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Hello! I am currently working on an assessment to do with bacteria. I have petri dishes that I have swabbed for bacteria which in result gave me colonies that are countable/visible. However, I have to write down collective data from my results but I have no idea how. The conclusion of my assessment is to see which items has the most bacterial growth but it is hard to calculate this. Do I use some kind of t test? Some formula to do with numbers? I have no materials to measure the bacteria either since the pandemic prevents me from really getting anything from school.
Device-associated infections such as using central venous catheters, endotracheal tubes and urinary catheters are very common in healthcare settings. Can you think of two other activities that occur in hospitals that might be likely to lead to new infections?
explain effectiveness and efficiency of the specific and non-specific defences.
In the histologic specimen of loose irregular fibrous connective tissue stained with methyl blue pyronin one can see that some cells contain pyroninophilic cytoplasm, and close to the nucleus in each of the cells there is clearing? What do we call those cells? What function does it perform?
Jessica was in the hospital for an extended period with a severe respiratory infection. During that period she received multiple IM injections and was discharged with orders to continue the injections daily until the doctor advised her to discontinue them. The nursing staff had been injecting the medication into the gluteal area, but this area was becoming sore from all of the prior injections. What options might she use for the future to avoid pain in the area of the injections?
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- Create a “formula” for the process you used above, such that you’d be able to determine the field of view for a lens of any magnification if you knew the field of view of another lens magnification on the same microscope.
- Using your answers from the previous two questions, estimate the size -- in microns -- of an organism if it covered one-third of the field of view at 100X total magnification. Show your work/process.
- Create a “formula” for the process you used above, such that you’d be able to determine the field of view for a lens of any magnification if you knew the field of view of another lens magnification on the same microscope.
- Using your answers from the previous two questions, estimate the size -- in microns -- of an organism if it covered one-third of the field of view at 100X total magnification. Show your work/process.
Using a peer reviewed journal source, find a current microbiology topic and post a two paragraph review that includes a question to be discussed by your classmates. Please include a link to the journal article.
Our imaginary UR Critters include Herbimonas wegerii, Marsulphromonas davisius and Adphytus melhartii. Which one(s) have photosynthetic pigments / cilia (flagella) / "eye spots?"
- Use the four "observation type" examples listed above to describe the UR Critters.
- Which UR Critter(s) might be able to detect light? Why do you think this?
- Which UR Critter(s) might be able to move? Why do you think this?
A good place to start when making observations of both microscopic and macroscopic organisms is:
- size (measure this),
- general cell/body shape,
- color and texture and,
- interesting or unique features
The world is currently experiencing one of the most devastating pandemic in modern history. This pandemic is caused by a virus known as corona virus and the disease is referred to as COVID-19. A lot of conspiracy theories and speculations have since emerged and are being spread everywhere. Identify some of the major conspiracy theories and false information regards COVID-19 and argue scientifically why such information is not correct.
