An elderly gentleman, whose wife is his legally authorized representative since his strokes several years ago, was recently diagnosed with lung cancer. he is eligible for a clinical trial using a new investigational drug that aims to treat lung cancer. he is able to express interest, shows a basic understanding of the nature of the trial, and gives his assent to participation. the subject's wife is out of town on a business trip. what is the most appropriate action to take for the investigator?

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

What percent of body heat can be lost through the head

This is a negative reaction to food that doesn’t involve the immune system