What is the preferred needle length and gauge for maxillary nerve block with a palatal approach?

Which of the following agents is MOST likely to produce blistering?

a. Vesicant c. Nerve agent b. Biotoxin d. Pulmonary agent

A blood culture yields yellow-pigmented, beta-hemolytic, catalase-positive, gram-positive cocci in clusters. The department is out of Staphylococcus latex agglutination reagent. The microbiologist sets up a tube coagulase and mannitol salt agar

She incubates both at 35°C in CO2 overnight. The next day the coagulase test is negative and the mannitol salt agar displays yellow colonies. How will you proceed with these results? A) Report this organism as Staphylococcus not S. aureus B) Repeat the tests due to invalid results C) Test the organism for novobiocin resistance D) Report this organism as Staphylococcus aureus