What is the purpose of the heat fixation step in the gram stain process?

When testing an isolate of S. aureus to determine methicillin resistance, the current recommended drug to utilize is:

Signs and symptoms of chronic mesenteric ischemia include  (choose all that apply)

An organism recovered from a patient culture has a slide coagulase test performed which results in a milky, liquid solution with no visible clumps. What test, if any, should be performed next and why? If no further testing needs to be performed, how should the organism be resulted? Explain your answer.

In order for the Radiologist to diagnosis the SMA as being abnormal with a greater than 70% stenosis, the PSV should be:

Branches off the celiac artery are:  (choose all that apply)

How would S. saprophyticus appear on MAC?

The exfoliative toxin of Staphylococcus is implicated in:

When performing liver transplant Doppler, color and spectral Doppler assessment should include: 

Smith’s most significant contribution to early American history was