PARA311 - INTRODUCTION

In clinical setting, the most important parasitic stage to identify is the

• Diagnostic stage

• Infective stage

• Larval stage

• Adult stage

Most of the parasites, just like Ascaris lumbricoides is an example of a/an

• Obligate parasite

• Facultative parasite

• Spurious parasite

• Pathognomonic parasite

A head lice (Pediculus humanus) is an example of

• Euparasite

• Endoparasite

• Ectoparasite

• Normoparasite

Barangay ABC has demonstrated to have gastroenteritis due to soil-transmitted worms as an endemic disease. After the effective actions of health workers, there are now 0 cases of worm infection in Brgy. ABC. This denotes to

• Elimination

• Extrapolation

• Entrapolation

• Two of the choices

Cysteine proteinase of Entamoeba histolytica produces the characteristic

• Round base-shaped ulcer

• Blunt-shaped ulcer

• Duodenal ulcer

• Flask-shaped ulcer

If a patient is suspected of having symptomatic intestinal amebiasis, what parasite is expected to be seen?

• Entamoeba hartmanii

• Entamoeba histolytica

• Entamoeba coli

• Endolimax nana

For a 23 year old woman with Trichomoniasis, which is the best clinical sample to detect the parasite?

• Urine

• Stool

• Skin lesion

• Prostatic fluid where parasite resides

A mushy stool sample from a patient with malabsorption and steatorrhea is submitted. The medtech observed a bilaterally symmetrical parasite that resembles an old man's face with falling leaf motility. This should be reported as

• D. fragilis trophozoite

• D. fragilis cyst

• G. duodenalis cyst

• G. duodenalis trophozoite

Identify the stage of development:

C- or S-shaped form seen in human blood smear. Considered as diagnostic stage with undulating membrane that extends through its entire length and a flagellum that extend anteriorly. 

• Crithidial form

• Trypomastigote

• Amastigote

• Leptomonal form

African sleeping sickness is transmitted through

• Urine of the person infected

• Blood meal of Phlebotomus spp

• Feces of Reduviid bug

• Blood meal of Tsetse fly