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The efferent organ for the knee-jerk reflex is the quadriceps muscle in the thigh. When the patellar tendon is tapped, sensory neurons send a signal to the spinal cord, which then activates motor neurons that innervate the quadriceps. This results in the contraction of the quadriceps muscle and the characteristic kicking motion of the leg.
What else can I help you with?
What is the difference between afferent and efferent arteries?
Efferent arteries take blood away from an organ and afferent arteries bring blood to an organ.
In a three neuron reflex arc the afferent neurons synapse with?
In a three neuron reflex arc, the afferent neurons synapse with interneurons in the spinal cord or brainstem. The interneurons then synapse with efferent neurons which transmit the signal to the effector organ to initiate a response.
What connects to sensory neurons?
You have three neurons in the reflex arc. You have the afferent, the intermediate and efferent neurons in the reflex arc. So the answer is intermediate neuron.
What does the axon of an efferent neuron could synapse with?
a sense organ
What are the five parts of a reflex?
Five parts of a reflex arc are the receptor, sensory neuron (afferent), integration center, motor neuron (efferent), and effector.
What are three kinds of neutrons that would be involved in a reflex impulse?
They are neurons and not neutrons. You have afferent neuron. Then you have intermediate neuron and then you have the efferent neuron in the reflex arc.
What Three kinds of neutrons that would be involved in a reflex impulse?
They are neurons and not neutrons. You have afferent neuron. Then you have intermediate neuron and then you have the efferent neuron in the reflex arc.
What Efferent limb assessed in knee jerk reflex?
The efferent limb assessed in the knee jerk reflex is the femoral nerve, which transmits the signal from the spinal cord to the quadriceps muscle causing it to contract and the leg to kick.
What nerve is carrying the afferent and efferent impulses during the patellar reflex?
The nerves innervate the quadriceps. The afferent nerves are the muscle spindles and the efferent are the motor neurons.
Is an ankle jerk reflex somatic or autonomic?
Ankle jerk is somatic. It is the reflex action, in which the afferent. connecting and the efferent neurons are involved. Autonomic nerves do not supply the striated muscles.
Which of these is not one of the essential compponents of a reflex arc?
The brain is not one of the essential components of a reflex arc. Reflex arcs involve sensory receptors, afferent neurons, interneurons, efferent neurons, and effectors, but they do not involve the brain in the reflex loop.
An axon of an efferent neuron could synapse with?
An axon of an efferent neuron could synapse with a muscle fiber, gland, or another neuron in the peripheral nervous system.
