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?

A 73-year-old female presents with a complaint of a painful…

A 73-year-old female presents with a complaint of a painful rash on the lower right side of her face since yesterday. She also complains of new tinnitus and slight dizziness. Physical exam reveals an area of erythema with multiple small vesicles extending from the right external auditory canal to the angle of the mandible. You also note mild weakness to the muscles on the right side of her lower face. Which of the following is the most likely etiologic agent of this patient’s complaints?