0071509674.pdf

Eye and Ear Answers 261.The answer is a.(Kasper, p 162.)LASIK has largely replaced radial, or refractive, keratotomy. Both metho ...

results in the closing of the gated Na+channels, a reduction in permeability to Na+,and hyperpolarization of the cell membrane. ...

dilator muscles, which work in opposition to one another and are inner- vated by parasympathetic and sympathetic fibers, respect ...

The photoreceptor layer consisting of the rods and cones is the outer layer of the retina. The outer limiting membrane is forme ...

Eye and Ear Answers 405 268.The answer is b.(Kandel, pp 597, 614–615, 803.)The vestibular hair cells are the sensory transductio ...

271.The answer is e.(Young, pp 398–401. Junqueira, pp 471–474.)The stria vascularis (D)is found in the lateral wall of the cochl ...

and saccule are perpendicular to one another. These maculae contain type I and type II hair cells, which differ in their innerva ...

This page intentionally left blank ...

Head and Neck Questions DIRECTIONS: Each item below contains a question or incomplete statement followed by suggested responses. ...

276.A carcinoma in the medial portion of the lower lip is most likely to first metastasize via which of the following lymph node ...

280.Which pair of venous structures contributes to the confluence of dural sinuses on the interior surface of the occipital bone ...

283.Most skeletal elements of the face, for example, bone and cartilages are derived from which of the following? a. Cranial int ...

286.A 55-year-old man was brought into the hospital with a severe burn on his left hand. The man had placed his hand on the hot ...

289.A 9-year-old girl is brought to your pediatric office by her mother because the girl has been complaining about how sore her ...

291.A 43-year-old mother of two watching her son play baseball has been hit in the side of the head with a foul ball that came f ...

293.A 72-year-old man presents in the emergency room with dizziness and nystagmus. Examination reveals a loss of pain and temper ...

295.You are viewing at the anterior neck of a 24-year old male medical student. He has reddish spot (in circle) that is in the c ...

296.A 63-year-old woman was brought into the emergency room by her son, who suspected she had suffered a stroke the previous nig ...

298.A 53-year-old banker develops paralysis on the right side of the face, which produces an expressionless and drooping appeara ...

300.As an ENT you are about to remove a pair of enlarged palatine ton- sils from an 11-year-old boy who has suffered with their ...