Mbi 111 exam - Study guides, Class notes & Summaries

MBI 111 Exam 3 (Miami University) Exam Questions With Correct Answers Diseases caused by Streptococcus Pyogenes - answerStrep Throat Rheumatic Fever Glomerulonephritis Erysipelas Impetigo Septicemia Puerperal Sepsis Necrotizing Fasciitis Pneumonia Immunization and Treatment for Pneumonia - answerVaccine based on polysaccharide. Protects against 90% of infections Treated with antibiotics Immunization and Treatment for Tuberculosis - answerBCG Vaccine ©SIRJOEL EXAM SOLUTIONS 12/3/...

Colonization Answer an attachment to and replication in/on a host Infection Answer a colonization of the body leading to damage Disease Answer any deviation from health -not all disease is due to infection -infection does not always cause disease Symptoms Answer subjective evidence of disease (pain, headache) Signs Answer objective evidence of disease (rash, fever) Why do microbes cause disease? Answer -Pathogens evolved to cause human disease -Disease symptoms develop equilib...

Compare and contrast the diseases caused by Streptococcus pyogenes with respect to symptoms, exotoxin production, and immunological complications. Answer Similar: fever Different: - Strep & Scarlet Fever- swollen lymph nodes, red tissue, pus - Rheumatic Fever- Inflammation of vessels, joint pain - Glomerulonephritis- permanent kidney damage - Necrotizing Fasciitis- red, warm, swollen skin, pain - Pneumonia- sharp chest pain, difficulty breathing -> otis media Exotoxin Productio...

Syphilis agent Answer spirochete not seen in gram stain, only seen by dark field microscopy Other names for Syphilis Answer "the great pox", "the great imitator", venereal leprosy, (insert any country name) disease syphilis transmission Answer mostly sexual contact (10-30% transmission rate) penetrates skin surface through mucous membrane, wound, abrasion, or hair follicle syphilis incubation Answer 3 weeks primary syphilis symptoms Answer chancre- painless ulcer, extremely infe...

Natural active immunity Answer -Antigens enter the body through infection -Active: Infected person's immune system responds -Provides long-term protection -Years to life-long due to memory B & T cells natural passive immunity Answer -Antibodies made by the mother's immune system -Are transferred from mother to fetus via placenta (IgG) or are transferred from mother to infant via breast milk (IgA) -Passive: Fetal/infant immune system is not involved -Provides short-term protection, wee...

MBI 111- EXAM 2 MATERIAL QUESTIONS WITH VERIFIED ANSWERS { GRADED A+} what is a non-specific (innante) defense? - they're effective against a wide variety of invading microbes; not targeted against a specific invading microbe why are non-specific defenses referred to as innate? - they are already present in a baby at birth rather than being acquired one-byone over a lifetime starting at birth what are non-specific first line defenses? - physical barriers, chemical barriers, and...

MBI- 111 TOPIC 9 EXAM 3 MATERIAL QUESTIONS WITH COMPLETE ANSWERS { GRADED A+} what are the contributing factors of acne? - skin types that are prone to trap skin oil (sebum) and dead cells, excessive keratinization of the skin, and male hormones when does acne begin? - when pores are blocked by excessive skin oil and dead cells what is the bacterial agent of acne? - Propionibacterium acnes

MBI 111- FINAL EXAM TOPIC 13 QUESTIONS WITH VERIFIED ANSWERS { GRADED A+} what is meningitis? - inflammation of the meninges what causes meningitis? - bacterial, viruses, fungi, and certain chemicals what type of meningitis is life threatening? - bacterial what type of meningitis is a milder disease? - viral

MBI 111 TOPIC 12- FINAL EXAM QUESTIONS WITH 100% CORRECT ANSWERS { GRADED A+} what are examples of protozoan diseases? - malaria, toxoplasmosis, cryptosporidiosis, and trichomoniasis what is the bacterial agent of malaria? - there are 5 species of Plasmodium what is the vector of malaria? - female anopheles mosquito, not only do they transmit the disease but they also are a required host where has malaria been eliminated? - wealthy countries located in temperate climates

MBI 111- TOPIC 14 FINAL EXAM WITH COMPLETE QUESTIONS AND 100% CORRECT ANSWERS { GRADED A+} what is the bacterial agent for gastric ulcer disease? - Helicobacter pylori where does H pylori live? - harsh environment of the stomach how does H pylori get in stomach? - 1. the flagella push the H pylori cells through thick mucus that protects stomach lining from stomach acid 2. H pylori colonizes mucous membranes that lines stomach 3. the H pylori produce substance that neutralizes stom...