WebThe gag reflex is mediated by a reflex arc whose afferent part forms n. IX. and part n. X., centre in the elongated spinal cord and efferent motor fibres n. X. The reflex is provided … WebMay 1, 2015 · Cough is a protective automatic arc reflex and has three components: an afferent sensory limb, a central processing centre, and an efferent limb. The trigeminal, glossopharyngeal and vagus nerves supply the afferent pathways for cough receptors; the vagus through its pharyngeal, superior laryngeal and pulmonary branches supplies the …
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WebThe LAR is a protective reflex of the upper airway physiologically triggered by mechanical or chemical irritation of the supraglottis mucosa. For the LAR to effectively prevent aspiration, it must result in simultaneous bilateral vocal fold adduction, provided the reflex arc is intact. Webreflex arc, neurological and sensory mechanism that controls a reflex, an immediate response to a particular stimulus. The primary components of the reflex arc are the sensory neurons (or receptors) that receive stimulation … do i lose my 401k if i quit my company
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WebThe motor reflex arc allows the body to respond quickly to stimuli without waiting for the brain to process the information and initiate a response. ... such as when a person experiences a reflexive gag response to the sight or smell of certain foods. In conclusion, the motor reflex arc is a neural pathway that controls reflexive actions in ... WebThe blink reflex is a polysynaptic reflex that is most conveniently recorded from surface electrodes placed over the orbicularis oculi muscle after electrical stimulation of the supraorbital nerve (Fig. 24‐24). The afferent arc of the reflex is subserved by the trigeminal nerve, and the efferent arc is subserved by the facial nerve. Normal ... WebWhat is gag reflex? a protective response that prevents oral contents from entering the throat except as part of normal swallowing and helps prevent choking The gag reflex … fair play for peace