| This suspicious form measures 12 µm by 7 µm and was found in a stool sample. | View Page |
| This suspicious form measures 13 µm and was recovered from a stool sample. | View Page |
| This suspicious form, found in stool, measures 25 µm. | View Page |
| This suspicious form, found in stool, measure 10 µm. | View Page |
| Which of the following parasites causes both intestinal and extraintestinal amebiasis? | View Page |
| Match each parasite named below with its respective primary symptom: | View Page |
| Entamoeba, Endolimax, and Iodamoeba are members of which of subphylum? | View Page |
| Which of the following parasites typically survive human stomach juices? | View Page |
| Match each amebic cyst listed here with its respective trophozoite form pictured: | View Page |
| Which of the following parasites is/are known to contain cytoplasmic ingested red blood cells in the trophozoite morphologic form? | View Page |
| The nuclei of which of the following parasites lack peripheral chromatin? | View Page |
| Match each parasite listed here with its corresponding typical nuclear appearance: | View Page |
| Arrange the following parasites in decreasing order (from large to small) based on relative size: | View Page |
| Match each parastie with the most common maximum number of nuclei present in the mature cyst form: (Answers may be used more than once.) | View Page |
| A 35 year old male presented to the local clinic complaining of abdominal cramps, severe diarrhea, and intestinal gas discomfort. A stool was collected for parasite examination. It was foul-smelling and light colored in nature. This suspicious form was recovered and measured 10 µm by 12 µm. The patient is infected with: | View Page |
| A 27 year old male was seen in the emergency room complaining of diarrhea. He had no other symptoms and was in very good health. The doctor ordered a stool for culture and parasite study. The culture revealed no enteric pathogens. This suspicious form was seen on the wet preparations and the permanent stain. It measured 16 µm. With which of the following parasites is this patient most likely infected? | View Page |
| A 12 year old female went to her doctor for her yearly back-to-school check-up. She was in good health and was asymptomatic at the time of the examination. Due to the increased incidence of parasites in the area, the doctor ordered a stool for parasite examination as part of the routine physical testing. Multiple suspicious forms, measuring approximately 9 µm each were seen. Which of the following is most likely the identification of these forms? | View Page |
| A 27 year old female graduate student recently returned from South America, where she completed a nature study of the rain forest. She spent months "living off the land." The woman went to her physician seeking treatment for a sinus infection, which she thought was responsible for several recent bouts of diarrhea. Upon questioning the patient, the doctor decided to collect stool for culture and parasitic examination. The stool culture was reported as "no enteric pathogens isolated." This suspicious form was seen on both wet preparations and on permanent stain. It measures 17 µm. The identify of this form is most likely: | View Page |
| A 31 year old female with a known history of amebiasis, presented to her physician complaining of bloody diarrhea and fever. Previous patient history revealed that she lives in substandard conditions. Parasitic examination of the woman's stool revealed this suspicious form that measures 20 µm. The identification of this form is: | View Page |
| A stool was received in the laboratory for parasitic examination on a 49 year old female who just returned from missionary work in numerous third world countries around the world. The patient had been suffering from mild diarrhea over the past two weeks. These two suspicious forms were seen. Form 1 measures a mere 6 µm whereas form 2 measures 35 µm. Label these two forms: | View Page |
| I measure 15 µm and am found in stool. | View Page |
| I measure 12 µm and am found in stool. | View Page |
| I am found in stool and may be easily mistaken for "junk." I measure 12 µm. | View Page |
| I am 12 µm in size and reside in stool. I may be easily missed since I tend to "blend-in" with fecal debris. | View Page |
| Match each amebic cyst with its respective name: | View Page |