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Biology Case Study Help

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Case study:

Peter Smith, a 19-year-old university student, was suffering from influenza and visited his local GP. He said he began to feel unwell two days earlier and his condition had worsened since, with an acute onset of a sore throat (pharyngitis).

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On examination the following observations were made:

  • Fever of 38.9’ C
  • Runny nose
  • Sneezing
  • Enlarged anterior cervical lymph nodes (lymphadenopathy)

In addition, peter also complained of:

  • Aching joints
  • Feeling tired
  • Headache

Peter’s throat was observed to have the following signs and symptoms:

  • Redness
  • Swollen
  • Having a patchy covering of yellow- white exudate over his tonsils.

The doctor prescribed phenoxymethylpenicillin 500mg twice per day for ten days.

Using the supplied template answer the following questions:

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Q1. Explain how Peter’s fever developed and state, with explanation, two benefits of fever. (Total: 5 marks)

Q2. Given that influenza is caused by a virus, why was Peter prescribed an antibiotic? The doctor prescribed phenoxymethylpenicillin. Discuss the mode of action of phenoxymethylpenicillin. Explain why antibiotics are not effective against viruses. (Total: 10 marks).

Q3. Describe 2 possible ways that Peter could have contracted the influenza virus (modes of transmission). Identify 2 ways by which the modes of transmission could be broken. (Total 5 marks)

Q4. Describe the physiological basis of †he three signs and symptoms of Peter’s throat. Relate your response to this case study. (Total 10 marks)

 Q5. Compare and contrast the processes by which viruses and bacteria replicate (Total: 5 marks)

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The following 8 resources MUST be used and cited in this case study. Additional resources may be also used.

Marking Criteria

Criteria 1: fever development and benefits

Presents an accurate and clear scientific description of fever and how it develops. States 2 benefits of fever with succinct and precise explanation.

Criteria 2: prescription, mode of action and effectiveness of phenoxymethylpenicillin

Identifies and explains clearly and precisely the reason why an antibiotic was prescribed. Presents a succinct and precise description of the mechanism action of phenoxymethylpenicillin. Explains with clear and accurate scientific reasoning why antibiotics are ineffective against viruses

Use all relevant prescribed literature appropriately to support the explanation

Criteria 3: spreading of influenza and breaking its mode of transmission Precisely identifies 2 modes of transmission and presents a clear, succinct and precise explanation of how these modes can be broken.Use all relevant prescribed literature appropriately to support the explanation

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Criteria 4: physiological basis of signs and symptoms Presents a clear, precise and succinct identification and discussion of the physiological basis of the 3 signs and symptoms.

Relates all the information to the case study.

Use all relevant prescribed literature appropriately to support the explanation

Criteria 5: Presents a clear, precise and succinct description and comparison of viral and bacterial replication processes using scientific explanation. Use all relevant prescribed literature appropriately to support the explanation

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Criteria 6: academic style and referencing consistent writing style that communicates ideas coherently using correct sentence structure, grammatical construction, spelling and punctuation. Referencing is consistent, thorough and well used to support all claims, and all references, consistently following APA 6th Ed. Style. Uses all the 8 references provided and accurately presents these citations in a reference list.

 Please CHAT WITH LIVE Assignment Advisor to know more about Referencing styles and Citations.


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