When given an intravenous medication, the patient asks the nurse, “I usually take pills.
Why does this medication have to be given in the arm?” What is the nurse’s best response?
“The intravenous medication will have delayed absorption into the body’s tissues.”
“The action of the medication will begin sooner when given intravenously.”
“The medication will cause fewer adverse effects when given intravenously.”
“There is a lower chance of allergic reactions when drugs are given intravenously.”
The Correct Answer is B
Choice A rationale:
The statement “The intravenous medication will have delayed absorption into the body’s tissues” is incorrect. Intravenous (IV) therapy is administering fluids directly into a vein. It benefits treatment by enabling water, medication, blood, or nutrients to access the body faster through the circulatory system. This bypasses the gastric system so the body can take on more fluids quickly. Therefore, the absorption of intravenous medication into the body’s tissues is not delayed but rather immediate.
Choice B rationale:
The statement “The action of the medication will begin sooner when given intravenously” is correct. Administering a medication intravenously eliminates the process of drug absorption and breakdown by directly depositing it into the blood. This results in the immediate elevation of serum levels and high concentration in vital organs, such as the heart, brain, and kidneys. Therefore, the action of the medication begins sooner when given intravenously.
Choice C rationale:
The statement “The medication will cause fewer adverse effects when given intravenously” is not necessarily true. While some medications might cause fewer adverse effects when given intravenously, this is not a general rule for all medications. The adverse effects of a medication depend on various factors including the type of medication, the dose, the patient’s health condition, and more.
Choice D rationale:
The statement “There is a lower chance of allergic reactions when drugs are given intravenously” is not necessarily true. The chance of allergic reactions depends on various factors including the type of drug, the patient’s immune response, previous exposure to the drug, and more. It’s not related to the route of administration.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale:
Insulin is not absorbed most rapidly when injected in the thigh. The abdomen is actually the preferred site for insulin injection as insulin is absorbed more quickly and predictably there. The thigh is a simple area for self-injection, but regular injections in the thigh can sometimes cause discomfort when walking or running afterward.
Choice B rationale:
Using cold insulin for injection to minimize site pain is not recommended. Insulin should be at room temperature. Cold insulin might make the injection more painful.
Choice C rationale:
Massaging the site after injection to promote absorption is not advised. It can cause the insulin to be absorbed too quickly which can lead to low blood glucose levels.
Choice D rationale:
Rotating the injection site to keep insulin levels consistent is the correct choice. People who take insulin daily should rotate their injection sites. This is important because using the same spot over time can cause lipodystrophy. In this condition, fat either breaks down or builds up under the skin, causing lumps or indentations that interfere with insulin absorption.
Correct Answer is C
Explanation
Choice A rationale:
Proton pump inhibitors (PPIs) are used extensively for the treatment of gastric acid-related disorders, often over the long term, which raises the potential for clinically significant drug interactions in patients receiving concomitant medications.
However, there is no specific mention of a significant interaction between PPIs and aminoglycosides.
Choice B rationale:
Aminoglycoside antibiotics and calcium channel blockers can interact at the neuromuscular junctions. This interaction is of clinical significance because when these agents are given concurrently during the perioperative period they may lead to respiratory depression or prolonged apnea. However, this is not directly related to the therapeutic effect of aminoglycosides, but rather a side effect of their combined use.
Choice C rationale:
The loop-diuretics (ethacrynic acid, furosemide, bumetamide) and aminoglycoside antibiotics (kanamycin, gentamicin, tobramycin, amikacin, etc.) are important drugs frequently used to treat seriously ill patients. Not uncommonly both types of drugs are given to the same patient exposing that patient to the risk of a hearing loss (ototoxicity)5. In addition, the risk of ototoxicity could be enhanced by the concomitant use of loop diuretics and aminoglycoside antibiotics.
Choice D rationale:
Phenytoin is a medication used to treat seizures. It has a complex pharmacokinetic profile and can interact with many other drugs. However, there is no specific mention of a significant interaction between phenytoin and aminoglycosides.
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