HESI LPN
HESI Fundamentals Exam Test Bank
1. Before donning gloves to perform a procedure, proper hand hygiene is essential. The healthcare professional understands that the most important aspect of hand hygiene is the amount of:
- A. Temperature
- B. Time
- C. Friction
- D. Soap
Correct answer: C
Rationale: The correct answer is C: Friction. The amount of friction is crucial in effective hand hygiene to remove microorganisms. Rubbing hands together with friction helps to dislodge and remove dirt, oils, and microorganisms. While temperature and soap are important factors in hand hygiene, the mechanical action of friction plays a more significant role in physically removing contaminants. Time is also important in hand hygiene practice, but without adequate friction, the effectiveness of the process is compromised.
2. What is the rate of delivery in mL/hr if a total volume of 750 mL is infused over a period of 7 hours?
- A. 107 mL/hr.
- B. 107 mL/hr.
- C. 107 mL/hr.
- D. 107 mL/hr.
Correct answer: A
Rationale: The correct rate of delivery is 107 mL/hr. To find the rate of delivery, divide the total volume by the total time: 750 mL / 7 hours = 107 mL/hr. Choice B, C, and D are incorrect as they do not match the correct calculation based on the total volume and time provided.
3. A nurse is preparing to provide tracheostomy care for a client. Which of the following actions should the nurse take first?
- A. Perform hand hygiene
- B. Identify the client using two identifiers
- C. Prepare the sterile field
- D. Don sterile gloves
Correct answer: A
Rationale: Performing hand hygiene is essential before any direct patient care procedure to prevent the spread of infection. Proper hand hygiene helps reduce the risk of introducing harmful microorganisms to the client, especially when dealing with a procedure like tracheostomy care. Identifying the client, preparing the sterile field, and donning sterile gloves are all important steps in tracheostomy care, but hand hygiene precedes them to maintain asepsis and ensure patient safety.
4. The nurse is preparing to administer insulin to a client with type 1 diabetes. Which assessment finding would require the nurse to hold the insulin and contact the healthcare provider?
- A. Blood glucose of 100 mg/dL
- B. Client reports feeling shaky
- C. Client ate only half of breakfast
- D. Client is sweating
Correct answer: A
Rationale: A blood glucose of 100 mg/dL is relatively low for administering insulin, especially if the client has not eaten adequately; further assessment and contacting the provider are necessary. Hypoglycemia can be a serious concern when administering insulin, and a blood glucose level of 100 mg/dL indicates a risk of hypoglycemia. Holding the insulin and contacting the healthcare provider is crucial to prevent hypoglycemia-related complications. Choices B, C, and D are not immediate concerns for holding insulin as they do not directly indicate a risk of hypoglycemic events.
5. A client is recovering from gallbladder surgery performed under general anesthesia. How many times per hour should the nurse encourage the client to use the incentive spirometer?
- A. 4-5 times per hour
- B. 2-3 times per hour
- C. 6-7 times per hour
- D. 8-10 times per hour
Correct answer: A
Rationale: Encouraging the client to use the incentive spirometer 4-5 times per hour is the correct approach post-gallbladder surgery under general anesthesia. This frequency helps prevent respiratory complications, such as atelectasis, by promoting lung expansion. Choices B, C, and D suggest either too few or too many sessions per hour, which may not be optimal for the client's respiratory recovery needs. It is important to strike a balance between ensuring adequate lung expansion and not overexerting the client, which is why 4-5 times per hour is the recommended frequency.
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