HESI LPN
Practice HESI Fundamentals Exam
1. During an eye assessment, what action should the nurse take to assess a client's extraocular eye movements?
- A. Position the client 6.1 m (20 ft) away from the Snellen chart
- B. Instruct the client to follow a finger through the six cardinal positions of gaze
- C. Ask the client to cover their right eye during assessment of the left eye
- D. Hold a finger 46 cm (18 inches) away from the client's eye
Correct answer: B
Rationale: Instructing the client to follow a finger through the six cardinal positions of gaze is the correct action to assess extraocular eye movements effectively. This technique evaluates the function of the six extraocular muscles and cranial nerves III, IV, and VI. Positioning the client 6.1 m away from the Snellen chart is more relevant for visual acuity testing. Asking the client to cover their right eye during the assessment is not necessary for evaluating extraocular movements. Holding a finger at a specific distance in front of the client's eye is not an appropriate method for assessing extraocular eye movements.
2. During an assessment, a client receiving tube feedings via NG tube shows signs of nasal mucosa irritation. What finding should the nurse report to the provider?
- A. Potassium 5.5 mEq/L
- B. Irritation of nasal mucosa
- C. Sodium 144 mEq/L
- D. Loose stools
Correct answer: B
Rationale: Irritation of nasal mucosa is a crucial finding that the nurse should report to the provider as it suggests potential complications with NG tube placement, such as improper positioning or mucosal damage. High potassium levels (Choice A) can be concerning but are not directly related to NG tube placement issues. Normal sodium levels (Choice C) and loose stools (Choice D) are common occurrences in clients receiving tube feedings and are not typically indicative of immediate complications that require urgent reporting.
3. A nurse is caring for a client who has a surgical wound. Which of the following laboratory values places the client at risk for poor wound healing?
- A. Serum albumin 3 g/dL
- B. Total lymphocyte count 2400/mm3
- C. HCT 42%
- D. HGB 16 g/dL
Correct answer: A
Rationale: The correct answer is A: Serum albumin 3 g/dL. Low levels of serum albumin indicate poor nutritional status and can impair wound healing. Total lymphocyte count, HCT, and HGB levels are not directly related to wound healing and do not pose a significant risk for poor wound healing in this context. Total lymphocyte count reflects the immune status, HCT measures the percentage of red blood cells in blood, and HGB measures the amount of hemoglobin in blood.
4. The healthcare professional is caring for a client with a chest tube. Which observation requires immediate intervention?
- A. Constant bubbling in the suction control chamber
- B. Intermittent bubbling in the water seal chamber
- C. Drainage of 50 ml per hour
- D. Crepitus around the insertion site
Correct answer: D
Rationale: Crepitus around the chest tube insertion site may indicate subcutaneous emphysema, which requires immediate attention. The presence of crepitus suggests air leaking into the tissues, which could lead to respiratory compromise. Constant bubbling in the suction control chamber is expected and indicates proper functioning of the chest tube system. Intermittent bubbling in the water seal chamber is also normal, showing the system is intact. Drainage of 50 ml per hour is within the expected range for a chest tube.
5. A healthcare provider is preparing to insert an IV catheter into a client's arm before starting IV fluid therapy. Which of the following interventions should the provider implement to prevent infection?
- A. Thread the IV catheter so that the hub rests at the insertion site
- B. Shave excess hair from around the insertion site
- C. Cleanse the site with hydrogen peroxide before IV catheter insertion
- D. Palpate the site carefully just before inserting the IV catheter
Correct answer: A
Rationale: Inserting the IV catheter so that the hub rests at the insertion site reduces the risk of contamination along the length of the catheter. This technique helps prevent introducing microbes into the bloodstream during the catheter insertion process. Shaving excess hair is unnecessary and can increase the risk of skin irritation and infection. Cleansing the site with hydrogen peroxide is outdated as it can cause tissue damage and delay wound healing. Palpating the site just before insertion can introduce bacteria from the skin surface into the insertion site, increasing the risk of infection.
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