HESI RN
HESI Fundamentals Practice Exam
1. A client is admitted with a diagnosis of fluid volume deficit. Which clinical finding would the nurse expect?
- A. Bounding pulse
- B. Bradycardia
- C. Oliguria
- D. Dry mucous membranes
Correct answer: D
Rationale: Dry mucous membranes (D) are a common clinical finding indicating fluid volume deficit. In dehydration, there is insufficient fluid in the body, leading to dry mucous membranes due to decreased saliva production. Bounding pulse (A) is associated with fluid volume excess, not deficit. Bradycardia (B) and oliguria (C) are not typical clinical findings of fluid volume deficit but may be seen in fluid volume excess or other conditions.
2. 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.
3. While suctioning a client’s nasopharynx, the nurse observes that the client’s oxygen saturation remains at 94%, which is the same reading obtained prior to starting the procedure. What action should the nurse take in response to this finding?
- A. Complete the intermittent suction of the nasopharynx.
- B. Reposition the pulse oximeter clip to obtain a new reading.
- C. Stop suctioning until the pulse oximeter reading is above 95%.
- D. Apply an oxygen mask over the client’s nose and mouth.
Correct answer: A
Rationale: A stable oxygen saturation reading of 94% indicates that the nurse can continue with the suctioning procedure. It is within an acceptable range, and there is no immediate need to interrupt the procedure. Continuing with the suctioning will help maintain airway patency and promote adequate oxygenation. Choice B is incorrect because repositioning the pulse oximeter clip is unnecessary when the reading is stable. Choice C is incorrect as there is no evidence to support stopping the suctioning procedure solely based on the oxygen saturation reading of 94%. Choice D is not the best action at this point, as applying an oxygen mask is not indicated when the oxygen saturation is stable and within an acceptable range.
4. The healthcare professional is assessing a client with a diagnosis of peripheral arterial disease (PAD). Which assessment finding is most indicative of this condition?
- A. Dependent rubor.
- B. Absence of hair on the lower legs.
- C. Shiny, thin skin on the legs.
- D. Pain in the legs when walking.
Correct answer: D
Rationale: Pain in the legs when walking (D), known as intermittent claudication, is most indicative of peripheral arterial disease (PAD). While dependent rubor (A), absence of hair (B), and shiny, thin skin (C) are also associated with PAD, they are less specific than intermittent claudication. Intermittent claudication is a hallmark symptom of PAD caused by inadequate blood flow to the legs during exercise, resulting in pain that resolves with rest.
5. When culturing a wound, the nurse should obtain the sample from which part of the wound?
- A. The outer edges of the wound.
- B. All necrotic sections of the wound.
- C. Areas containing purulent or pooled exudates.
- D. Any particularly painful area of the wound.
Correct answer: C
Rationale: To collect a wound culture, the nurse should first clean the wound to remove skin flora and then insert a sterile swab from a culturette tube into the wound secretions.
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