What do u mean by reflex?
What do u mean by reflex?
In biology, a reflex, or reflex action, is an involuntary, unplanned sequence or action and nearly instantaneous movement in response to a stimulus. The reflex is then an automatic response to a stimulus that does not receive or need conscious thought.
What does reflexes mean in health and social care?
Reflexes are involuntary movements or actions. Some movements are spontaneous and occur as part of the baby’s normal activity. Others are responses to certain actions. Healthcare providers check reflexes to determine if the brain and nervous system are working well.
What does reflex time mean?
n. The interval of time between application of a stimulus and detection of a response.
What is a normal reflex?
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.
Why is knee jerk reflex important?
In reaction these muscles contract, and the contraction tends to straighten the leg in a kicking motion. Exaggeration or absence of the reaction suggests that there may be damage to the central nervous system. The knee jerk can also be helpful in recognizing thyroid disease.
What is the medical definition of reflex?
Reflex. Definition: A quick, involuntary movement or exercise of function, in response to a stimulus applied to the periphery and transmitted to the brain or spinal cord.
What does reflex mean in medical dictionary?
1. (Physiology) a. an immediate involuntary response, esp one that is innate, such as coughing or removal of the hand from a hot surface, evoked by a given stimulus. b. ( as modifier ): a reflex action. See also reflex arc.
What is the physiological meaning of the term reflex?
In physiology, a reflex is a response or a reaction to a stimulus. The response is innate and need not to be learned. It is an involuntary reaction of the body to a stimulus.