Microbiolo Bios242-Micro-Final Studyguide

2 Multiple choice – 3pts each 5 Select all that apply – 4pts each 8 Fill in the blank – 3pts each 3 Short Answer/Essay – 10 pts each 1. Name the viral infection characterized by unusual oral lesions called Koplik’s spots followed by red maculopapular exanthema. Measles 2. What microbe causes stomach ulcers (gastric ulcers) Helicobacter pylori 3. What infectious class of organisms is known to be transmitted by pork and stimulates production of eosinophils? Helminthic 4. Which type of hypersensitivity involves only cell mediated immunity? Type IV. 5. Know examples of signs and symptoms Type 1- Anaphylactic, hives, wheal and erythema Type 2- asthma, rhinitis, dermatitis and Type 3-skin disposition vasculitic (skin), serum sickness (systemic), nephritis (kidneys) and extrinsic allergic alveolitis (lungs) Type 4- often called delayed type hypersensitivity as the reaction takes several days to develop. Many chronic infectious diseases, including tuberculosis and fungal infections, exhibit delayed hypersensitivity. 6. Define carrier of disease A person or organism infected with an infectious disease agent but displays no symptoms. Also known as Asymptomatic carrier. 7. Know the classes of immunoglobulins & their function IgG- Main blood antibody of secondary responses, neutralizes toxins, opsonization IgM-Main antibody of primary responses, best at fixing complement; the monomer form of IgM serves as the B cell receptor. IgA-Secreted into mucus, tears, saliva and colostrum IgE- Antibody of allergy and antiparasitic activity. IgD- B cell receptor 8. Which antibiotics work to inhibit synthesis of peptidoglycan in bacterial cell walls? Penicillins and cephalosporins 9. List all of the noncellular infectious agents  Viruses  Virions  Viroids 10.List the types of parasitic helminths  Roundworms  Pinworm  Trichina  Spiralis  Tapeworm  Fluke 11.List the methods of horizontal gene transfer  Transformation  Transduction  Bacterial conjugation 12.Does glycolysis occur in the absence of oxygen? Is pyruvic acid, CO2 & H2O end products of glycolysis? Does glycolysis occur during fermentation? Does glycolysis reduce NAD?