Mr. Thomas, who is receiving oral penicillin, reports that he has a sore mouth. On inspection, the nurse notes bright red oral mucous membranes with some white patches. The primary care provider is notified immediately because these symptoms may be caused by:

a Vitamin C deficiency

dehydration

poor oral hygiene

a superinfection

Answer and Explanation

The Correct Answer is D

A. A Vitamin C deficiency:

While a Vitamin C deficiency can lead to oral health issues such as bleeding gums or scurvy, it is less likely to present with bright red oral mucous membranes and white patches. Vitamin C deficiency typically manifests with other symptoms such as fatigue, weakness, and joint pain.

B. Dehydration:

Dehydration can cause dry mouth and oral discomfort, but it is less likely to present with bright red oral mucous membranes and white patches. Dehydration may also result in a dry, sticky feeling in the mouth rather than soreness with white patches.

C. Poor oral hygiene:

Poor oral hygiene can lead to various oral health problems, including gingivitis and dental caries, but it is less likely to cause bright red oral mucous membranes with white patches. Poor oral hygiene typically results in plaque accumulation, gum inflammation, and dental decay rather than the specific symptoms described.

D. A superinfection:

This is the correct option. A superinfection occurs when opportunistic microorganisms, such as fungi or resistant bacteria, proliferate and cause infection following antibiotic therapy. Penicillin, like other antibiotics, can disrupt the normal balance of microorganisms in the mouth, allowing opportunistic pathogens to flourish and lead to conditions such as oral thrush (caused by Candida albicans) or oral candidiasis. The presence of bright red oral mucous membranes with white patches suggests the possibility of a superinfection, which warrants immediate attention from the primary care provider for further evaluation and management.

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Correct Answer is D

Explanation

A. Doxycycline:

Doxycycline is a tetracycline antibiotic that is effective against anthrax. It is commonly used for post-exposure prophylaxis and treatment of anthrax infections.

B. Penicillin:

Penicillin is not typically the first-line antibiotic for treating anthrax. While some strains of Bacillus anthracis may be susceptible to penicillin, other antibiotics like doxycycline or ciprofloxacin are preferred due to their broader spectrum of activity and better penetration into tissues.

C. Oxytetracycline (Terramycin):

Oxytetracycline is another tetracycline antibiotic similar to doxycycline. Like doxycycline, oxytetracycline is effective against anthrax and can be used for post-exposure prophylaxis and treatment of anthrax infections.

D. Ciprofloxacin:

Ciprofloxacin is a fluoroquinolone antibiotic that is effective against anthrax. It is commonly used as an alternative to doxycycline for post-exposure prophylaxis and treatment of anthrax infections, particularly for individuals who cannot tolerate tetracyclines.

A. Keep the serum drug level within the therapeutic margin B. increase the therapeutic effect of the drug by gradually decreasing the drug dose C. Provide maximum physical comfort to the patient D. Treat the main disorder with no psychological distress to the patient

Correct Answer is A

Explanation

A. Keep the serum drug level within the therapeutic margin:

This is the correct goal of monitoring peak and trough levels during antibacterial therapy. The therapeutic margin refers to the range of drug concentrations in the bloodstream that achieves optimal therapeutic effects while avoiding toxicity. By monitoring peak and trough levels, healthcare providers can adjust the dosing regimen to maintain drug levels within this therapeutic margin.

B. Increase the therapeutic effect of the drug by gradually decreasing the drug dose:

This statement is incorrect. Monitoring peak and trough levels is not about increasing the therapeutic effect of the drug by gradually decreasing the drug dose. Instead, it's about ensuring that the drug levels are maintained within the appropriate therapeutic range to achieve optimal efficacy without causing adverse effects.

C. Provide maximum physical comfort to the patient:

Monitoring peak and trough levels is not primarily aimed at providing physical comfort to the patient. While optimizing drug therapy can contribute to improved clinical outcomes and patient well-being, the goal of monitoring these levels is specifically related to achieving therapeutic drug concentrations.

D. Treat the main disorder with no psychological distress to the patient:

This statement is unrelated to the goal of monitoring peak and trough levels during antibacterial therapy. While psychological distress may be a consideration in patient care, the primary goal of monitoring drug levels is to ensure therapeutic efficacy and safety.

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Mr. Thomas, who is receiving oral penicillin, reports that he has a sore mouth. On inspection, the nurse notes bright red oral mucous membranes with some white patches. The primary care provider is notified immediately because these symptoms may be caused by:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client enters the emergency department with suspected exposure to anthrax. The physician confirms this suspicion and orders the client an antibiotic. Which medication would the nurse expect the physician to order?

Correct Answer is D

Explanation

Which of the following is the goal of monitoring peak and trough levels during antibacterial therapy?

Correct Answer is A

Explanation

The nurse understands that CAM therapies have common characteristics, such as which of the following? (Select All that Apply)

Mr. Carter has been recently started on an antibiotic, and has developed a rash and pruritis. You suspect an allergic reaction and immediately assess him for other more serious symptoms. What question would be most important to ask Mr. Carter?

A nurse is caring for a client who just received a dose of IV ampicillin. Which of the following client reactions requires priority intervention by the nurse?

Before starting antimicrobial therapy, the nurse assesses a patient for possible drug allergy. Which of the following complaints should alert the nurse to a drug allergy?

Which class of antibiotic is associated with cartilage toxicity and rupture of the Achilles tendon?

The nurse responds to the client's questions about CAM therapies and explains that some have been popular for centuries in treating conditions of the body and mind Including which of the following? (Select All that Apply)

A client has been prescribed isoniazid (INI) for tuberculosis. Which foods should the client avoid while taking this medication, as they are high in tyramine? (Select All that Apply.)