During a physical exam you lightly touch the patient’s corne…

During a physical exam you lightly touch the patient’s cornea with strands from a cotton ball. You observe that the patient blinks in response to this stimulus, and conclude that the afferent and efferent limbs of the blink reflex are functioning properly. Which one of the following nerve combinations represent the afferent and efferent limbs of the blink reflex, respectively?

During a physical examination including assessment of crania…

During a physical examination including assessment of cranial nerve function, you notice that a patient’s tongue deviates to the right side when you ask him to protrude (stick out) his tongue.  Which one of the following structures is most likely damaged in this patient?

A 43-year-old female presents to the clinic complaining of l…

A 43-year-old female presents to the clinic complaining of left jaw pain for the last 3 months. She has difficulty chewing her food due to this pain. Physical examination shows inflammation of the left temporomandibular joint that is disrupting the function of the nerve that passes through the petrotympanic fissure. Which of the following signs is the patient most likely to experience?

An unconscious patient is transported to the hospital ER. Ex…

An unconscious patient is transported to the hospital ER. Examination shows that his right pupil constricts when light is shined in the right eye, but does not constrict when light is shined in the left eye. On the other hand, his left pupil constricts when light is shined in the right eye, but not when light is shined in the left eye. Which one of the following structures is most likely damaged in this patient?