17. Which of the following protozoan parasites is associated with a sexually transmitted infection (STI)? a) Naegleria fowleri b) Balantidium coli c) Entamoeba histolytica d) Acanthamoeba 18. Acanthamoeba keratitis is often linked to the improper use and maintenance of: a) Dental equipment b) Contact lenses c) Swimming pools d) Air conditioning systems 19. Entamoeba histolytica is most commonly acquired through the consumption of: a) Undercooked meat b) Contaminated vegetables c) Unpasteurized milk d) Raw seafood 20. Which of the following protozoan parasites is typically found in water sources but is not considered a human pathogen? a) Naegleria fowleri b) Balantidium coli c) Entamoeba histolytica d) Acanthamoeba 21. What is the primary mode of transmission for Naegleria fowleri infection in humans? a) Ingestion of contaminated food b) Direct contact with infected animals c) Inhalation of contaminated water droplets
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Entamoeba histolytica, the infamous intestinal parasite, is a true troublemaker for those who aren’t careful about their food and water hygiene! Historically endemic in areas with poor sanitation, it can wreak havoc on your digestive tract if you consume contaminated food or water. This parasite causes amoebic dysentery, which can be quite severe, so stay vigilant with your culinary choices, especially when traveling! Naegleria fowleri, often dubbed the "brain-eating amoeba," thrives in warm freshwater and is particularly dangerous. The primary mode of transmission is through inhalation of contaminated water, usually during activities like swimming or diving. It’s a rare but fatal infection that reminds us to be cautious when engaging in water sports in lakes or hot springs. So, always use nose plugs for extra safety and protect your brain!
