Homework Answers
HA-MRSA genome contains a plasmid and transposon which encode resistance to many antibiotics. CA -MRSA is more virulent because genes encode on mobile genetic elements;multiple MGEs contribute to virulence by conferring antibiotic resistance. The core genome is similar among all strains. Both CA-MRSA and HA-MRSA are resistant to traditional anti-staphylococcal beta-lactem antibiotics such as Cephalaxein. CA -MRSA has a greater spectrum of antimicrobial susceptibility, including to sulpha drugs, tetracyclines and clindamycin, but the drug of choice for treating CA-MRSA is Vancomycin. Vancomycin must be administered in a dilute solution slowly, over atleast 60 minutes. It must be given intravenously for systemic therapy, since it does not cross through the intestinal lining. It is a large hydrophylic molecule that partitions poorly across the GI mucosa.
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Hnes are goherally esstant fo many choes o antiaherdbics while CA-MRSA ndetions e usual HA-MRSA infections...
A new vaccine was tested to see if it could prevent the ear infections that many...
A new vaccine was tested to see if it could prevent the ear infections that many infants suffer from Babies about a year old were randomly divided into two groups. One group received vaccinations, and the other did not. The following year, only 374 of 2457 vaccinated children had ear infections, compared to 457 of 2452 unvaccinated children. A positive 99.9% confidence interval for the difference in the rates of ear infection was used to examine the effectiveness of a...
c. With infections of E. coliO157:H7, people begin to show symptoms days to weeks after eating...
c. With infections of E. coliO157:H7, people begin to show symptoms days to weeks after eating contaminated food, while in cases of food contaminated with botulism or Staphylococcus, symptoms begin within a few hours. Why is this? d. Botulism is commonly associated with potatoes, garlic, and carrots. Why do you think this is? e. Fermentation processes using microbes like yeast and bacteria have been utilized for millennia as a way to preserve food. What are some of the products produced...
3. The pCMV-Ha vector and the DDX3 insert were cut with both EcoR1 and Sali, and...
3. The pCMV-Ha vector and the DDX3 insert were cut with both EcoR1 and Sali, and then purified. Why do you think we chose to cut with two different restriction enzymes, rather than just one (e.g. only EcoR1)? (7 points)
A new vaccine was tested to see if it could prevent the ear infections that many...
A new vaccine was tested to see if it could prevent the ear infections that many infants suffer from. Babies about a year old were randomly divided into two groups. One group received vaccinations, and the other did not. The following year, only 334 of 2458 vaccinated children had ear infections, compared to 501 of 2451 unvaccinated children. Complete parts a) through c) below. a) Are the conditions for inference satisfied? O A. No. It was not a random sample....
Question: Your answer is currently being processed. Your answer has been flagged as copyright infringement. Please...
Question: Your answer is currently being processed. Your answer has been flagged as copyright infringement. Please review our honor code and submit a new answer. Your answer has been flagged as plagiarism. Please review our honor code and submit a new answer. Your explanation contains the question text. Since the question has been closed or cancelled, it is unavailable for revision. View Full Description Hide Full Description Week 4 Antibiotic Resistance Initial post due on or before Wednesday Two Reply...
Question: Your answer is currently being processed. Your answer has been flagged as copyright infringement. Please...
Question: Your answer is currently being processed. Your answer has been flagged as copyright infringement. Please review our honor code and submit a new answer. Your answer has been flagged as plagiarism. Please review our honor code and submit a new answer. Your explanation contains the question text. Since the question has been closed or cancelled, it is unavailable for revision. View Full Description Hide Full Description Week 4 Antibiotic Resistance Initial post due on or before Wednesday Two Reply...
QUESTION 19 Why is it very difficult to fight viral infections? O A virus is not...
QUESTION 19 Why is it very difficult to fight viral infections? O A virus is not alive and therefore impossible to kill. It is hard to destroy a virus without damaging the host. The cell wall of a virus is too thick to penetrate. The RNA and DNA of a virus is too different. O A and B QUESTION 20 Which is better for you: a drug that is a natural product or one that is synthetic? Whether a drug...
Discussion Question #3: While many people think of health care industry as "clean," medical providers continue to a...
Discussion Question #3: While many people think of health care industry as "clean," medical providers continue to accidentally contract diseases form incidents in the workplace. For example, Sheila, an emergency room nurse with 15 year's experience, has just finished drawing blood from a patent when she disposed of the needle in the sharps container and felt a prick through her glove from a used needle that was hung up in the drop-down container lid. Several months later, Sheila learned that...
Do you support the use of unions in workplaces? While there are many benefits to having...
Do you support the use of unions in workplaces? While there are many benefits to having them, it also creates problems, as was discussed in class where students may not be able to graduate. One instructor I had talked about working for Canada Post and was only allowed to complete two bags of mail in an hour, when it only took him 15 minutes to complete and thus had nothing to do for the remaining time, which is a clear...
Many runners believe that listening to music while running enhances their performance. The authors of a...
Many runners believe that listening to music while running enhances their performance. The authors of a paper wondered if this is true for experienced runners. They recorded time to exhaustion for 11 triathletes while running on a treadmill at a speed determined to be near their peak running velocity. The time to exhaustion was recorded for each participant on two different days. On one day, each participant ran while listening to music that the runner selected as motivational. On a...
A new vaccine was tested to see if it could prevent the ear infections that many infants suffer from Babies about a year old were randomly divided into two groups. One group received vaccinations, and the other did not. The following year, only 374 of 2457 vaccinated children had ear infections, compared to 457 of 2452 unvaccinated children. A positive 99.9% confidence interval for the difference in the rates of ear infection was used to examine the effectiveness of a...
c. With infections of E. coliO157:H7, people begin to show symptoms days to weeks after eating contaminated food, while in cases of food contaminated with botulism or Staphylococcus, symptoms begin within a few hours. Why is this? d. Botulism is commonly associated with potatoes, garlic, and carrots. Why do you think this is? e. Fermentation processes using microbes like yeast and bacteria have been utilized for millennia as a way to preserve food. What are some of the products produced...
3. The pCMV-Ha vector and the DDX3 insert were cut with both EcoR1 and Sali, and then purified. Why do you think we chose to cut with two different restriction enzymes, rather than just one (e.g. only EcoR1)? (7 points)
A new vaccine was tested to see if it could prevent the ear infections that many infants suffer from. Babies about a year old were randomly divided into two groups. One group received vaccinations, and the other did not. The following year, only 334 of 2458 vaccinated children had ear infections, compared to 501 of 2451 unvaccinated children. Complete parts a) through c) below. a) Are the conditions for inference satisfied? O A. No. It was not a random sample....
QUESTION 19 Why is it very difficult to fight viral infections? O A virus is not alive and therefore impossible to kill. It is hard to destroy a virus without damaging the host. The cell wall of a virus is too thick to penetrate. The RNA and DNA of a virus is too different. O A and B QUESTION 20 Which is better for you: a drug that is a natural product or one that is synthetic? Whether a drug...
Discussion Question #3: While many people think of health care industry as "clean," medical providers continue to accidentally contract diseases form incidents in the workplace. For example, Sheila, an emergency room nurse with 15 year's experience, has just finished drawing blood from a patent when she disposed of the needle in the sharps container and felt a prick through her glove from a used needle that was hung up in the drop-down container lid. Several months later, Sheila learned that...
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