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31 Cards in this Set
- Front
- Back
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Giardia lamblia - trophozoite |
Name the sp and form Shape: badminton racket |
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2; 2; 8 |
Number of nuclei, axostyle, and flagella in giardia lamblia trophozoite |
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Concave, convex |
Ventral and dorsal shape of giardia lamblia trophozoite |
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Suction disk; for attaching to host intestinal epithelium |
Part of ventral surface of giardia lamblia trophozoite; its use |
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T |
T/F: giardia lamblia trophozoite is bilaterally symmetrical with all organs paired |
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F - worldwide |
T/F: distribution of giardia lamblia is in Central and South America |
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Duodenum and upper part of jejunum |
Where can giardia lamblia be found in host? |
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Trophozoite; cyst |
Name the forms (morphology) of giardia lamblia |
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Giardia lamblia trophozoite: Nuclei, edge of sucker, median body, axostyle, flagellate |
Name the sp, form, and the parts |
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Younger - 2 nuclei Older - 4 nuclei |
Differntiate young vs older cysts of Giardia lamblia |
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Intestinal Malabsorption |
Effect of several giardia lamblia trophozoite mutilplying in intestine |
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Oval; diagonally lying axostyle; acidic environment |
Giardia lamblia cyst: -Shape -position of axostyle -when encystment occurs |
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Chick embryo extract; human serum; hottinger's digest; hank's serum |
4 media where Giardia lamblia can be cultured |
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F - Candida guillermondi |
T/F: Giardia lamblia can be co-cultivated with Candida albicans |
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T |
T/F: Giardia lamblia infection is uncommon in adults with effiecient CMI and HI, but common in younger age groups |
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IgA deficiency |
Risk factor in Giardia lamblia infection |
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- cyst in contaminated food are ingested - reach duodenum and jejunum, excyst as trophozoite - trophozoite attach to intestinal epithelium and multiply - release of cyst/trophozoite in feces (solid/watery) |
Life cycle of Giardia lamblia |
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Persistent loose bowel, steatorrhea, chronic enteritis, silent case, acute enterocolitis with malabsoprtion |
Clinical spectrum of Giardia lamblia infection |
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Stool microscope examination (trophozoite and cyst), fluorescent method via monoclonal antibodies, elisa, DNA probe, enterotest (trophozoite in intestine) |
Laboratory diagnosis for Giardia lamblia (5) |
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String wound to form a capsule is ingested and reaches the intestine where trophozoites will stick if present |
Principle of enterotest |
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Metronidazole Trimidazole Furazolidone |
Treatment of Giardia lamblia infection |
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F - both |
T/F: Trichomonas vaginalis is only found in female sexual organ |
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Trichomonads |
Group of flagellates with only trophozoite form |
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Single; ovoid w/ cytosome, undulating membrane, costa; 3-5 anterior flagella |
Trichomands: - number of nuclei - shape of nuclei - unique parts - flagella (present/absent, anterior/posterior, number) |
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Ileo-cecum; oral cavity; genital tract |
Where can these be found: - Trichomonas hominis - Trichomonas tenax - Trichomonas vaginalis |
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- sexual intercourse - binary fission - trophozoite in vaginal and prostatic secretion and urine mutiply -sexual contact between host and partner - trophozoite present in vagina or orifice of urethra now in host sexual partner |
Mode of transmission, reproduction, and Life cycle of Trichomonas vaginalis |
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T |
T/F: fomites can also be a means of Trichomonas vaginalis infection |
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F - worldwide |
T/F: Trichomonas vaginalis is distributed only in the Tropics |
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Urethritis |
Disease caused by Trichomonas vaginalis |
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F - Trichomonas vaginalis |
T/F: Giardia lamblia trophozoites exhibit jerky movements in smear microscopy or in secretions |
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Trichomonas sp.
- flagellum attached by undulating membrane - anterior free flagellae - blepharoplast - nucleus - cytosome - vacuole - axostyle |
Sp and parts: Left to right, up to down |
