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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.
Why doesn't the patellar reflex happen when your leg is straight?
The patellar reflex, also known as the knee-jerk reflex, doesn't occur when your leg is straight because the muscle involved in the reflex, the quadriceps, is relaxed when the leg is fully extended. The reflex response occurs when the muscle is slightly stretched, triggering a signal to the spinal cord that leads to the reflexive contraction of the quadriceps.
Do people have Knee jerk reflex when they sleep?
No, the knee jerk reflex is typically not active during sleep as it requires conscious input from the brain. The reflex is a reaction to a sudden stretching of the muscle, detected by the sensory neurons in the muscle spindle, which then sends a signal to the spinal cord to elicit the reflex. This process is not typically active during deep sleep stages.
What reflex inhibits gastric motility when ileum becomes overdistended?
The gastroileal reflex inhibits gastric motility when the ileum becomes overdistended. This reflex ensures that the stomach doesn't empty too quickly into an already overfull small intestine, allowing for proper digestion and absorption to occur.
What extrinsic eye muscles are controlled during the convergence reflex?
The medial rectus muscles are primarily responsible for the convergence reflex. When focusing on a near object, these muscles contract to rotate both eyes inward, allowing them to converge and maintain single binocular vision.
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.
What reflex action occur when you are hungry and smell cooking food?
your stomach grumbles
Why do you get goose bumpes?
Goose bumps, or the pilomotor reflex, is caused by tiny muscles contracting at the base of each hair on the skin. It can occur when cold but also during strong emotion.
Does knee jerk reflex lessen with distraction?
Yes, the knee jerk reflex can be dampened or altered by distraction, as focus on other stimuli can reduce its intensity. However, the reflex itself is a deep spinal cord reflex that may still occur to some extent even with distraction.
During a reflex the nerve impulse reaches?
the brain
What is a somatic reflex and how does it occur through the CNS?
A somatic reflex is where the body responds to stimulus. The message from the stimulus is sent through the central nervous system via the spine, and from there it travels to the brain.
Why don't we have to think before a reflex?
Because reflexes only occur at the level of the spinal cord, not the brain.
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.
Why doesn't the patellar reflex happen when your leg is straight?
The patellar reflex, also known as the knee-jerk reflex, doesn't occur when your leg is straight because the muscle involved in the reflex, the quadriceps, is relaxed when the leg is fully extended. The reflex response occurs when the muscle is slightly stretched, triggering a signal to the spinal cord that leads to the reflexive contraction of the quadriceps.
During a knee-jerk reflex the nerve impulse is received by the?
The knee-jerk reflex is controlled by the interneurons in the spinal cord.
No-reflex zone in your face?
The no-reflex zone in the face refers to an area where certain reflexes, such as the corneal reflex or blink reflex, are absent or reduced. This can occur due to neurological conditions affecting the facial nerve or other related pathways. It is important to consult a healthcare professional for a thorough evaluation if you suspect any abnormalities in facial reflexes.
Do people have Knee jerk reflex when they sleep?
No, the knee jerk reflex is typically not active during sleep as it requires conscious input from the brain. The reflex is a reaction to a sudden stretching of the muscle, detected by the sensory neurons in the muscle spindle, which then sends a signal to the spinal cord to elicit the reflex. This process is not typically active during deep sleep stages.
