your patient, Mr. Pratchett, is unable to open his eyelid. on examination, you find that his pupil is dilated, and he is unable to move his affected eye in any direction except laterally and downward, indicating that only his lateral rectus and superior oblique extrinsic eye muscles are functioning. based on this information, which cranial nerve do you think is involved in Mr. Pratchett's condition? explain your reasoning

A 20-year-old woman is brought to the emergency department 30 minutes after being found unconscious in her dormitory room. Part of the physical examination involves observing for conjugate eye movements after carefully opening the patient's eyelids and turning the head to the right and then to the left. The presence of this reflex suggests that the neural pathway from which of the following receptors is intact? A) Anterior semicircular canals B) Horizontal semicircular canals C) Posterior semicircular canals D) Saccule E) Utricle

Based on the test scenario provided, choose what types of cranial nerves were involved and what type of nerve give the options! 1. Test: Without moving the head, the subject follows with the eyes the movement of a pencil in the visual field. What cranial nerve(s) is used AND what type of nerve:  THERE ARE FOUR CRANIAL NERVES USED IN THIS TEST (3 ALREADY LISTED BELOW).....WHAT IS THE 4TH ONE? 1. Optic nerve, sensory 2. Oculomotor nerve, motor 3. Trochlear nerve, motor and 4. _________. (REMAINING OPTIONS, CHOOSE ONE: Olfactory nerve, Trigeminal nerve, Abducens nerve, Facial nerve, Vestibulocohlear nerve, Vagus nerve, Accessory nerve, Hypoglossal nerve AND is it Sensory, motor, or mixed?)

Jessica was knocked off her bicycle and fractured the medialepicondyle of her elbow. The neurologist detected swelling andincreased pressure around Jessica’s injury, and suspected that anerve might be damaged as well. What nerve is likely damaged,and what other symptoms would the neurologist expect as aresult of this injury?

An individual sustains injuries to only the ascending tract of the spinal cord.will this person experience deficits in movement,sensation,both or neither?explain.