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The gag reflex involves a brisk and brief elevation of the soft palate and bilateral contraction of pharyngeal muscles evoked by touching the posterior pharyngeal wall. Touching the soft palate can lead to a similar reflex response. However, in that case, the sensory limb of the reflex is the CN V (trigeminal nerve). In very sensitive ...
Pharyngeal reflex — also known as the gag reflex. Photic sneeze reflex — a sneeze caused by sudden exposure to bright light. Plantar reflex — in infants up to 1 year of age, a curling of the toes when something rubs the ball of the foot. Pupillary accommodation reflex — a reduction of pupil size in response to an object coming close to ...
The gastrocolic reflex or gastrocolic response is a physiological reflex that controls the motility, or peristalsis, of the gastrointestinal tract following a meal. It involves an increase in motility of the colon consisting primarily of giant migrating contractions, in response to stretch in the stomach following ingestion and byproducts of digestion entering the small intestine. [1]
Retching can also occur as a result of an emotional response or from stress, which produces the same physical reaction. The function is thought to be mixing gastric contents with intestinal refluxate in order to buffer the former and give it momentum in preparation of vomiting. [ 2 ]
Abdominal reflex is noted as either present or absent. An absent response can be physiological. Physiological absent response can be due to obesity, frailty, or muscle laxity after multiple pregnancies or abdominal surgery. [1] It is not unusual for this reflex to be absent in children. [2]
"Absence of the gag reflex is a symptom of a number of severe medical conditions, such as damage to the glossopharyngeal nerve, the vagus nerve, or death."-- I suppose whoever wrote this meant that absence of the gag reflex can lead to death, but I don't have the knowledge to edit this myself. As it is, it says that its absence is a symptom of ...
A teenager is going viral after posting a video revealing the unthinkable reason she was forced to visit the hospital. Mollie O’Brien, a high schooler from Ontario, Canada, posted the now ...
If non-comatose patients are given muscle relaxants before the insertion of the laryngeal mask airway, they may gag and aspirate when the drugs are worn off. At that point, the laryngeal mask airway should be removed immediately to eliminate the gag response and buy time to start at new alternative intubation technique. [citation needed]