Term
| Diagnostic stage of Cryptosporidium parvum |
|
Definition
| mature and immature oocysts |
|
|
Term
| Infective stage of Cryptosporidium parvum |
|
Definition
| oocysts transmitted via fecal-oral route |
|
|
Term
| Distribution of Cryptosporidium parvum |
|
Definition
|
|
Term
| How does Cryptosporidium parvum affect immunodeficient persons? |
|
Definition
| Severe diarrhea, fever, nausea, abdominal discomfort and weight loss. AIDS patients are very susceptible |
|
|
Term
| Diagnosis of Cryptosporidium parvum |
|
Definition
| Modified acid-fast method. Oocysts stain red against a blue back ground; acid fast positive |
|
|
Term
| Distribution of Cyclospora cayetanensis |
|
Definition
|
|
Term
| When are Cyclospora cayetanensis infections most common? |
|
Definition
| May through August; peak is in June and July. Coincides with importation of berries. |
|
|
Term
| Diagnostic stage of Cyclospora cayetanensis |
|
Definition
|
|
Term
| Infective stage of Cyclospora cayetanensis |
|
Definition
|
|
Term
| Is Cyclospora cayetanensis spread from person to person? |
|
Definition
| No, because oocysts are not infective upon passage. |
|
|
Term
| Name four tests used to diagnose Cyclospora cayetanensis |
|
Definition
| Trichrome stain, Modified acid fast stain, ultraviolet fluorescence, Modified safranin stain |
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|
Term
| Diagnostic stage of Isospora belli |
|
Definition
|
|
Term
| Infective stage of Isospora belli |
|
Definition
|
|
Term
| How is Isospora belli spread? |
|
Definition
| fecally contaminated food or water |
|
|
Term
| Diagnosis of Isospora belli |
|
Definition
| Acid fast positive, and autoflorescent when viewed by ultraviolet fluorescence microscopy |
|
|
Term
| Distribution of Toxoplasma gondii |
|
Definition
|
|
Term
| Host of Toxoplasma gondii |
|
Definition
|
|
Term
| Diagnosis of Toxoplasma gondii |
|
Definition
| serological tests, and Sabin-Feldman dye test |
|
|
Term
| Infective stage of Toxoplasma gondii |
|
Definition
|
|
Term
| Who is susceptible to Toxoplasma gondii |
|
Definition
| AIDS patients and pregnant women |
|
|
Term
| causative agent of atypical interstitial plasma cell pneumonia |
|
Definition
|
|
Term
| Diagnosis of Pneumocystis carinii |
|
Definition
| Demonstration of organism in lungs |
|
|
Term
| Specimen of choice for testing for Pneumocystis carinii |
|
Definition
| tissue sample from open lung biopsy; bronchial washing or brushing is also acceptable |
|
|
Term
| Gomori's methenamine silver stain is used to test for what? |
|
Definition
|
|
Term
| Most common microsporidian causing enteritis in AIDS patients |
|
Definition
|
|
Term
| spores containing a polar tubule, which is an extrusion mechanism for injecting infective spore contents into host cells |
|
Definition
|
|
Term
| Definitive diagnosis of Enterocytozoon bieneusi is made using..? |
|
Definition
|
|
Term
| Anaerobic protozoan of unclear classification that requires bacteria for growth |
|
Definition
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