The CSF culture from a 92 year-old woman grows Gram positive bacilli with a very narrow zone of beta hemolysis on BAP. Further testing demonstrates the organism is catalase positive and bile esculin positive. Which of the following are considered virulence factors for this pathogen? 1) the ability to grow at cold temperatures (4 Degrees Celsius) 2) production of protein P60 which increases the organism’s ability to penetrate mammalian cells 3) production of emetic toxin 4) the ability of the organism to live inside phagocytes
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If vancomycin is used for more than 3 days, the patient shou…
If vancomycin is used for more than 3 days, the patient should be monitored for toxicity by obtaining a blood sample drawn within 30 minutes of the next dose. This measurement is called:
In general, which antibiotic would be the best choice to use…
In general, which antibiotic would be the best choice to use to treat an infection caused by a Gram-Negative organism?
Identify the antibiotic class that targets the 50s ribosomal…
Identify the antibiotic class that targets the 50s ribosomal subunit.
A 23-year-old male patient presents with a purulent urethral…
A 23-year-old male patient presents with a purulent urethral discharge. He also mentions that he has urethral itching and burning on urination. He admits to having had unprotected intercourse with multiple partners recently. A Gram stain and culture of the discharge is ordered. The Gram stain reveals many neutrophils and many intra- and extra-cellular Gram negative diplococci. The organism grew on MTM and further testing was performed. Which of the following would be the appropriate testing and the correct reactions for the suspected pathogen?
From the latitudes listed below, identify the one where you…
From the latitudes listed below, identify the one where you would encounter the tree line at the highest elevation.
Identify the number (1 – 4) that would result in the formati…
Identify the number (1 – 4) that would result in the formation of igneous rocks? (0.5 point)
Identify the term used to refer to the situation in the imag…
Identify the term used to refer to the situation in the image displayed on the screen. I am specifically referring to the term used to describe a zone of green vegetation running through the middle of the picture.
An organism that is within the stress zone of environmental…
An organism that is within the stress zone of environmental limits will: __________.
Is the graph displayed above more useful in explaining varia…
Is the graph displayed above more useful in explaining variations in weather or climate?