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The forearm short abduct at the elbow, ig: patient's arm should "jump" slightly away from the body.

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12y ago

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Which of the following is not correct regarding the patellar knee jerk reflex?

The statement "The patellar knee jerk reflex is controlled by the brain" is not correct. The patellar knee jerk reflex is actually a spinal reflex, meaning it does not involve the brain in its initial response.


Which of these is a reflex?

The knee-jerk reflex is a common example of a reflex. It occurs when the knee is tapped and the leg kicks out involuntarily in response.


Is the knee-jerk reflex a simple reflex stretch reflex or a spinal reflex?

The knee-jerk reflex is a type of stretch reflex, which is a type of spinal reflex. It involves the stimulation of sensory neurons in the muscle spindles of the quadriceps muscle, leading to a quick contraction of the muscle in response to a sudden stretch.


Another name for the patellar reflex is the?

the knee-jerk reflex


What reflex is the knee jerk reflex an example of?

knee jerk aka patellar reflex is an example of a stretch reflex


What type of reflex does not involve the brain?

A spinal reflex does not involve the brain. This type of reflex is controlled by the spinal cord and does not require the brain to initiate a response. Examples include the knee-jerk reflex and the withdrawal reflex.


What characteristics do the reflexes have in common?

The reflexes that have one thing in common are the knee, ankle, plantar jerk, biceps, and triceps. They are all governed by reflex arcs in the spine.


Is the knee jerk reflex an extensor thrust reflex?

No, the knee jerk reflex is a monosynaptic reflex that involves the contraction of the quadriceps muscle to extend the knee in response to a tap on the patellar tendon. It is not considered an extensor thrust reflex, which involves a more complex pattern of muscle activation to generate forceful extension of the limb.


An example of a reflex?

knee-jerk reflex


What is meant by the term ''reflex''?

A reflex is an automatic or involuntary response to a stimulus, typically involving a sensory nerve and a motor nerve. It is a rapid and predictable reaction that helps protect the body from harm. Examples include the knee-jerk reflex and the pupillary reflex.


What human body system directly involved in reflex action such as knees jerk?

The nervous system is directly involved in reflex actions like the knee-jerk reflex. When the patellar tendon is tapped, sensory receptors send signals to the spinal cord, where an immediate response is generated through motor neurons, causing the quadriceps muscle to contract. This rapid response occurs without conscious thought, showcasing the efficiency of the reflex arc within the nervous system.


What movement would you expect to occur during the Achilles reflex?

During the Achilles reflex test, you would expect to see plantar flexion of the foot, where the foot points downwards, in response to tapping the Achilles tendon. This reflex is a protective mechanism that helps maintain posture and balance in the lower extremities.