The nurse is planning to administer two medications to a client at 0900. Which property of the drugs, if shared by both drugs, indicates a need to closely monitor the client for drug toxicity?
Low bioavailability.
Short half life.
Highly protein bound.
High therapeutic index.
The Correct Answer is C
The property of the drugs that, if shared by both, indicates a need to closely monitor the client for drug toxicity is:
Highly protein bound.
When a drug is highly protein bound, it means that a significant portion of the drug molecules bind to proteins in the bloodstream. This binding can affect the availability and distribution of the drug in the body. If two drugs are highly protein bound and administered together, they may compete for binding sites on the proteins, leading to increased levels of unbound (free) drug in the bloodstream. This can result in higher drug concentrations and an increased risk of drug toxicity.
Closely monitoring the client for drug toxicity is necessary when drugs are highly protein bound because there is a potential for increased drug levels and associated adverse effects. Monitoring for signs and symptoms of drug toxicity, as well as routine laboratory tests to assess liver and kidney function, may be necessary in these cases.
The other properties listed do not necessarily indicate a need for closer monitoring for drug toxicity:
- Low bioavailability refers to the fraction of an administered dose that reaches the systemic circulation in an active form. While low bioavailability can affect the effectiveness of a drug, it does not directly imply a need for closer monitoring for drug toxicity.
- Short half-life refers to the time it takes for half of the drug concentration in the body to be eliminated. While drugs with short half-lives may require more frequent dosing, this property does not inherently suggest a need for closer monitoring for drug toxicity.
- High therapeutic index indicates a wide margin of safety for a drug, meaning that the effective dose is significantly lower than the toxic dose. A high therapeutic index implies that the drug has a wide safety margin and is less likely to cause drug toxicity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) Incorrect- While physical soothing can help comfort the child after the injections, it may not significantly reduce the duration of pain during the injections themselves.
B) Incorrect- Verbal reassurance is important to provide a calming environment, but it may not directly reduce the duration of pain during the injections.
C) Correct- Administering vaccines can be distressing for toddlers due to the pain associated with injections. To reduce the duration of pain and minimize the overall discomfort, the nurse should prioritize the strategy of simultaneous injections. This involves administering multiple vaccines at the same time rather than spacing them out. The rationale behind this approach is that the child experiences the discomfort of the injections only once, which can help reduce their overall distress and anxiety.
D) Incorrect- The positioning of the child may not have a direct impact on the duration of pain during injections. However, choosing an appropriate position for comfort is still important.
Correct Answer is A
Explanation
The excoriated and red skin in the diaper area suggests the presence of diaper dermatitis, which is commonly caused by prolonged exposure to moisture and irritants such as urine and feces. Changing the diaper more frequently helps to minimize the exposure to these irritants and promotes better skin hygiene.
Asking the mother to decrease the infant's intake of fruits for 24 hours is not necessary unless there is evidence of diarrhea or specific dietary concerns. Fruits are generally a healthy part of an infant's diet and do not directly cause diaper dermatitis.
Encouraging the mother to apply lotion with each diaper change may not be recommended in this case, as lotions and creams can further trap moisture and exacerbate the condition. It is best to keep the area clean and dry.
Telling the mother to cleanse with soap and water at each diaper change may be too harsh for the infant's sensitive skin. Plain water or mild, fragrance-free wipes are typically sufficient for cleaning the diaper area. Soap can be drying and irritating to the skin, so it is generally not necessary unless there is a specific indication.

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