A nurse is preparing to administer fluoxetine 40 mg PO daily.
The amount available is fluoxetine 20 mg/5mL.
How many mL should the nurse administer?
(Round the answer to the nearest whole number. Use a leading zero if it applies.Do not use a trailing zero.).
The Correct Answer is ["10"]
To calculate the amount of fluoxetine to administer, we can use the following steps:
Step 1: Identify the desired dose, which is 40 mg.
Step 2: Identify the available dose, which is 20 mg/5 mL.
Step 3: Set up the equation to solve for the unknown, which is the volume in mL. The equation is (Desired Dose ÷ Available Dose) × Volume = Volume to Administer.
Step 4: Substitute the known values into the equation: (40 mg ÷ 20 mg) × 5 mL = Volume to Administer. Step 5: Solve the equation: 2 × 5 mL = 10 mL.
So, the nurse should administer 10 mL of fluoxetine.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Intrusive and judgmental: Asking "Why did you wear clean clothes and comb your hair today?" directly challenges the client's behavior and implies that she needs to justify her actions. This can make the client feel defensive and less likely to open up.
Focuses on the past: The directs attention to the client's previous lack of self-care, which can reinforce negative feelings and discourage progress.
Assumes motivation: It presumes that the client made a conscious decision to change her appearance based on a specific reason, which may not be accurate and can invalidate her experience.
Choice B rationale:
Presumptuous and premature: Concluding that "Your mood must be lifting because you have on clean clothes and have combed your hair" makes assumptions about the client's internal state without proper assessment.
Oversimplifies depression: It suggests that improvements in self-care directly equate to mood improvement, which disregards the complexity of depression and its varied manifestations.
Can create pressure: The statement can inadvertently pressure the client to feel or act a certain way to meet the nurse's expectations, hindering genuine progress.
Choice D rationale:
Paternalistic and condescending: Expressing "Oh, I'm so pleased that you finally put on clean clothes" implies that the nurse has been waiting for or expecting this change, placing the nurse in a position of authority and potentially undermining the client's autonomy.
Focuses on the nurse's feelings: The statement centers on the nurse's approval rather than acknowledging the client's efforts and perspective.
Can reinforce dependency: It can foster a dynamic where the client seeks external validation for her actions, rather than developing internal motivation for self-care.
Choice C rationale:
Observational and non-judgmental: The statement "I see that you have on clean clothes and have combed your hair" simply acknowledges the client's actions without imposing any interpretation or judgment.
Invites conversation: It provides an opportunity for the client to elaborate on her choices if she feels comfortable, promoting autonomy and self-expression.
Validates effort: It subtly recognizes the client's efforts without explicitly praising or criticizing, fostering a sense of self- efficacy and encouraging continued self-care.
Demonstrates active listening: It shows that the nurse has been paying attention to the client's progress, which can strengthen the therapeutic relationship and build trust.
Correct Answer is D
Explanation
The correct answer is choice d. “St. John’s wort can reduce the effectiveness of oral contraceptives.”
Choice A rationale:
St. John’s wort is commonly used to treat mild to moderate depression. It has been shown to be effective in alleviating symptoms of depression, likely due to its impact on neurotransmitters like serotonin.
Choice B rationale:
There is no evidence to suggest that St. John’s wort can lower prostate-specific antigen (PSA) levels. PSA levels are typically monitored for prostate health, and St. John’s wort does not have an impact on these levels.
Choice C rationale:
St. John’s wort does not increase estrogen levels in the body. It primarily affects neurotransmitters and has no known effect on hormone levels.
Choice D rationale:
St. John’s wort can indeed reduce the effectiveness of oral contraceptives. It induces certain liver enzymes that can increase the metabolism of contraceptive hormones, thereby reducing their effectiveness and increasing the risk of unintended pregnancy.
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