HESI RN
HESI Fundamentals Practice Exam
1. The healthcare professional is preparing to administer 10 mL of liquid potassium chloride through a feeding tube, followed by 10 mL of liquid acetaminophen. Which action should the healthcare professional include in this procedure?
- A. Dilute each of the medications with sterile water prior to administration.
- B. Mix the medications in one syringe before opening the feeding tube.
- C. Administer water between the doses of the two liquid medications.
- D. Withdraw any fluid from the tube before instilling each medication.
Correct answer: C
Rationale: To maintain patency and ensure proper medication delivery, water should be instilled into the feeding tube between administering the two medications. This helps prevent clogging of the tube and ensures that both medications are delivered effectively without interference from remnants of the previous medication. Diluting the medications with sterile water before administration (choice A) is unnecessary and may alter the medication concentration. Mixing the medications in one syringe (choice B) could lead to interactions or chemical reactions between the medications. Withdrawing fluid from the tube before instilling each medication (choice D) is not required and may increase the risk of tube displacement or misplacement.
2. The client has received a new diagnosis of heart failure, and the nurse is providing dietary management education. Which instruction should the nurse include?
- A. Increase intake of foods high in potassium.
- B. Avoid foods high in sodium.
- C. Limit fluid intake to 1.5 liters per day.
- D. Increase intake of foods high in vitamin K.
Correct answer: B
Rationale: Avoiding foods high in sodium (choice B) is essential for clients with heart failure to prevent fluid retention and decrease the strain on the heart. High sodium intake can lead to fluid buildup, exacerbating heart failure symptoms. Increasing potassium intake (choice A) can be harmful in heart failure if not monitored closely as it can affect heart rhythm. Limiting fluid intake (choice C) may be necessary in some cases, but the specific amount should be individualized based on the client's condition. Increasing vitamin K intake (choice D) is not a primary concern in heart failure management and is more relevant for clients on anticoagulants to manage blood clotting.
3. The healthcare provider is preparing an older client for discharge. Which method is best for the provider to use when evaluating the client's ability to perform a dressing change at home?
- A. Determine the client's feelings about changing the dressing.
- B. Ask the client to write a description of the procedure.
- C. Have a family member evaluate the client's ability to change the dressing.
- D. Observe the client performing an unassisted dressing change.
Correct answer: D
Rationale: Direct observation of the client performing the skill is the most effective method to assess the client's ability to independently change the dressing. This allows the healthcare provider to evaluate the client's technique, understanding, and readiness to perform the task at home. Choices A, B, and C are not as reliable as directly observing the client performing the dressing change. Determining the client's feelings may not accurately reflect their ability, asking the client to write about the procedure may not demonstrate their practical skills, and having a family member evaluate might not provide an accurate assessment of the client's ability.
4. A client with chronic renal failure is receiving epoetin alfa (Epogen). Which laboratory test should the nurse monitor to evaluate the effectiveness of this medication?
- A. White blood cell count.
- B. Hemoglobin and hematocrit.
- C. Platelet count.
- D. Blood urea nitrogen (BUN) and creatinine.
Correct answer: B
Rationale: The correct answer is B: Hemoglobin and hematocrit. These are the primary laboratory tests to monitor the effectiveness of epoetin alfa (Epogen) in treating anemia. White blood cell count (A), platelet count (C), and blood urea nitrogen (BUN) and creatinine (D) are not directly related to the effects of this medication. Epoetin alfa stimulates the production of red blood cells, so monitoring hemoglobin and hematocrit levels helps assess the response to the treatment.
5. The health care provider has changed a client's prescription from the PO to the IV route of administration. The nurse should anticipate which change in the pharmacokinetic properties of the medication?
- A. The client will experience increased tolerance to the drug's effects and may need a higher dose.
- B. The onset of action of the drug will occur more rapidly, resulting in a more rapid effect.
- C. The medication will be more highly protein-bound, increasing the duration of action.
- D. The therapeutic index will be increased, placing the client at greater risk for toxicity.
Correct answer: B
Rationale: When a medication is administered via the IV route, the absorptive process is bypassed, leading to a more rapid onset of action. This results in a faster effect of the drug. Choice A is incorrect because changing the route of administration does not necessarily lead to increased tolerance or the need for a higher dose. Choice C is incorrect as changing the route of administration does not directly affect the protein binding of a medication. Choice D is incorrect because increasing the therapeutic index would actually reduce the risk of toxicity, not increase it.
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