The nurse receives the following order: "Ferrous sulfate 325 mg four times a day PO. Give on empty stomach." Even before researching, the nurse guesses that this is because the medication:

is better absorbed when there is no food in the stomach.

is destroyed by acid in the stomach

can cause constipation

is irritating to the gastric mucosa and may cause bleeding

Answer and Explanation

The Correct Answer is B

Choice A rationale: Iron absorption is influenced by several factors, including the presence of food in the stomach. Food can interfere with iron absorption by forming

insoluble complexes with iron, reducing its bioavailability. Therefore, ferrous sulfate should be taken on an empty stomach, preferably one hour before or two hours after meals, to enhance its absorption and effectiveness.

Choice B rationale: Ferrous sulfate is not destroyed by acid in the stomach but instead acid enhances iron absorption by keeping it in a soluble form.

Choice C rationale: Constipation is a common side effect of iron supplementation, but this is not the primary reason for taking it on an empty stomach.

Choice D rationale: Ferrous sulfate can cause gastrointestinal bleeding in some cases, but this is not the primary reason for taking it on an empty stomach.

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Correct Answer is B

Explanation

Choice A rationale: Applying an ice pack after a topical agent is not primarily for decreasing discomfort but rather to achieve a specific therapeutic effect.

Choice B rationale: Applying an ice pack can slow the absorption of the topical drug, allowing for prolonged local action.

Choice C rationale: Enhancing drug excretion is not typically achieved by applying an ice pack.

Choice D rationale: Maximizing drug distribution is not the primary purpose of applying an ice pack after a topical agent.

A. Acetaminophen 500 mg PO q4h PRN headache B. Dulcolax suppository one per rectum PRN C. Aspirin 10 mg PO crush and put in apple sauce D. Fentanyl 25 mcg/h via transdermal patch daily E. Morphine 0:4 mg IV q4h PRN severe pain

Correct Answer is ["B","D","E"]

Explanation

Choice A rationale: Acetaminophen 500 mg PO is subject to the first pass effect as it is absorbed through the gastrointestinal system.

Choice B rationale: Dulcolax suppository is not subject to the first pass effect as it is administered rectally.

Choice C rationale: Aspirin 10 mg PO is subject to the first pass effect as it is absorbed through the gastrointestinal system.

Choice D rationale: Fentanyl 25 mcg/h via transdermal patch avoids the first pass effect as it is absorbed through the skin.

Choice E rationale: Morphine 0.4 mg IV avoids the first pass effect as it is administered intravenously.

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The nurse receives the following order: "Ferrous sulfate 325 mg four times a day PO. Give on empty stomach." Even before researching, the nurse guesses that this is because the medication:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse has applied a topical agent to the client's skin, and then applies an ice pack to the area. This is done to:

Correct Answer is B

Explanation

The nurse is administering medications to a client who has severe liver damage. Which medications, as ordered below, will avoid the first pass effect? (SELECT ALL THAT APPLY)

Correct Answer is ["B","D","E"]

Explanation

The nurse finds a client on bed rest experiencing clear signs of dyspnea. The nurse should assist the client to a:

The nurse knows that which form of medication delivery results in the most predictable onset and most bioavailability to the client?

The nurse is caring for a client who has been wearing a nitroglycerin patch and receives an order to start a nitroglycerin intravenous Infusion. The old patch must be removed from the client's body in order to avoid:

The nurse understands that the rationale(s) for clients receiving intravenous (IV) therapy is/are to: (SELECT ALL THAT APPLY)

The nursing assessment finding that represents the most serious indication of a client's deteriorating oxygenation status is:

A client has a serum potassium level of 6.3 mEq/L. The nurse recognizes that the highest priority intervention(s) for this client are to: (SELECT ALL THAT APPLY)

The nurse is transcribing a medication order and schedules dosing for 10:00 AM, 2:00 PM and 6:00 PM. Which medication order is consistent with this schedule?

In providing care for clients, the nurse knows that the normal stimulus to breathe is a/an: