Harr Parasitology Practice Test 2026 – Complete Exam Prep Guide

Eating poorly cooked pork can lead to infection with Taenia solium and Trichinella spiralis, both of which are parasites commonly associated with pork.

Taenia solium, also known as the pork tapeworm, can cause a condition known as taeniasis when humans consume undercooked or raw pork that contains cysticerci (larval stage). Once ingested, the larva develop into adult tapeworms in the intestines, leading to a range of gastrointestinal symptoms.

Trichinella spiralis, the causative agent of trichinosis, is transmitted to humans through the consumption of insufficiently cooked pork that contains cysts. Once ingested, the cysts release larvae in the intestines, which then invade the muscle tissues, leading to various symptoms such as muscle pain, fever, and gastrointestinal distress.

The other organisms listed are not typically associated with pork consumption. For example, Taenia saginata, which is related to beef, and Hymenolepis nana, which is primarily transmitted through contaminated food or water rather than pork. Likewise, Trichuris trichiura and Hymenolepis diminuta are not contracted through pork but rather through other environmental sources and parasites. Finally, Dip