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Author Question: A patient with methicillin-resistant Staphylococcus aureus (MRSA) is no longer responding to the ... (Read 142 times)

sdfghj

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on: Jun 25, 2018
A patient with methicillin-resistant Staphylococcus aureus (MRSA) is no longer responding to the medication vancomycin (Vancocin). What medication might be indicated for this patient?
 
  1. penicillin
  2. gentamycin
  3. tetracycline
  4. linezolid

Question 2

A patient wants to know why he developed an infection after being cut on the leg with a piece of wood, but his friend who was also cut did not. How should the nurse explain this phenomenon?
 
  1. Maybe the wood that cut your friend wasn't dirty and infected.
  2. You must have an autoimmune disorder.
  3. The organism found you more susceptible to infection.
  4. Your friend will get an infection too. It will just develop later.


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ttt030911

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Reply #1 on: Jun 25, 2018
Answer to Question 1

Correct Answer: 4

Linezolid (Zyvox) is the first antibiotic in a class of antibiotics called oxazolidinones. This antibiotic inhibits protein synthesis and is effective against organisms that are resistant to both vancomycin and methicillin. Because of its usefulness against those organisms, its use should be reserved for infections caused by vancomycin-resistant enterococci (VRE) and MRSA. Penicillin, gentamycin, and tetracycline are not identified as medications to treat vancomycin-resistant Staphylococcus aureus.

Answer to Question 2

Correct Answer: 3

For a microorganism to cause infection, it must have disease-causing potential (virulence), be transmitted from its reservoir, and gain entry into a susceptible host. There is no evidence to indicate that the friend will develop an infection or that the wood was or was not contaminated. An autoimmune disorder would not cause an infection in this situation.


sdfghj

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Reply 2 on: Jun 25, 2018
Gracias!

triiciiaa

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Reply 3 on: Yesterday
Excellent

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