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
B
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A) standing B) reaching C) HuBot D) iBOT
Stimulation to increase ventilation does not occur until the PaO2 falls below what level?
a. 90 mm Hg b. 80 mm Hg c. 70 mm Hg d. 60 mm Hg
What is the treatment of choice for a patient older than 40 years old with aplastic anemia?
a. Hematopoietic stem cell transplant b. Antibiotic agents c. Antithymocyte globulin (ATG) d. Erythropoietin
The practice of applying cricoid pressure during endotracheal intubation was named for a British anesthesiologist named:
a. Doppler b. Heimlich c. Korotkoff d. Sellick