A nurse is preparing to administer 7 mg of haloperidol IM to a client who is severely agitated. Haloperidol injection of 5 mg/mL is available. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["1.4"]
Step 1 is to identify the required dose, which is 7 mg of haloperidol.
Step 2 is to identify the concentration of the available haloperidol injection, which is 5 mg/mL.
Step 3 is to calculate the volume to be administered using the formula: Volume = Dose ÷ Concentration.
So, let's calculate:
Volume = 7 mg (Dose) ÷ 5 mg/mL (Concentration)
This gives us:
Volume = 1.4 mL
However, we need to round the answer to the nearest tenth and use a leading zero if it applies. So, the final volume to be administered is 1.4 mL. The nurse should administer 1.4 mL of haloperidol injection.
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Naxlex Comprehensive Predictor Exams
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Correct Answer is D
Explanation
Choice A reason: Suppression is a conscious decision to delay paying attention to an emotion or need in order to cope with the present reality. It's unlikely that the client is consciously choosing to ignore the cause of their blackouts.
Choice B reason: Sublimation is a way of dealing with unacceptable impulses by unconsciously substituting acceptable forms of expression. This defense mechanism doesn't typically apply to explaining symptoms like blackouts.
Choice C reason: Projection involves attributing one's own unacceptable thoughts or feelings to another person. Since the client is providing an explanation for their own symptoms, rather than attributing them to someone else, projection is not the defense mechanism at play here.
Choice D reason: Rationalization involves justifying behaviors or feelings with logical reasons, even if they are not appropriate. The client's attribution of blackouts to low blood sugar, despite a diagnosis that suggests a psychological cause, is a form of rationalization.
Correct Answer is B
Explanation
Choice A reason: Watching television before bedtime can be stimulating and interfere with the ability to fall asleep. The blue light emitted by screens can also disrupt the body's natural sleep-wake cycle.
Choice B reason: Regular exercise, particularly when done earlier in the day, can help reduce anxiety and improve sleep quality. However, it's important to avoid vigorous exercise close to bedtime as it can be too stimulating.
Choice C reason: Consuming the evening meal too close to bedtime can cause indigestion and interfere with sleep. It's better to finish eating at least 2-3 hours before going to bed.
Choice D reason: Taking long naps, especially later in the day, can make it more difficult to fall asleep at night. If naps are necessary, they should be short and not too close to bedtime.
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