Biofilms - Study guides, Revision notes & Summaries

Test Bank for Modern Dental Assisting, 13th Edition, Doni Bird, Debbie Robinson Acute chemical toxicity results from high levels of exposure over a short period. The victim feels the effects immediately and may show symptoms of dizziness, fainting, headache, nausea, or vomiting. A chronic chemical toxicity involves repeated exposures over a long period. Chemical resistance refers to a material that prevents the hazardous chemical from being in contact w...

diplococci - Answer-resembles berries, remains in pairs after dividing, divide on one plane streptococci - Answer-resembles berries, divide and remain in chains (don't separate) tetrads - Answer-remain in groups of 4, divide in 2 planes sarcinae - Answer-divide in 3 planes and remain in cubelike clusters of 8 staphylcocci - Answer-divide in multiple planes and form grapelike clusters single bacillus - Answer-single rod diplobacilli - Answer-a double bacillus, two being linked end to end t...

Helicobacter pylori is a bacterium found in the stomachs of roughly half of the human population. It is considered to be a pathogen because: a. when present, it accounts for the vast majority of stomach microbial biomass b. it is the only bacterium found in the human stomach c. it can cause chronic inflammation d. it is found in the stomach mucosa rather than the lumen Ans: c. it can cause chronic inflammation The colon has been described as a living fermentation vessel. Which type of cu...

MIP 300 Study Guide Questions and Answers Test External function - Answer--Attachment to surfaces -Protection from environment or phage -Horizontal gene transfer -Movement Polysaccharide layers - Answer--Sugars -Capsule -Slime Layer -Glycocalyx Capsule - Answer-well organized layer, not easily removed -Protects against dehydration -Protects against phagocytosis -Allows them to Phagocytosis - Answer-Cell eating - w/o capule cell compliments bind to cell and mark it for dest...

Chemical trade names are also called ___________ names. - Proprietary Bacteria whose overall shape is spherical or nearly spherical are referred to as _____. - Cocci Lower-power microscopes designed for observing fairly large objects such as insects or worms are - Stereomicroscopes The tool of choice to observe living microorganisms is the - Phase-contrast microscope Which scientist is most responsible for ending the controversy about spontaneous generation? - Louis Pasteur Fossils of pro...

WND580 - MODULE 1: EXAM REVIEW QUESTIONS AND ANSWERS, GRADED A+ What framework do we use to provide an optimal physiologic wound environment? - -TIMERS What does TIMERS stand for - -T - tissue management I - inflammation/infection control M - moisture balance E - edge advancement/epithelialization R - repair/regeneration S - social factors What are the 3 principles of wound healing? - -1. Identify/control the cause 2. Support the host 3. optimize a physiologic wound environment How ...

Microbiology for Healthcare Professionals Midterm Exam (Ch.1-17) || Questions & Answers (Rated A+) Microbiology for Healthcare Professionals Midterm Exam (Ch.1-17) || Questions & Answers (Rated A+) One type of microscope that provides a three-dimensional image of a specimen is a: a. Phase- contrast microscope b. Transmission electron microscope c. Bright- field microscope d. Scanning electron microscope - ANSWER - d. Scanning electron microscope One type of microscope capable of o...

What is a Transforming Infection? Virus that alters cell DNA, leading to cancer What is a lysogenic infection? Phage DNA is incorporated into host genome and is passed on to subsequent generations What is a Lytic Bacteriophage Infection? Host cell gets so packed with viruses that is lyses (splits) open and releases mature virions What are the three principle purposes of cultivating viruses? 1.) Isolate and ID viruses in clinical specimens 2.) Prepare viruses for vaccine...

TIMERS - ANSWERTissue management Inflammation/infection control Moisture balance Edge/epithelial advancement Regeneration/repair of tissue Social/patient related factors Framework used to provide an optimal physiologic wound environment that is conducive to healing - ANSWERTIMERS Goal of tissue management - ANSWERto remove non-viable, necrotic tissue as well as non-functional tissue such as hypergranulation goal of inflammation or infection control - ANSWEReliminate infec...

GMS 6121 Exam 3 Quizzes with 100% Correctly Solved Which of the following are NOT accurately described structural relationships of bacteria? a) gram positive: thick peptidoglycan and teichoic acid b) gram negative: outer membrane and LPS c) acid-fast: waxes and lipids d) wall-less: LOS and cholesterol Answer-d) wall-less do have cholesterol from the host but do not have LOS/LPS Why are gram negative bacteria resistant to bacitracin and vancomycin? a) porins b) they lack the targets for...