Cathelicidins - Study guides, Class notes & Summaries

Human defense mechanisms work to? - protect from injury and infection What is the first line of defense - physical and mechanical barriers-epithelial cells tightly associated in: skin, mucous membrane, lining of the respiratory tract, GI tract, low temperature on body surface. Biochemical barriers are where on the body? - the skin. The skin does what as a biochemical barrier? - produces lactic acid in sebaceous glands. And perspires, it contains lysosomes that attack cell walls (+) gram...

IMM250 Midterm Exam Questions with 100% Correct Answers What is the difference between prebiotics and probiotics? - Answer- Probiotics are live bacterial cultures that have beneficial effects on health (unproven) Prebioticsare food for probiotics - non digestible carbs that provide energy source for bacteria What are the harmful effects of gut bacteria? - Answer- Too much- ie appendix bursting causes peritonitis which can be very severe. In the wrong area - ie UTI Microbiota and Obesit...

NU 545 CH 7 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ Cathelicidins Family of antimicrobial peptides that in humans has one member. Defensins antimicrobial peptides that inhibit microbial growth Mannose-binding lectin (MBL) soluble acute-phase protein in the blood that binds to mannose residues on pathogen surfaces and, when bound, activates the complement system by the lectin pathway Resistin-like molecule beta Found in intestinal goblet cells, where it appears to pr...

NU545 CHAPTER 7 EXAM QUESTIONS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE Types of immunity - Innate resistance: Natural barriers and the inflammatory response - Adaptive (acquired) immunity Lines of defense - First line: Natural barriers: physical, mechanical and biochemical - Second line: Inflammation - Third line: Adaptive (acquired) immunity First line of defense: Physical and mechanical barriers - Skin and low temp/pH of skin - Linings of the gastrointestinal, genitourinary,...

what are 4 routes of entry that microorganisms can take to cause disease 1. through the skin 2. through the GI tract 3. through the lungs (inhalation) 4. through the urinary system the skin has a __________ epidermis keratinized, providing protection from microorganisms what are 3 substances on the skin that protect us from microorganisms 1. defensins 2. cathelicidins 3. fatty acids what are cathelicidins they are antimicrobial peptides of the GI tract, stomach ___________ protect us from in...

NUR 521 IMMUNITY ALL ANSWERS CORRECT first line: innate/physical, mechanical second line: inflammation third: adaptive (acquired) specific what's the difference between the first, second & third immunity? increased capillary permeability what causes the edema that occurs during the inflammatory process? physical immunity physically bars pathogens from entering the body -skin sloughing off with dead cells, GI, GU and respiratory lining, mucus and cilia trap microorganisms -expe...

NU 545 CH 7 Exam With Complete Solution Latest Update...

NU 545 ch 7 Exam Questions With Correct Answers Cathelicidins - answerFamily of antimicrobial peptides that in humans has one member. Defensins - answerantimicrobial peptides that inhibit microbial growth Mannose-binding lectin (MBL) - answersoluble acute-phase protein in the blood that binds to mannose residues on pathogen surfaces and, when bound, activates the complement system by the lectin pathway Resistin-like molecule beta - answerFound in intestinal goblet cells, where it appears ...

BIOL 5500 FINAL EXAM QUESTIONS AND ANSWERS bacteria extracellular or intracellular prokaryotic viruses intracellular fungi and parasites eukaryotic extracellular antimicrobial enzyme that degraded peptidoglycan of bacterial cell walls lysozyme defensins and cathelicidins amp that must be cleaved for activity calprotectins metal binding amps that sequester Mg2+ and Fe2+ histatins amps rich in histadine present in oral cavity anti-fungal pluripotent multipotent all most ...

HCR 240 Module 4 Exam Questions With Verified Answers. Innate immunity - answer(natural or native) includes natural barriers (physical, mechanical, biochemical) and inflammation 3 categories of physical and mechanical barriers - answerTight junctions between epithelial cells—The epithelial cells of the skin and mucous membranes are held tightly together and can prevent many organisms from passing through them and into the body. Mechanical clearance—Pathogens may be sloughed off with d...