Paliperidone Injection Protocol

MedicinePharmacologyHard

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Nurse Anne is preparing to administer Ken's first injection of paliperidone. Which of the following statements should she make?

"I will firmly massage the injection site after I administer the medication."

"The medication will reach peak effectiveness in about 13 days."

"The first two injections will be given in the muscle of your upper arm."

"I need to monitor your vital signs for two hours following each injection."

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Step by Step Written Solution

1
Step 1

In this problem, we are looking at the administration of paliperidone, which is an atypical antipsychotic often given as a long-acting injection. We need to identify the correct statement Nurse Anne should make to her patient, Ken.

Paliperidone Administration Protocol

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Step 2

Let's evaluate each option carefully by looking at standard nursing protocols for this specific medication.


Evaluating Statements

1. Massaging the site

2. Time to peak effectiveness

3. Injection site location

4. Post-injection monitoring

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Step 3

The first option suggests firmly massaging the injection site. For long-acting intramuscular injections like paliperidone palmitate, massaging the site can alter the absorption rate of the medication and is generally contraindicated. So, we can rule this one out.

1. Massaging Injection Site

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Step 4

The second option claims peak effectiveness is reached in thirteen days. In reality, for paliperidone palmitate, the median time to peak plasma concentration varies slightly but is usually closer to thirteen days for the initial doses. However, we must see if another statement is more definitive of the protocol.

2. Peak Effectiveness

$$T_{max} \approx 13 \text{ days (range 6-28)}$$

While scientifically plausible, it's less standard as a primary patient teaching point compared to administration site instructions.

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About This Question

Subject
Medicine
Topic
Pharmacology
Difficulty
Hard
Question Type
Multiple Choice

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