Microbiology Lab Quiz #2 Study Guide Exercise 9 -- The Gram Stain Compare and contrast simple and differential staining techniques. Simple Staining Simple staining is useful in determining the basic morphology of an organism. Simple staining involves only one reagent i.e. crystal violet‚ basic fuchsin‚ or methylene blue. Simple dyes used to stain bacteria have a positive charge cationic (+)‚ therefore‚ they are attracted to the bacteria that are usually negatively charged anionic (-) Depends
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Micrococcus roseus Mouldy Aspergillus Penicillium Fresh fruits and vegetables Soft rot Rhizopus Erwinia Gray mold rot Botrytis Black mold rot A. niger Pickles‚ sauerkraut Film yeasts‚ pink yeasts Rhodotorula Fresh meat Putrefaction Alcaligenes Clostridium Proteus vulgaris Pseudomonas fluorescens Cured meat Mouldy Aspergillus Rhizopus Penicillium Souring Pseudomonas Micrococcus Greening‚ slime Lactobacillus Leuconostoc Fish Discoloration Pseudomonas Putrefaction Alcaligenes Flavobacterium
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processed meat product it characteristic flavor and color. Try to make tocino without prague powder. Drop me a comment‚ if you prove me wrong. It also function as preservative. A substance that kills spoilage bacteria‚ especially the dangerous Clostridium botulinum. Curing Salt has different formulations: Cure #1 — 6.25% Sodium nitrite: 93.75% Salt. For fresh and cooked sausages. Cure #2 — 6.25% Sodium nitrite: 4% Sodium nitrate and 89.75% Salt For dry-cured sausages. Tender Quick — 0.5% Sodium
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Tetanus is a medical condition characterized by a prolonged contraction of skeletal muscle fibers. The primary symptoms are caused by tetanospasmin‚ a neurotoxin produced by the Gram-positive‚ rod-shaped‚ obligate anaerobic bacterium Clostridium tetani. Clostridium tetani spores can be found most commonly in soil‚ dust and manure‚ but also exist virtually anywhere. If deposited in a wound the neurotoxin interferes with nerves that control muscle movement. The signs and symptoms of tetanus
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Clostridium difficile colitis‚ they say. A bunch of words that have absolutely no meaning to me. Three feet of his intestine will be taken out during surgery‚ they say. In three surgeries‚ to be exact. This will take place after he wakes up from his medically
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* Question 1 2 out of 2 points | | | Which sound is normal to elicit when percussing in the seventh right intercostal space at the midclavicular line over the liver?Answer | | | | | Selected Answer: | Dullness | Correct Answer: | Dullness | Response Feedback: | The liver is located in the right upper quadrant and would elicit a dull percussion note. | | | | | * Question 2 2 out of 2 points | | | Which structure is located in the left lower quadrant of
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NECROTIZING FASCIITIS Necrotizing fasciitis is commonly known as ‚ flesh eating bacteria (infection). Is a disease condition of rapidly spreading infection‚ usually located in fascial planes of connective tissue that results in tissue necrosis (dead and damaged tissue). The disease occurs infrequently‚ but it can occur in almost any area of the body. In many cases have been caused by Abeta-hemlytic streptococci (Streptococcus pyogenes)‚ and many different bacterial genera and species‚ either alone
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people Salmonellosis Causative agents: S. typhimurium‚ S. Montenideo Salmonella Typhi (Typhoid fever) BOTULISM Causative Agent: Clostridium Botulinum Exotoxins – Damages the nerves leading to paralysis Deadly subs- tance TUBERCULOSIS Causative agents: Mycobacterium tuberculosis Mycobacterium bovis TETANUS or LOCKJAW Etiologic Agent: Clostridium Tetani Exotoxins STAPHYLOCOCCAL Causative agent: Staphylococcal Most common cause of food poisoning Mode of transmission Common
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Infection Hand Hygiene Policy -Decontamination of Hands Decontamination of the Environment‚ Cleaning‚ Body Fluid Spillages‚ Laundry and Clinical Waste Standard Principles for the use of Personal Protective Equipment Infectious Diseases‚ A-Z including Clostridium difficile Meningitis‚ MRSA and TB Policies Surveillance Policy Isolation Policy Major Outbreak Policy/Management of Outbreaks Blood Borne Virus Policy (HIV‚ Hepatitis B and Hepatitis C) Safe Use and Disposal of Sharps Aseptic Technique‚ Invasive
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Results* All five patients had the presence of the same microorganism in their stool samples. Patient one has a normal urine sample along with patient 2‚ 3 and 4. Patient 5 urine ids hazy. Molecular Data Results* The culture results reveal clostridium‚
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