Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
b. The Golgi tendon organs detect stretch in a simple stretch reflex.

검증된 단계별 안내

Understand the role of Golgi tendon organs: Golgi tendon organs are sensory receptors located at the junction of muscles and tendons. Their primary function is to detect tension or force in the tendon, not stretch. This is a key distinction to keep in mind.

Review the concept of a simple stretch reflex: A simple stretch reflex, such as the patellar reflex, is mediated by muscle spindles, which are specialized sensory receptors that detect changes in muscle length (stretch) and initiate a reflexive contraction to maintain muscle tone.

Compare the functions of Golgi tendon organs and muscle spindles: Muscle spindles are responsible for detecting stretch and initiating the stretch reflex, while Golgi tendon organs monitor tension and help prevent excessive force that could damage the muscle or tendon.

Evaluate the statement: The statement claims that Golgi tendon organs detect stretch in a simple stretch reflex. This is incorrect because Golgi tendon organs detect tension, not stretch, and they are not involved in the simple stretch reflex.

Correct the statement: The corrected statement should read, 'The Golgi tendon organs detect tension in the tendon and are involved in the Golgi tendon reflex, not the simple stretch reflex.'

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주요 개념

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Golgi Tendon Organs

Golgi tendon organs are sensory receptors located at the junction of muscles and tendons. They primarily detect changes in muscle tension rather than stretch. When a muscle contracts, these organs send signals to the central nervous system to prevent excessive force that could lead to injury.

Stretch Reflex

The stretch reflex is a protective mechanism that helps maintain muscle tone and posture. It occurs when a muscle is stretched, triggering a reflexive contraction of that muscle to prevent overstretching. This reflex is mediated by muscle spindle fibers, not Golgi tendon organs.

Muscle Spindles

Muscle spindles are specialized sensory receptors located within the belly of muscles. They are responsible for detecting changes in muscle length (stretch) and the rate of that change. When a muscle is stretched, muscle spindles send signals to the spinal cord, initiating the stretch reflex to maintain muscle stability.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.b. The Golgi tendon organs detect stretch in a simple stretch reflex.