11:10 PM Fri . . . . . . 16% ED 2 :mo.brightspace.com = C + coursehero.com = + B E Home - MyCen... x 5_1Viruses, Im... B ucmo.brightsp... Chat Thread X Chat Thread Course Hero - Copyright Policy + Ask new 5_1Viruses, Immunity and Vaccines X A pathogen is any microorganism (such as a virus, bacterium, fungus, or 0:02:10 elapsed parasite) that can cause disease. Not all bacteria cause disease, and while allergens and antigens can trigger immune responses, only pathogens specifically denote infectious agents that cause disease. Question 6 (0.25 points) Question 5: The physical barrier of the skin and the mucus produced by the epithelial cells lining body How many HLA haplotypes does each human have? cavities . A) three O comprise the innate immune system B) five facilitate the production of antibodies . C) one . D) four C protect the body from infection by pathogens . E) two O release histamines Correct Answer: two O activate the complement system Explanation: Each person inherits one HLA haplotype from their mother and one from Question 7 (0.25 points) their father, so each human has two HLA haplotypes. Juvenile diabetes (or insulin-dependent diabetes) results when insulin-producing cells in Let me know if you need help with Question 6 or more explanations! the pancreas are destroyed by the patient's own immune system. True Ask Al your follow up question. Do not enter personal O information. Question 8 (0.25 points) Image Document Most of the organisms that normally inhabit our skin help defend us against infection