# 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