Of the three “pox” rashes, which one is transmitted by intimate physical contact?

The bloody diarrhea that results from EHEC and Shigella infections is caused by Shiga toxin.  Shiga toxin

Which of the following would be indications of meningitis?

Koplik’s spots are a pathognomic sign of

All of the following contribute to the development of acne EXCEPT

Match each answer with the BEST selection

Which class of antibody is involved in allergic reactions (type I hypersensitivity)?

Viruses, bacteria, and toxins commonly interact with receptors on host cells. Therapeutic approaches to block the receptor interaction include all of the following EXCEPT

All of the following can result from degranulation of mast cells EXCEPT

Some bacteria have specialized secretion mechanisms that allow for the direct infection of toxins into host cells while the bacteria remain extracellular