PLE Category: Microbiology

PLE-3228

The E. coli pathotype that causes hemorrhagic colitis and hemolytic uremic syndrome can be characterized by all of the following, except:

PLE-3229

All of the following correctly describe the clinicopathologic features of Leptospirosis, except:

PLE-3225

In malaria, what is the Anopheles mosquito?

PLE-3226

During the first week of typhoid fever, what is the best specimen to be utilized for culture?

PLE-3223

A farmer from Samar was brought to San Lazaro Hospital due to noted ascites, jaundice, hemorrhoids, and esophageal varices. Upon history, tiny snails were seen on the streams near their farm. What laboratory test should you request for?

PLE-3224

What is the probable isolate if it has the following characteristics: catalase negative, alpha-hemolysis on blood agar, optochin resistant, and bile insoluble?

PLE-3220

Which strain of Human Papillomavirus can cause carcinoma of the penis?

PLE-3221

A patient who tested positive for an ELISA test for Hepatitis B surface antigen went to your office to undergo a confirmatory test for Hepatitis B. Therefore, you requested a Hepatitis B Profile. Which of the following tests cannot be serologically determined?

PLE-3222

Plasmodium vivax and Plasmodium ovale are two different causes of malaria and are very difficult to distinguish from each other, both clinically and diagnostically. In what characteristics may they differ?