The ophthalmic branch is tested by touching the medial canthus of the eye, which normally elicits a blink response (palpebral reflex). Eyelid closure depends on motor innervation by the facial …

Palpebral reflex: Touch the medial canthus of the eye with a finger, cotton tip applicator, hemostat, or pen; the blink should be complete. Figure 3.Vibrissae response: Touch the upper …

2016年8月11日 · It is possible that the patient is visual but cannot blink due to facial nerve paralysis. This is checked by touching the lateral and medial canthi of the eyelids to test the …

Withdrawal reflex (pelvic limb): Watch for flexion of all joints; the reduced reflex often is best seen in the hock. • This reflex is induced by touching or pinching the skin of the toe web. A stronger …

Patellar reflex: Striking the patellar tendon elicits extension of the stifle. This evaluates the femoral nerve and the L4 through L6 spinal cord segments. Perineal reflex: Brushing the perineum on …

This is a normal palpebral response in a dog. A normal cat would be similar. When the corner of the eye is tapped, a normal reflex consists of a blink. Certa...

2021年5月17日 · The palpebral reflex is performed by tapping both the medial and lateral aspects of the eyelids – sensory fibers travel in the trigeminal nerve (CN V) and elicit a blink via motor …

2016年7月18日 · Facial nerve function should be checked by testing the palpebral reflex. If the eyelids close in response to being tapped, that response is intact. If only the globe retracts and …