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Monosynaptic reflex

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Which reflex arcs contain no association neuron?

The patellar reflex is an example of a 2-neuron reflex arc. It has 1 sensory neuron and 1 motor neuron. It does not contain an association neuron and so is considered the most simple reflex in humans.


How many synapses occur in this reflex arc?

In a simple reflex arc, there are typically three neurons and two synapses. The sensory neuron carries the signal from the receptor to the central nervous system, where it synapses with the interneuron. The interneuron then synapses with the motor neuron, which carries the signal to the effector organ to produce a response.


The sensory receptor sensory neuron motor neuron and effector involved in a reflex form a?

The sensory receptor, sensory neuron, motor neuron, and effector involved in a reflex form a reflex arc. This is a neural pathway that controls a reflex action in response to a stimulus without conscious thought.


What kind of reflex uses just two neurons?

The patellar reflex, commonly known as the knee-jerk reflex, uses just two neurons. When the patellar tendon is tapped, a signal is sent along a sensory neuron to the spinal cord, which synapses with a motor neuron to trigger the contraction of the quadriceps muscle and extend the leg.


In humans one function of an interneuron is to relay impulses directly from?

In humans, one function of an interneuron is to relay impulses directly from sensory neurons to motor neurons. This allows for a quick response without involving the brain in every reflex action.

Related Questions

Which does not constitute part of a two-neuron reflex?

A two-neuron reflex typically involves a sensory neuron carrying information from a sensory receptor to the spinal cord, where it synapses with an interneuron. The interneuron then synapses with a motor neuron that carries the response signal to an effector organ, such as a muscle or gland. In this pathway, a third neuron would not typically be involved in a two-neuron reflex.


Which reflex arcs contain no association neuron?

The patellar reflex is an example of a 2-neuron reflex arc. It has 1 sensory neuron and 1 motor neuron. It does not contain an association neuron and so is considered the most simple reflex in humans.


How many synapses are crossed in a single reflex arc during a muscle stretch reflex?

A single reflex arc during a muscle stretch reflex involves two synapses: one at the sensory neuron in the spinal cord where the signal is transmitted to the motor neuron, and another at the neuromuscular junction where the motor neuron stimulates the muscle to contract.


How many synapses occur in this reflex arc?

In a simple reflex arc, there are typically three neurons and two synapses. The sensory neuron carries the signal from the receptor to the central nervous system, where it synapses with the interneuron. The interneuron then synapses with the motor neuron, which carries the signal to the effector organ to produce a response.


The sensory receptor sensory neuron motor neuron and effector involved in a reflex form a?

The sensory receptor, sensory neuron, motor neuron, and effector involved in a reflex form a reflex arc. This is a neural pathway that controls a reflex action in response to a stimulus without conscious thought.


What kind of reflex arc does not require an inter neuron?

A monosynaptic reflex arc does not require an interneuron. In this type of reflex arc, the sensory neuron communicates directly with the motor neuron in the spinal cord or brainstem, resulting in a quick and simple reflex response.


A withdrawal reflex employs what neurons?

Withdrawal reflex or flexor reflex employs sensory neuron, interneuron and motor neuron.


What type of neuron begins a reflex arc?

A sensory receptor is the type of neuron that begins a reflex arc.


What occurs during the reflex arc.?

The pathway that an impulse travels from your foot back to your leg is an example of a reflex arc. A reflex arc includes a sensory receptor (in this case, a receptor in your toe), sensory neuron, motor neuron, and effector (leg muscle). Some reflex arcs include interneurons. In other reflex arcs, a sensory neuron communicates directly with a motor neuron.


What is the neural pathway of a single reflex called?

The neural pathway of a single reflex is called a reflex arc. It involves the sensory neuron carrying information from the receptor to the spinal cord, where it synapses with a motor neuron that carries the response signal to the effector muscle or organ. This simple pathway allows for rapid, involuntary responses to stimuli.


What kind of reflex uses just two neurons?

The patellar reflex, commonly known as the knee-jerk reflex, uses just two neurons. When the patellar tendon is tapped, a signal is sent along a sensory neuron to the spinal cord, which synapses with a motor neuron to trigger the contraction of the quadriceps muscle and extend the leg.


What is the correct arrangement of a reflex arc?

Receptor → Sensory Neuron → Associative Neuron→ Motor division →Effectors