# 1Multiple ChoiceWhat is the primary mode of transmission for Entamoeba histolytica?Insect bitesContaminated food or waterDirect skin contactAirborne droplets
# 2Multiple ChoiceWhich form of Giardia lamblia is responsible for its transmission?TrophozoiteCystSporozoiteOocyst
# 3Multiple ChoiceWhat is a common symptom of Trichomonas vaginalis infection in women?HeadacheFrothy, yellowish-green dischargeRashNausea
# 4Multiple ChoiceWhich Plasmodium species is known for causing the most severe form of malaria?Plasmodium vivaxPlasmodium ovalePlasmodium falciparumPlasmodium malariae
# 5Multiple ChoiceWhat is the main treatment for Pneumocystis carinii pneumonia (PCP)?PenicillinTrimethoprim-sulfamethoxazoleAmoxicillinIbuprofen
# 6Multiple ChoiceHow is Toxoplasma gondii most commonly transmitted to humans?Mosquito bitesContaminated waterUndercooked meatAirborne particles
# 7Multiple ChoiceWhat is a significant complication of untreated Entamoeba histolytica infection?Liver abscessKidney stonesHeart attackAsthma
# 8Multiple ChoiceWhat preventive measure is recommended to avoid Giardia lamblia infection?Avoiding mosquito bitesUsing bed netsDrinking treated waterWearing masks
# 9Multiple ChoiceWhich group is at higher risk for severe outcomes from Toxoplasma gondii infection?AthletesPregnant womenTeenagersSeniors
# 10Multiple ChoiceWhat distinguishes the trophozoite form of Entamoeba histolytica?Presence of flagellaIngested red blood cellsMultinucleated structureProtective cyst wall
# 11Multiple ChoiceWhich protozoan parasite is responsible for causing malaria?Plasmodium speciesGiardia lambliaEntamoeba histolyticaTrichomonas vaginalis
# 12Multiple ChoiceWhat is the primary mode of transmission for Entamoeba histolytica?Direct contact with bloodIngestion of contaminated food or waterSexual transmissionInsect bites
# 13Multiple ChoiceWhich form of Giardia lamblia is responsible for its environmental resistance?TrophozoiteCystSporozoiteOocyst
# 14Multiple ChoiceTrichomonas vaginalis primarily infects which part of the human body?Gastrointestinal tractRespiratory systemUrogenital tractCirculatory system
# 15Multiple ChoiceWhich protozoan is known for causing amoebic liver abscesses?Giardia lambliaEntamoeba histolyticaPlasmodium speciesToxoplasma gondii
# 16Multiple ChoiceWhat is the primary vector for Plasmodium species?Tsetse flyAedes mosquitoAnopheles mosquitoCulex mosquito
# 17Multiple ChoiceWhich protozoan can cause congenital infections in humans?Plasmodium speciesGiardia lambliaToxoplasma gondiiTrichomonas vaginalis
# 18Multiple ChoiceHow is Pneumocystis pneumonia primarily transmitted?Ingestion of contaminated foodSexual contactRespiratory dropletsInsect bites
# 19Multiple ChoiceWhich medication is commonly used to treat Giardia lamblia infections?MetronidazoleChloroquineIvermectinAmoxicillin
# 20Multiple ChoiceWhat is a key diagnostic feature of Entamoeba histolytica infections?Presence of RBCs in trophozoitesFlagellaCiliaSporangium