Table of Contents
- 1 How do you categorize reflexes?
- 2 What is reflex method?
- 3 Why is it called Monosynaptic?
- 4 How does a Monosynaptic reflex work?
- 5 What are the monosynaptic reflex?
- 6 What is an example of a monosynaptic reflex?
- 7 Which is an example of a multisynaptic reflex?
- 8 Where does the mechanism of reflexes take place?
How do you categorize reflexes?
By convention the deep tendon reflexes are graded as follows:
- 0 = no response; always abnormal.
- 1+ = a slight but definitely present response; may or may not be normal.
- 2+ = a brisk response; normal.
- 3+ = a very brisk response; may or may not be normal.
- 4+ = a tap elicits a repeating reflex (clonus); always abnormal.
What are four ways reflexes can be classified?
In our discussion we will examine four major reflexes that are integrated within the spinal cord: the stretch reflex, the Golgi tendon reflex, the withdrawal reflex and the crossed extensor reflex.
What is reflex method?
The reflex is an automatic response to a stimulus that does not receive or need conscious thought as it occurs through a reflex arc. Reflex arcs act on an impulse before that impulse reaches the brain.
What are the three types of reflex action?
Types of reflex action can be myotatic reflexes, tendon reflex, or reflexes observed only in human infants such as sucking reflex, and other reflexes such as abdominal reflexes or cough reflex.
Why is it called Monosynaptic?
“Mono” means one. “Synapse” just means a space between two neurons where the message transfers between them. That means, in the knee-jerk reflex, there is only one point where the message transfers between neurons, so it is monosynaptic.
Which of the following is an example of Monosynaptic reflex?
The perfect example of the monosynaptic reflex is the knee-jerk or the patellar reflex. In this reflex, neuron I has its peripheral ending within the tendons of the quadriceps muscle….Monosynaptic reflex.
| Biceps brachii | C5, C6 |
|---|---|
| Triceps surae (Achilles tendon) | S1, S2 |
How does a Monosynaptic reflex work?
In a monosynaptic reflex, the message travels from the sensory neuron to the motor neuron with only one synapse. Once the sensor is activated, the signal travels along the sensory neuron to the spinal cord. In the spinal cord, the signal crosses a synapse to a motor neuron and then travels back to the same muscle.
What reflex is Monosynaptic?
The monosynaptic stretch reflex, or sometimes also referred to as the muscle stretch reflex, deep tendon reflex, is a reflex arc that provides direct communication between sensory and motor neurons innervating the muscle.
What are the monosynaptic reflex?
The monosynaptic stretch reflex, or sometimes also referred to as the muscle stretch reflex, deep tendon reflex, is a reflex arc that provides direct communication between sensory and motor neurons innervating the muscle. This contraction allows the muscle to resist the force that initially caused the reflex.
Is crossed extensor reflex Monosynaptic?
The stretch reflex is a monosynaptic reflex that regulates muscle length through neuronal stimulation at the muscle spindle. The crossed extensor reflex is a contralateral reflex that allows the body to compensate on one side for a stimulus on the other.
What is an example of a monosynaptic reflex?
A simple reflex that involves transmission of information from a sensory neuron to the appropriate motor neuron across a single synapse in the spinal cord. The knee-jerk reflex action is an example of a monosynaptic reflex (see stretch reflex). Compare polysynaptic reflex.
Which is the best description of a reflex?
A reflex is an involuntary and nearly instantaneous movement in response to a stimulus. The reflex is an automatic response to a stimulus that does not receive or need conscious thought as it occurs through a reflex arc. Reflex arcs act on an impulse before that impulse reaches the brain. Relex arcs can be
Which is an example of a multisynaptic reflex?
A multisynaptic reflex involves more than one neuron or interneurons within the reflex arc process. It works together with more than one area of the central nervous system, mainly the brain and the spinal cord. An example of such kind of reflex is flexor reflex. 3. What is Monosynaptic or Monosegmental Reflex?
What are the different types of deep tendon reflexes?
Reflex Exam (Deep Tendon Reflexes) 1 Root Level. 2 Corneal reflex (blink reflex). 3 Abdominal reflex. 4 Cremaster reflex. 5 Plantar reflex. 6 (more items)
Where does the mechanism of reflexes take place?
It doesn’t require much of a thinking process and the action is called the reflex action. And here, the mechanism of reflex includes the roles of spinal cord and the nerve pathway, involved in this action including a sensory nerve, a synapse, and a motor nerve, which altogether is termed as reflex arc.