[U6Q] When it is noisy, Scotty often bangs his head during i…

[U6Q] When it is noisy, Scotty often bangs his head during instruction, which results in staff members removing him from the noisy area. A new treatment protocol requires staff members to put noise-canceling headphones on Scotty before starting instruction. Scotty stops banging his head during instruction. The use of noise-cancelling headphones is an example of an:

A patient displayed severe upper abdominal pain after eating…

A patient displayed severe upper abdominal pain after eating a heavy meal.  Symptoms had been present on and off for several months.  Recently the patient noticed blood in their urine.  An Ova & Parasite examine revealed a large non-operculated egg with a terminal spike.  The parasite is associated with the following organ:

A patient presenting with mild abdominal pain and proglottid…

A patient presenting with mild abdominal pain and proglottids in the feces. The ova & parasite exam demonstrates a yellow-brown egg measuring 33 um that is surrounded by a thick wall with radial striations.  Internally a six-hook oncosphere is visible. The most likely identification is: