The prescription reads for diphenhydramine 10 mg PO every 4-6 hours as needed for runny nose and allergy symptoms. Using the label below, how many mL will the nurse teach the parent to administer? Enter a numeric value only. Answer to the nearest whole mL

The Correct Answer is ["4"]
1. Determine the concentration of the diphenhydramine:
The label states 12.5 mg/5 mL.
2. Set up a proportion to find the volume (in mL) needed:
12.5 mg / 5 mL = 10 mg / x mL
3. Solve for x:
Cross-multiply: 12.5x = 10 * 5
12.5x = 50
x = 50 / 12.5
x = 4 mL
Answer: The nurse should teach the parent to administer 4 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A) Low albumin: This factor has the most impact on the pharmacokinetic phase of distribution. Albumin is a key protein in the blood that binds to many medications. When albumin levels are low, fewer drug molecules will be bound, leading to an increased concentration of free (unbound) drug in the bloodstream. This can result in enhanced drug effects or toxicity, as the unbound drug is pharmacologically active and more readily able to cross cell membranes.
B) Renal disease: While renal disease can impact drug elimination and excretion, it does not have as direct an effect on the distribution phase of pharmacokinetics. Renal function primarily affects the clearance of drugs from the body rather than how the drug is distributed within the tissues.
C) Hepatic disease: Hepatic disease can affect the metabolism of drugs and their clearance, but it does not directly affect the distribution phase. While the liver is involved in metabolizing drugs, it is the ability to clear or process the drug that is most influenced, rather than its distribution to tissues.
D) An elevated gastric pH: Elevated gastric pH (which can occur with antacid use or in certain conditions) can affect the absorption of some medications but has minimal direct impact on the distribution phase of pharmacokinetics. Distribution is primarily concerned with how a drug moves from the bloodstream into tissues, and this is more influenced by factors like blood flow, protein binding, and the drug's lipophilicity, rather than the pH of the stomach.
Correct Answer is C
Explanation
A) Prepare and administer the prescribed antidote: Administering an antidote would only be appropriate if the medication error resulted in a harmful reaction that requires immediate reversal. Since the issue here is the timing of medication administration, it is more important to first assess the client for any immediate effects rather than administering an antidote, which might not be necessary at this stage.
B) Notify the charge nurse, the nurse manager, and the prescriber: While notifying the appropriate staff is crucial, the first action should be assessing the client for any safety concerns or complications resulting from the medication administration error. Immediate evaluation of the client's condition should take precedence over notification.
C) Assess and identify the presence of urgent safety issues: The first priority in this situation is to assess the client for any adverse effects or reactions due to the medication being administered too quickly. This could include monitoring for signs of toxicity, adverse reactions, or changes in vital signs that may indicate a potential risk to the client’s health. Once the client's status is assessed, further actions such as notifying other staff or completing an incident report can follow.
D) Complete an incident report detailing the error: While documenting the error in an incident report is necessary, this should not be the first step. The immediate priority is to ensure the client’s safety by assessing their condition, as an error in the timing of medication administration may result in unwanted side effects or complications that need to be addressed first.
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