Vegetarian818

Exam (elaborations) VBS 2032 EXAM #3 QUESTIONS AND ANSWERS GRADED A Exam (elaborations) VBS Exam 4 Labs Questions and Answers Exam (elaborations) VBS 2032 EXAM 4 QUESTIONS AND ANSWERS 100% Exam (elaborations) Day 2 VBS Questions and Answers Graded A Exam (elaborations) VBS 2032 Exam 4 Questions and Answers Graded A Exam (elaborations)

VBS 2032 EXAM #3 QUESTIONS AND ANSWERS GRADED A+ microbial intoxication the toxin produced by a bacteria is ingested (rather than the bacteria itself) microbial infection the bacteria multiplies in the body 4 phases of infectious disease 1. incubation period 2. prodromal period (feel like something is off) 3. period of illness (symptomatic) 4. convalescent period (non-diseased or disability/death) virulence factors that help a pathogen spread through the body, evade t...

VBS Exam 4 Labs Questions and Answers What is the difference between PCR and RT-PCR? PCR is the diagnostic test with the highest sensitivity and specificity (DNA, primers that bind to sequence of interest, dNTPs, buffer, heat-stable DNA polymerase- Taq polymerase) RT-PCR is used when a sample contains RNA rather than DNA. Reverse transcriptase is isolated from a retrovirus and must first copy the RNA into DNA What is the difference between PCR and qPCR? qPCR=quantitative, involves S...

VBS 2032 EXAM 4 QUESTIONS AND ANSWERS 100% Blood agar plates can detect the presence of this virulence factor: hemolysin What is the key reason why there is no effective vaccine against Streptococcus pyogenes? the number of antigenic variants Septic shock is characterized by: -organ damage -activation of complement This is sometimes elevated in urine when Gram-negative bacteria infect the bladder. nitrite These two laboratory tests are used to detect different s...

Day 2 VBS Questions and Answers Graded A+ Sydney, you're back. And you look ready to do some diving... maybe? (speaking with mask on) you bet! All is need is a crew. and a boat, and some idea how to read my map through this mask. but I have my flippers and scuba tank! (removes mask) That's not a scuba tank - its an upside down soda bottle It'll have to do. That's what I have... and that treasure is wating! (awkwardly turns to leave) You can't just jump in the oc...

VBS 2032 Exam 4 Questions and Answers Graded A+ Why don't "normal" microbiota of the upper respiratory tract cause disease? 1. Competition 2. Immunity 3. Protective effect 4. Non-pathogenic strain 5. Wrong place steps in the pathogenesis of infectious diseases 1. Entry of the pathogen into the body 2. Attachment of the pathogen to some tissue(s) within the body 3. Multiplication of the pathogen 4. Invasion or spread of the pathogen 5. Evasion of host defenses 6. Damag...

VBS exam 3 questions and answers graded A+ Describe why most microorganisms do not cause disease. A lot of microbes cant lives in your body because of your immune system and body temp. What is the likelihood of developing an infection? What are the 3 factors? (number of microbes/infectious dose) (virulence of microbe) divided by: host immunity Acute infection infection that develops symptoms very fast and last a short time Chronic infection infection that develops sl...

VBS 2302 Exam 1 Week 1 Questions and Answers 100% Define ubiquity Found everywhere Why don't we know the extend of microbial diversity? Still need to learn with advanced technology and DNA sequencing 3 ways in which microbial activity is essential for life Nitrogen fixation Recycling O2 production Why aren't most microbes harmful? In order to cause disease, they must be able to grow at room temperature, avoid immune systems, and extract nutrients from tissues ...

VBS 2024.Thursday Questions and Answers *Intro music* *carrying a surfboard* Hey, Mr. Rocky! RANGER: Hello Sandy! How were the waves today? It was a perfect day for surfing. You couldn't ask for better waves! RANGER: Great! Hey! How did it go today with your friend that you have been teaching how to surf? Did you try to tell your friend what she was doing wrong, so she could get better? You'll never believe it! I took your advice to not be afraid and I decided to tell Ca...

VBS 2032.EXAM 1 QUESTIONS AND ANSWERS What does the term "ubiquity" mean? everywhere What are some surprising places microbes are found? oceans vegetables How can microbes travel? air skin to skin We do not yet know the extent of microbial diversity. Why not? Many microbes have yet to be discovered What are three ways in which microbial activity is essential for life on this planet? Nitrogen fixation, Recycling, O2 production Where are several pla...