A doctor is testing the effectiveness of a new antibiotic. H…

A doctor is testing the effectiveness of a new antibiotic. He gives the first group of patients a placebo(sugar pill, no medicine), a second group receives antibiotic A, while the third group receives antibiotic B. Which of the groups is considered the control group?  

Several bones are closely associated with the skull, but not…

Several bones are closely associated with the skull, but not considered part of it. Select the accurate statements about them. Check all that apply. A) The auditory ossicles are named the malleus, incus, and stapes. B) Forensic pathologists look for a fractured hyoid as evidence of strangulation. C) The hyoid bone serves for attachment of several muscles that control the maxilla, tongue, and larynx. D) The hyoid is one of the few bones that does not articulate with any other. E)There are three auditory ossicles in each middle-ear cavity and the hyoid bone beneath the chin.