Give the major differential diagnosis for each of the following circumstances. do not use abbreviations, spell out the terms completely.
1. sudden, unilateral cp after trauma to the chest: {}2. cough, sob, and fever: {}3. sob with a 30-year history of smoking: {}4. burning epigastric pain that is often exacerbated with ingestion of more acidic foods: {}

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.

In the 2010 ncaa men's lacrosse annual meeting, a rule change regarding "get it in/keep it in" was added to what section?

A74-year-old woman, who has been followed for the past 25 years for chronic obstructive pulmonary disease comes to the ed complaining of 48 hours of temperature to 38.6 c and worsening shortness of breath. she has a chronic productive cough, which has become more copious. on physical examination, she has rhonchi and increased fremitus in the posterior mid-lung field. a gram's stain reveals many epithelial cells and multiple gram-positive and gram-negative organisms; no neutrophils are seen. which of the following is the most likely organism causing the symptoms? - escherichia coli- haemophilus influenzae- klebsiella pneumoniae- mycobacterium tuberculosis- mycoplasma pneumoniae