BIOL 4124 : Exam 4 Study Guide Spring 2016
Document Summary
Here are you peer generated cards to study for tuesday"s quiz. I recommend that you add to them along with pictures. Symptoms: usually asymptomatic, but can cause weight loss, loss of appetite, nausea, abdominal pain, diarrhea, dizziness, and headache. Epidemiology and pathogenesis (transmission or source): eating raw or undercooked beef from animals infected in the larval stage. Attaches to the intestinal mucosa of the upper small intestine. Sheds 10 proglottids a day that can release eggs as it moves. Differential lab test: stool sample: microscopy looking for gravid proglottids. Virulence factors: antigens can sometimes cause an allergic reaction. Treatment: praziquantel (increases permeability to ca++ ions, inducing contraction and paralysis of the worm). Essential facts: 5-12 weeks to mature into adulthood in the human intestine. Has a scolex (mouth) with suckers instead of hooks. When symptoms are present they include: abdominal pain and diarrhea. Pulmonary symptoms such as loefflers"s syndrome can occur with migration of larvae.
