HESI LPN
HESI Fundamentals Exam Test Bank
1. A nurse is preparing an infusion for a client who was hospitalized with deep-vein thrombosis. The orders read: 25,000 units of heparin in 250 mL of 0.9% sodium chloride to infuse at 800 units/hr. At what rate should the nurse set the infusion pump?
- A. 8 mL/hr
- B. 10 mL/hr
- C. 12 mL/hr
- D. 15 mL/hr
Correct answer: A
Rationale: To calculate the infusion rate, use the formula: (Desired units/hr / Total units) × Volume. In this case, it would be (800 units/hr / 25,000 units) × 250 mL = 8 mL/hr. Therefore, the nurse should set the infusion pump at 8 mL/hr. Choice B, 10 mL/hr, is incorrect because it does not match the calculated rate. Choices C and D, 12 mL/hr and 15 mL/hr respectively, are also incorrect as they do not align with the correct calculation based on the provided data.
2. A nurse is giving a change-of-shift report about a client he admitted earlier that day who has pneumonia. Which of the following pieces of information is the priority for the nurse to provide?
- A. Breath sounds
- B. Client’s history of smoking
- C. Current medication list
- D. Client’s family history of respiratory illness
Correct answer: A
Rationale: In a client with pneumonia, assessing breath sounds is crucial as it provides immediate information about the client's respiratory status. Changes in breath sounds could indicate complications like fluid accumulation or worsening pneumonia. While the client's history of smoking (Choice B), current medication list (Choice C), and family history of respiratory illness (Choice D) are important factors to consider, they are not as urgent or directly related to the client's immediate condition as assessing breath sounds.
3. A nurse is preparing to administer methylprednisolone 10 mg by IV bolus. The amount available is methylprednisolone injection 40-mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Do not use a trailing zero.)
- A. 0.3 mL
- B. 0.25 mL
- C. 0.4 mL
- D. 0.5 mL
Correct answer: A
Rationale: To calculate the mL to administer, use the formula: Dose required (mg) ÷ Stock concentration (mg/mL) = Volume to administer (mL). In this case, 10 mg ÷ 40 mg/mL = 0.25 mL. However, when rounding to the nearest tenth, the answer should be 0.3 mL. Therefore, the nurse should administer 0.3 mL. Choice A is the correct answer. Choice B (0.25 mL) is the result obtained before rounding. Choice C (0.4 mL) and Choice D (0.5 mL) are incorrect calculations.
4. During an assessment, a nurse is evaluating the breath sounds of an adult client diagnosed with pneumonia. Which of the following actions should the nurse take?
- A. Follow a systematic pattern from side-to-side moving down the client’s chest.
- B. Ask the client to breathe in deeply through their nose.
- C. Instruct the client to sit upright with their head slightly tilted backward.
- D. Place the diaphragm of the stethoscope on the client’s chest.
Correct answer: A
Rationale: When assessing breath sounds in a client with pneumonia, the nurse should follow a systematic pattern from side-to-side moving down the client’s chest. This approach ensures a comprehensive evaluation of breath sounds across different lung fields. Asking the client to breathe in deeply through their nose (Choice B) is not necessary for assessing breath sounds. Instructing the client to sit upright with their head slightly tilted backward (Choice C) is not directly related to assessing breath sounds and may not be required. Placing the diaphragm of the stethoscope on the client’s chest (Choice D) is not the correct technique for auscultating breath sounds, as the diaphragm should be used for this purpose.
5. When assessing a client's skin turgor, a nurse should:
- A. Grasp a fold of the skin on the chest under the clavicle, release it, and note the depth of the impression
- B. Check skin elasticity on the back of the hand
- C. Press on the skin over the abdomen
- D. Measure skin turgor on the lower leg
Correct answer: A
Rationale: Correct answer: When assessing a client's skin turgor, a nurse should grasp a fold of the skin on the chest under the clavicle, release it, and note the depth of the impression. This method is reliable for evaluating hydration status as it is less influenced by age-related skin changes or adipose tissue. Choice B, checking skin elasticity on the back of the hand, is not the preferred method for assessing skin turgor. Choice C, pressing on the skin over the abdomen, is not a standard location for assessing skin turgor. Choice D, measuring skin turgor on the lower leg, is not a recommended site for assessing skin turgor in clinical practice.
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