Section C You only need to answer one of the two questions f…

Section C You only need to answer one of the two questions from this section. One answer box will be beneath this box – please indicate which question you are answering:   Question 5 Explain three ways in which the complement system can be activated and how it can help combat pathogens (100%). Question 6 Compare the structure and function of human antibodies (100%).  

A 32-year-old woman is brought to the emergency department a…

A 32-year-old woman is brought to the emergency department after an episode witnessed by her partner. He reports that she suddenly stopped speaking, stared blankly for about 30 seconds, and repeatedly smacked her lips. She did not fall, there was no generalized shaking, and she had no loss of bladder control. Afterward, she was confused for several minutes and could not remember the event. Which type of seizure is most consistent with this presentation?

A 54-year-old man presents with a 5-day history of progressi…

A 54-year-old man presents with a 5-day history of progressive weakness that began in his feet and has ascended to his thighs. He reports tingling in his hands and difficulty climbing stairs. On exam, he has symmetric proximal and distal weakness in all extremities and absent patellar and Achilles reflexes. He had a gastrointestinal illness two weeks ago. Which diagnosis is most consistent with this presentation?