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Flagellates: Intestinal and Extraintestinal Species

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Questions and Answers

What is the primary disease associated with the flagellate species Giardia intestinalis?

Giardiasis and traveler's diarrhea

What is the primary method of transmission for the flagellate species Retortamonas intestinalis?

Hypothetical transmission via Enterobius egg

What is the recommended treatment for Trichomonas vaginalis infection?

Metronidazole (Flagyl) or tinidazole (Tindamax) or nitazoxanide (Alinia)

What is the characteristic shape of the Trichomonas vaginalis trophozoite?

Not specified in the text Signup and view all the answers

What is the primary diagnostic stage for Trichomonas vaginalis infection?

Trophozoite in vagina or orifice of urethra Signup and view all the answers

What is the recommended treatment for Trichomonas tenax infection?

No chemical treatment (Trophozoite disappears in infected persons following the institution of proper oral hygiene practices) Signup and view all the answers

What is the characteristic shape of Giardia intestinalis?

Pear-shape, teardrop Signup and view all the answers

Which flagellate has a prominent cytostome extending 1/3 to 1/2 of its body length?

Chilomastix mesnili Signup and view all the answers

What is the distinctive feature of the nuclei of Dientamoeba fragilis?

Massed clumps of four to eight chromatin granules Signup and view all the answers

Which flagellate has a conical cytostome cleft in its anterior region?

Trichomonas hominis Signup and view all the answers

What is the characteristic movement of Enteromonas hominis?

Jerky Signup and view all the answers

How many axonemes does Giardia intestinalis have?

Two Signup and view all the answers

What is the characteristic shape of the Trichomonas tenax and Trichomonas vaginalis?

Oval, pear-shaped Signup and view all the answers

How many nuclei are present in an immature Giardia intestinalis cyst?

Two Signup and view all the answers

What is the function of the undulating membrane in Trichomonas?

Movement Signup and view all the answers

What is the distinctive feature of Chilomastix mesnili?

A clear hyaline knob extending from the anterior end Signup and view all the answers