In an experiment to asses the effects of a new hay fever dru…

In an experiment to asses the effects of a new hay fever drug, two groups are used.  One group is given the drug while the second group is given a pill the looks identical to the pill received by the first group but contains no medicine . The group getting the non-medicinal pill (placebo) is called________________.

A father brings his 6-year-old son to the ED for sore throat…

A father brings his 6-year-old son to the ED for sore throat, hoarse voice and fever to 103F. The boy appears ill and refuses to talk. You include epiglottitis in your differential. Which of the following physical exam findings would support epiglottitis as a diagnosis?