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If a patient is experiencing an upper GI bleed, what color would you expect the patient’s stool to be? 

The mother of a 6-year-old child brings her daughter to the pediatrician’s office because she has had a sore throat, cough, and fever for several days. She reports a fever up to 101°F , but seems to respond to treatment with acetaminophen. The child has not been eating or drinking well because she says, “it hurts to swallow.” She is ill appearing, and does not seem interested in playing with the toys that are in the examination room. The physician notes a thick, white exudate on both of the patient’s tonsils, which also seem enlarged. A throat culture and complete blood count with differential is ordered.

During the immune response to chickenpox, dendritic cells stimulate the adaptive immune response by: 

When asked on a test to explain the difference between naturally acquired active immunity and artificially acquired active immunity, a student responded, “They are the same thing—you develop immunity as a result of both!” Help your professor grade and provide feedback for this response by selecting the best type of feedback to provide this student.

Quantitative Pilocarpine Iontophoresis Testing is done with the following results. Which of the following would be the best interpretation of these results?Result 1: 25 mEq/LResult  2: 23 mEq/L

Select the sperm with normal morphology. image00660d646da.jpg

Why is KOH added to wet prep samples in regards to microscopy?

What is the main advantage of using hydrogen nuclear magnetic resonance spectroscopy over other testing methods for quantitative fecal fat testing?

What color change indicates blood in a Gastric Occult Blood test?

As the infectious disease RN, you are familiar with the concept of normal biota. A positive Escherichia coli culture could be unremarkable for which of the following specimens?