Mbi 111 - Study guides, Class notes & Summaries

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...

Scientists involved in ____________ study the complex interactions of protective substances and cells produced in response to microbial infection. correct answers Immunology The intentional use of microbes to break down pollutants, garbage, etc. is called correct answers Bioremediation The relationship between a microbe and the host where both organisms benefit is called correct answers Mutualism Which of the following infectious diseases rank in the worldwide top 10 causes of death? co...

bacteria and archaea correct answers single celled prokaryotes; DNA found in the cytoplasm; lack membrane organelles, no nucleus coccus correct answers spherical bacteria bacillus correct answers rod shaped bacteria vibrio correct answers comma shaped bacteria spirrilum correct answers loosely coiled bacteria spirochete correct answers tightly coiled bacteria cell envelope correct answers cell membrane and cell wall = cell membrane correct answers selectively permeable barri...

An Infectious Dose correct answers the minimum number of microbial cells required to cause an infection Intoxication correct answers poisoning that results from the introduction of a toxin into body tissue through ingestion or infection Respiratory Pathogens can exit the body most effectively by correct answers sneezing and coughing Exotoxins correct answers -proteins that bind to specific receptors on their target cells *have effects on a specific cell type* effect host cells by: -c...

Which term is used to describe the process when a virus is engulfed by a cell in a vacuole or vesicle? correct answers Endocytosis How many viruses in the human body are pathogenic correct answers a few At minimum, all viruses are composed of correct answers proteins and nucleic acids Which term describes a nonliving microscopic agent? correct answers infectious particle How were viruses discovered correct answers using a filter The two principal processes by which viruses penetra...

Urinary Tract Infections (UTIs) Answer Bacterial Agent: E. coli (most commonly) Cystitis occurs when bacteria find their way up the urethra and travel to the bladder Symptoms: Frequent urge to urinate, painful urination, feeling the bladder is not empty after urination, pelvic pain, nausea, fever, orange or cloudy urination --women affected more than men --untreated cystitis can progress to pyelonephritis if bacteria travels to kidneys Treatment: antibiotics (sometimes resistant) Preventio...

Syphilis - Primary Stage Answer Chancre Painless Circular, Purple Ulcer EXTREMELY INFECTIOUS Develops at site of infection lasts 2-6 weeks Secondary Syphilis Answer Occurs 3-4 months after primary infection fever, swollen lymph nodes Extremely infectious rash Damage to liver, spleen, nervous system, even death Resolves in 2-6 weeks Tertiary syphilis Answer Many Forms - skin, cardiovascular, nervous system Gumma formation and tissue destruction Gonorrhea Females Answer Fallopian...

MBI 111 Exam 3 (Miami University) questions with correct answers

Syphilis - Primary Stage correct answers Chancre Painless Circular, Purple Ulcer EXTREMELY INFECTIOUS Develops at site of infection lasts 2-6 weeks Secondary Syphilis correct answers Occurs 3-4 months after primary infection fever, swollen lymph nodes Extremely infectious rash Damage to liver, spleen, nervous system, even death Resolves in 2-6 weeks Tertiary syphilis correct answers Many Forms - skin, cardiovascular, nervous system Gumma formation and tissue destruction Gonorrh...

Diseases caused by Streptococcus Pyogenes correct answers Strep Throat Rheumatic Fever Glomerulonephritis Erysipelas Impetigo Septicemia Puerperal Sepsis Necrotizing Fasciitis Pneumonia Immunization and Treatment for Pneumonia correct answers Vaccine based on polysaccharide. Protects against 90% of infections Treated with antibiotics Immunization and Treatment for Tuberculosis correct answers BCG Vaccine Antibiotics for 6-9 months DOTS What conditions may lead a person to dev...