PHLT 304 Exam 4- Infectious diseases: worms & protozoa Solved 100%

parasite - Answers organism that lives in or on a host and gets food from the host at the hosts expense - helminths (parasitic worms) - protozoa - ectoparasites (ticks, fleas lice- most important as disease vectors) - Answers what are the 3 main classes of parasites that the CDC lists? Neglected Tropical Diseases (NTDs) - Answers -parasitic and bacterial diseases that cause illness for more than one billion people globally -Affecting world's poorest people, impair physical and cognitive development, contribute to mother and child illness and death worms and protozoa - Answers what typically causes a number of importatn NTDs social stigma & disability - lost income - children kept out of school - reduced ability to care for family - Answers what do NTDs cause? low income countries , and even people in the USA are affected - Answers what kind of countries are affected by at least 5 NTDs substantial morbidity and mortality - Answers what do NTDs cause? Helminths - Answers parasitic worms, generally visable without magnification Cysticercosis - Answers parasitic infection caused by larval cysts of tapeworm Tanenia solium brain, muscle or other tissue - Answers what do cysticercosis larval cysts infect? fecal oral route of infection - Answers how is cysticercosis transmitted? major cause of adult onset seizures in some low- income countries - Answers what can cysticercosis cause? parts of Latin America, Africa & Asia - Answers where is cycticercosis most common? Schistosomiasis - Answers most deadly NTD caused by parasitic worms in fresh water through skin contact with the water - Answers how is schistosomiasis transmitted? maleria - Answers schistosomiasis is second to _____ as the most common parasitic disease Symptoms of Schistosomiasis - Answers - blood in urine or stool - anemia - problems with growth & development in children - bladder cancer - kidney, liver problems guinea worm disease - Answers also known as dracunculiasis, this disease causes an infection by a roundworm that gets into humans when they drink water containing water fleas carrying the worm's larvae drinking untreated unfiltered water that contains the parasite - Answers how is guinea worm disease caused?