HESI LPN
Fundamentals HESI
1. A client is admitted with a diagnosis of left-sided heart failure. Which assessment finding would be most concerning?
- A. Peripheral edema
- B. Crackles in the lungs
- C. Jugular vein distention
- D. Hepatomegaly
Correct answer: B
Rationale: The correct answer is B: Crackles in the lungs. Crackles in the lungs indicate pulmonary congestion, a serious complication of left-sided heart failure. The presence of crackles suggests fluid accumulation in the lungs, impairing gas exchange and potentially leading to respiratory distress. Immediate intervention is necessary to prevent worsening respiratory function. Choices A, C, and D are incorrect: Peripheral edema is a common finding in heart failure but may not be as acutely concerning as pulmonary congestion. Jugular vein distention is associated with right-sided heart failure, not left-sided heart failure. Hepatomegaly is often seen in liver conditions and right-sided heart failure, not specifically left-sided heart failure.
2. A client with a diagnosis of deep vein thrombosis (DVT) is receiving anticoagulation therapy. Which of the following laboratory values would be most concerning?
- A. INR of 1.5
- B. Platelet count of 200,000/mm³
- C. Hemoglobin of 12 g/dL
- D. aPTT of 70 seconds
Correct answer: A
Rationale: An INR of 1.5 is below the therapeutic range for clients on anticoagulation therapy, increasing the risk of clot formation. A lower INR indicates inadequate anticoagulation, which can lead to thrombus formation and potential complications such as progression or recurrence of deep vein thrombosis. Platelet count, hemoglobin level, and aPTT are important parameters to monitor in a client with DVT. However, in this scenario, the most concerning value is the suboptimal INR level because it signifies a lack of anticoagulation effectiveness and poses a higher risk of clotting issues.
3. When initiating cardiopulmonary resuscitation (CPR), what assessment finding must the healthcare provider confirm before beginning chest compressions?
- A. Absence of a pulse
- B. Presence of a pulse
- C. Respiratory rate
- D. Blood pressure
Correct answer: A
Rationale: The correct answer is A: Absence of a pulse. Prior to initiating chest compressions during CPR, it is essential to confirm the absence of a pulse. Chest compressions are indicated when there is no detectable pulse as it signifies cardiac arrest. Checking for a pulse is a critical step to ensure that CPR is performed on individuals who truly require it. Choices B, C, and D are incorrect because focusing on the presence of a pulse, respiratory rate, or blood pressure before starting chest compressions can delay life-saving interventions in a person experiencing cardiac arrest.
4. A client is on bed rest following an abdominal surgery. Which of the following findings indicates the need to increase the frequency of position changes?
- A. Flat rash on the client's ankle
- B. Non-blanching red area over the client's trochanter
- C. Ecchymosis on the client's left shoulder
- D. Petechiae on the client's right anterior thigh
Correct answer: B
Rationale: The presence of a non-blanching red area over the client's trochanter is a concerning finding as it indicates possible pressure ulcer formation. This finding necessitates an increase in the frequency of position changes to prevent skin breakdown. Choices A, C, and D do not directly correlate with the need for increased position changes. A flat rash, ecchymosis, and petechiae may have different causes and would not be addressed by changing the client's position more frequently.
5. The healthcare professional prepares a 1,000 ml IV of 5% dextrose and water to be infused over 8 hours. The infusion set delivers 10 drops per milliliter. The healthcare professional should regulate the IV to administer approximately how many drops per minute?
- A. 80
- B. 8
- C. 21
- D. 25
Correct answer: C
Rationale: To calculate the drops per minute for the IV infusion, first determine the total drops to be infused over 8 hours. 1,000 ml to be infused over 8 hours means 125 ml per hour (1000 ml / 8 hours = 125 ml/hr). Since the infusion set delivers 10 drops per ml, 125 ml/hr x 10 drops/ml = 1250 drops/hr. To find drops per minute, divide the drops per hour by 60 (minutes in an hour): 1250 drops/hr / 60 minutes = 20.83 drops/minute, which rounds up to 21 drops per minute (Option C). This rate ensures the correct infusion rate over 8 hours. Choices A, B, and D are incorrect calculations and do not provide the appropriate infusion rate needed to administer the IV over the specified time period.
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