| Which of the following parasites migrate either to or through the lungs in their corresponding life cycle? | View Page |
| This suspicious form, shown here at both low (10X) and high dry (40X) power, measures 90 µm by 42 µm. It was seen in a stool sample. | View Page |
| This intestinal parasite, found in stool, measures 170 µm by 63 µm. | View Page |
| This suspicious form, seen on a scotch tape prep, measures 54 µm by 28 µm. | View Page |
| This suspicious form was seen in a stool specimen and measures 33 µm by 28 µm. | View Page |
| This suspicious form, found in stool, measures 55 µm. | View Page |
| This stool parasite measures 55 µm by 50 µm and is the causative agent of: | View Page |
| Arrange the following parasites in order (smallest to largest) based on relative egg size: | View Page |
| Match each parasite listed here with its respective picture: | View Page |
| Arrange the parasites listed here in order based on relative size from largest to smallest: | View Page |
| The eggs of Necator americanus are basically indistinguishable from the eggs of: | View Page |
| A 43 year old female presented to her doctor for a routine check-up. Her only complaint was that she had been experiencing watery stools that occasionally contained pus and blood. Examination revealed tenderness in her abdomen. A stool for parasite study was sent to the lab. Two suspicious forms were seen. The oblong form on measured 53 µm by 60 µm whereas the rounder form measured 45 µm by 37 µm. Use the pulldown boxes to identify each picture: | View Page |
| A 31 year old male missionary worker recently returned from Africa where he helped a small rural community update their sanitation practices. He presented to his physician weak and complained of recent weight loss, abdominal pain, and diarrhea that was often bloody. The doctor ordered a battery of tests including a complete blood count (CBC) and stool for parasite examination. The CBC revealed eosinophilia and anemia. This suspicious form was seen on the wet preparations. It measured 52 µm by 27 µm. What parasite is mostly likely present? | View Page |
| A 45 year old mother of two went to her physician because her children were recently diagnosed with ascariasis and she was concerned that she had also contracted the disease. Other than complaining of recent sporadic diarrhea, she was in overall good health. The doctor ordered a stool for ova & parasite examination. This suspicious form, measuring 55 µm was seen throughout the sample. This form is most likely: | View Page |
| A 10 year old male presented to the local Appalachian Mountain clinic complaining of vomiting, fever and severe abdominal pain. Patient history revealed that the child lives in the area in substandard conditions and receives only one balanced meal per day. A stool was collected and submitted for parasite study. This suspicious form, measuring 50 µm by 35 µm was found. This patient is most likely infected with: | View Page |
| A 40 year old male just returned from a six-month tour of the Far East. He went to his doctor upon his return complaining of weakness, diarrhea, fever and cough. Upon questioning the patient it was learned that he spent many an evening swimming in the various local fresh water ponds. The doctor, suspicious of a parasitic infection, ordered a stool for examination. Two suspicious forms were seen: form 1 is roundish and measures 77 µm by 62 µm. Form 2 is long and ladder-like and lays on the edge of form 1. What are these two structures? | View Page |
| A 6 year old female presented to the local clinic complaining of intense perianal itching and diarrhea. The doctor ordered a cellophane tape prep and stool for routine culture and parasitic examination. The cellophane tape prep revealed suspicious form on the left. The stool culture was negative. The form on the right was seen upon examination of the stool for parasites, which measures 10 µm. Label these two suspicious forms: | View Page |
| I am found in stool and measure 75 µm by 55 µm. | View Page |
| I measure 45 µm and am found in stool. | View Page |
| I measure 65 µm in length and am found in stool. | View Page |
| I am found in stool and measure 45 µm. | View Page |
| This parasite was recovered in a veterinary stool sample. Which of the following human parasites does it most closely resemble. | View Page |
| This suspicious form, recovered in stool, measures 120 µm by 63 µm. Name that parasite! | View Page |
| This suspicious form, found in stool, measures 50 µm. Who am I? | View Page |