Asymptomatic Neck Mass

Question 1:

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Question 2:

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Question 3:

Smoking causes many health problems-in addition to lung cancer. Endothelial dysfunction, platelet activation, oxidative stress, inflammation, and lipid alterations have all been suggested as risk factors for heart disease in smokers. Lipids have been implicated more specifically, and down to molecular and endothelial levels.

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Question 4:

A 45-year-old man complained about moderate itching and scaling between his toes on both feet.

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Question 5:

A man in his 70s has had slurred speech for 5 days. He is also having some trouble swallowing and chewing. He has been using his hand to hold his jaw closed; otherwise it just hangs open. He denies jaw pain, headache, trauma, visual problems, or weakness in his arms or legs. Extra-ocular movements are full and without nystagmus. Vital signs are all within normal limits. Laboratory test results are normal except for a potassium level of 3.1 mEq/L.

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ANSWER KEY:

Question 1. F

Question 2. A

Question 3. E

Question 4. B

Question 5. C