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HESI Critical Care - Blogs Sample Questions

This medicine is used to treat Cytomegalovirus.

Correct Answer:
foscarnet


the question asks which medicine is used to treat cytomegalovirus (cmv), offering the choices of amantadine and foscarnet. the correct answer is foscarnet.

amantadine is an antiviral drug, but it is primarily used for the treatment of influenza type a. it operates by inhibiting the viral replication of the influenza a virus, thus helping to reduce the duration and severity of symptoms when administered early in the course of the infection. amantadine is also sometimes used in the treatment of parkinson's disease due to its dopaminergic and anticholinergic effects, but it does not have activity against cmv.

foscarnet, on the other hand, is an antiviral medication that is specifically used to treat infections with herpes viruses, including cytomegalovirus (cmv) in immunocompromised individuals, such as those with hiv or transplant recipients. unlike many other antivirals, foscarnet does not require activation by viral enzymes, making it particularly useful against viruses that might be resistant to other treatments. it works by directly inhibiting the viral dna polymerase, thereby preventing the virus from replicating its genetic material and spreading.

the other drugs listed in the explanation, such as ribavirin and acyclovir, also have specific uses against other viruses. ribavirin is most commonly used for the treatment of respiratory syncytial virus (rsv) and also has some application in treating hepatitis c, whereas acyclovir is primarily used for herpes simplex virus infections and varicella (chickenpox and shingles). however, neither of these drugs is effective against cmv, reinforcing that the correct answer to the question is indeed foscarnet.

in summary, while several antiviral medications are available for various viral infections, when it comes to treating cmv specifically, foscarnet is the appropriate choice among the options given.

Additional Blogs for HESI - Health Education Systems, Inc dfgdfgdfg

In your journey to get HESI Critical Care certified it is important for you to have all information related to your exam. So we have pulled together a list of additional blogs that may be of interest to you because that are all related to the Health Education Systems, Inc.

Exam Edge Blogs for HESI - Health Education Systems, Inc