It's easy to use allowing students to learn and understand how to do the jaw thrust maneuver correctly. The Prestan Jaw Thrust Head allows the student to grasp the manikin's lower jaw and lift with both hands displacing the jaw of the manikin forward and upward. The jaw thrust maneuver is the safest approach to opening the airway of a victim who has a possible head, neck or spinal injury because it can be accomplished by minimizing neck movement. All orders are shipped via ground except for certain larger orders, ambulance cots, etc. which ship via commercial trucking service.
optic nerve. n. Either of the second pair of cranial nerves that arise from the retina and carry visual information to the thalamus and other parts of the brain. optic nerve. n. (Physiology) the second cranial nerve, which provides a sensory pathway from the retina to the brain.
The optic nerve exits through the back of the eye. The nerve is made up of fibers which originate in nerve cells located in the retina, the light-sensitive film coating the inside of the eye.In the normal state, the optic nerve head looks much like a doughnut, with the outer ring consisting of the nerve tissue.or these reasons, examination of the optic nerve and its ability to transmit the visual message is an essential portion of the examination for glaucoma. In most patients, the optic nerve can be readily examined.