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14644 Medicine

A 68-year-old man presents to the clinic for evaluation of progressive hearing loss, ringing in his ears, and facial pain on the left side. The symptoms started 1 month ago. He has also noticed some difficulty with his balance, but reports no falls. Pertinent physical findings are an unsteady gait and decreased hearing in the left ear. His eye movements, facial sensation, and facial movements are normal. An MRI scan of the brain reveals a tumor at the cerebellopontine angle. Which of the following cranial nerves is this tumor most likely to affect?

Afourth cranial nerve
Bsixth cranial nerve
Ceighth cranial nerve
Dtenth cranial nerve
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14645 Medicine

A 33-year-old farmer presents to the clinic with symptoms of recurrent wheezing and coughing after working in a barn where hay is stored. He has no prior history of asthma, and is not taking any medications. On physical examination, there are bibasilar crackles on auscultation of the lungs, the heart sounds are normal, JVP is 2 cm above the sternal angle, and there is no peripheral edema.His laboratory investigations are normal with no increase in eosinophils on the CBC. The chest x-ray (CXR) reveals patchy lower lobe infiltrates, and a normal cardiac silhouette. Which of the following is the most likely diagnosis?

Aasthma
Bchronic obstructive lung disease
Chypersensitivity pneumonitis
Dbronchiectasis
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