3 Dave was playing a hockey game when he was hit in the face by a puck. He suffe

Question

3 Dave was playing a hockey game when he was hit in the face by a puck. He suffered a broken nose during the injury and now finds that his sense of smell has diminished. What is likely causing this? 4 Your patient, Mr. Pratchett, is unable to open his eyelid. On examination, you find that his pupil is dilated, a is unable to move his affected eye in any direction except laterally and downward, rectus and superio do you think is involved in Mr. Pratchett's condition? Explain your reasoning indicating that only his lateral r oblique extrinsic eye muscles are functioning. Based on this information, which cranial nerve

Explanation / Answer

3. It seems there is a damage in the olfactory bulb or that something is wrong with the neurons i.,e the mitral cells which pass the smell perception to the brain.

4.  The oculomotor nerve (third cranial nerve) enters the eye muscles that enable most movements of the eye and that raise the eyelid. So, it is probable that this nerve is involved in his condition.

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