consists of lower motor neurons that directly innervate skeletal muscle fibers.

검증된 단계별 안내

Step 1: Understand the somatic motor division of the peripheral nervous system (PNS). The somatic motor division is responsible for voluntary control of skeletal muscles and consists of lower motor neurons that directly innervate skeletal muscle fibers.

Step 2: Analyze the statement provided. The statement claims that the somatic motor division of the PNS consists of lower motor neurons that directly innervate skeletal muscle fibers.

Step 3: Determine if the statement is true or false. Based on the definition of the somatic motor division, the statement is true because lower motor neurons are indeed responsible for directly innervating skeletal muscle fibers.

Step 4: If the statement were false, you would need to correct it. For example, if the statement incorrectly mentioned that the somatic motor division innervates smooth muscle fibers, you would correct it to specify skeletal muscle fibers instead.

Step 5: Conclude that the statement is true as written, and no corrections are necessary.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Somatic Motor Division

The somatic motor division is a part of the peripheral nervous system (PNS) responsible for voluntary movements. It consists of lower motor neurons that transmit signals from the central nervous system to skeletal muscles, enabling conscious control of muscle contractions.

Lower Motor Neurons

Lower motor neurons are the final pathway for transmitting motor signals from the spinal cord or brainstem to skeletal muscles. They directly innervate muscle fibers, facilitating movement by causing muscle contraction in response to neural impulses.

Innervation

Innervation refers to the supply of nerves to a specific body part, allowing for communication between the nervous system and muscles or organs. In the context of the somatic motor division, it specifically involves the connection between lower motor neurons and skeletal muscle fibers, enabling voluntary movement.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.b. The somatic motor division of the PNS consists of lower motor neurons that directly innervate skeletal muscle fibers.