HESI LPN
Fundamentals of Nursing HESI
1. In planning care for a premature infant with respiratory distress syndrome, nursing actions are based on the fact that the most likely cause of this problem stems from the infant's inability to
- A. Stabilize alveolar surface tension
- B. Maintain alveolar surface tension
- C. Promote normal pulmonary blood flow
- D. Regulate intra-cardiac pressure
Correct answer: B
Rationale: The correct answer is B: Maintain alveolar surface tension. Respiratory distress syndrome in premature infants is often caused by a deficiency in surfactant, a substance that helps maintain alveolar surface tension. Without adequate surfactant, the alveoli collapse, making it difficult for the infant to oxygenate effectively. Choices A, C, and D are incorrect because stabilizing alveolar surface tension is not the issue, promoting normal pulmonary blood flow and regulating intra-cardiac pressure are not directly related to the pathophysiology of respiratory distress syndrome in premature infants.
2. The LPN observes an unlicensed assistive personnel (UAP) taking a client's blood pressure with a cuff that is too small, but the blood pressure reading obtained is within the client's usual range. What action is most important for the nurse to implement?
- A. Tell the UAP to use a larger cuff at the next scheduled assessment.
- B. Reassess the client's blood pressure using a larger cuff.
- C. Have the unit educator review this procedure with the UAPs.
- D. Teach the UAP the correct technique for assessing blood pressure.
Correct answer: B
Rationale: Reassessing the client's blood pressure using a larger cuff is the most important action for the nurse to implement in this situation. Using the correct cuff size is crucial for obtaining accurate blood pressure readings. By reassessing with a larger cuff, the nurse can ensure an accurate measurement and proper monitoring of the client's blood pressure. Choice A is not the best option as it doesn't address the immediate need for accurate blood pressure measurement. Choice C is not the most appropriate action at this time since the immediate concern is ensuring correct blood pressure assessment. Choice D, while important, is not the most critical step in this scenario where immediate reassessment is needed with the correct cuff size.
3. A healthcare professional is preparing to administer an intramuscular injection to a young adult client. Which of the following injection sites is the safest for this client?
- A. Ventrogluteal
- B. Dorsogluteal
- C. Deltoid
- D. Vastus lateralis
Correct answer: A
Rationale: The ventrogluteal site is considered the safest for intramuscular injections in young adult clients due to its location away from major nerves and blood vessels. The ventrogluteal site is preferred over the dorsogluteal site, as the latter is associated with a higher risk of injury to the sciatic nerve. The deltoid site is commonly used for vaccines but may not be suitable for all intramuscular injections due to smaller muscle mass. The vastus lateralis site is often used in infants and young children, but in young adults, the ventrogluteal site is preferred for safety and efficacy.
4. A healthcare professional is screening several clients at a neighborhood health fair. Which of the following assessment findings is the priority for referral for further care?
- A. HR 105/min
- B. BMI 25 kg/m²
- C. BP 148/92
- D. Glucose 45 mg/dL
Correct answer: D
Rationale: The correct answer is D, 'Glucose 45 mg/dL.' Glucose level of 45 mg/dL indicates hypoglycemia, which is a critical condition requiring immediate attention to prevent complications like seizures, loss of consciousness, and even coma. Hypoglycemia can lead to serious adverse outcomes if not promptly addressed. Choices A, B, and C do not represent immediate life-threatening conditions and can be managed as part of routine care, unlike hypoglycemia which demands urgent intervention.
5. What instruction should the nurse provide for a UAP caring for a client with MRSA who has a prescription for contact precautions?
- A. Allow visitors with precautions in place
- B. Wear sterile gloves when handling the client's body fluid
- C. Have the client wear a mask whenever someone enters the room
- D. Don a gown and gloves when entering the room
Correct answer: D
Rationale: The correct instruction for a UAP caring for a client with MRSA under contact precautions is to don a gown and gloves when entering the room. Wearing a gown and gloves is necessary to prevent the transmission of MRSA. Choice A is incorrect because visitors may be allowed with proper precautions in place. Choice B is incorrect as it assumes the client has body fluid precautions, which is not specified. Choice C is incorrect as it does not address the UAP's protective measures but rather focuses on the client wearing a mask.
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