HESI LPN
HESI Fundamental Practice Exam
1. A 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, a serious condition that requires immediate attention. It can be a sign of an air leak in the lung or surrounding tissues. Constant bubbling in the suction control chamber is expected in a functioning chest tube system as it indicates proper suction. Intermittent bubbling in the water seal chamber is also normal, showing that the system is functioning correctly, allowing air to escape but not re-enter. Drainage of 50 ml per hour is within the expected range for chest tube output and does not require immediate intervention unless there are other concerning signs such as rapid increase or a sudden change in color or consistency.
2. A client enters the emergency department unconscious via ambulance from the client's workplace. What document should be given priority to guide the direction of care for this client?
- A. The statement of client rights and the client self-determination act
- B. Orders written by the healthcare provider
- C. A notarized original of advance directives brought in by the partner
- D. The clinical pathway protocol of the agency and the emergency department
Correct answer: C
Rationale: In this scenario, when the client is unconscious and unable to make decisions, a notarized original of advance directives brought in by the partner should be given priority to guide the direction of care. Advance directives provide legal documentation of the client's wishes regarding healthcare decisions in situations where they cannot express their preferences. The statement of client rights and the client self-determination act (Choice A) outlines general principles but does not provide specific guidance on the client's care. Orders written by the healthcare provider (Choice B) are important but may not reflect the client's preferences. Clinical pathway protocols (Choice D) are useful for standard care pathways but do not address individual client wishes.
3. A client is to have mafenide (Sulfamylon) cream applied to burned areas. For which serious side effect of mafenide therapy should the LPN/LVN monitor this client?
- A. Curling ulcer
- B. Renal shutdown
- C. Metabolic acidosis
- D. Hemolysis of red blood cells
Correct answer: C
Rationale: Corrected Rationale: Metabolic acidosis is a serious side effect of mafenide therapy that should be closely monitored. Mafenide can lead to metabolic acidosis due to its inhibition of carbonic anhydrase, resulting in the accumulation of carbonic acid. Curling ulcer (Choice A) is a stress-related mucosal lesion that occurs in the duodenum, primarily due to severe burns, not directly related to mafenide therapy. Renal shutdown (Choice B) is not a common side effect of mafenide therapy. Hemolysis of red blood cells (Choice D) is not a recognized side effect of mafenide cream application.
4. In planning care for a client with a surgical wound healing by secondary intention, the nurse can anticipate that the client will:
- A. Be at an increased susceptibility for infection
- B. Have a wound that heals more slowly
- C. Experience more pain during the healing process
- D. Require more frequent dressing changes
Correct answer: A
Rationale: Wounds healing by secondary intention involve the gradual filling of the wound with granulation tissue, leading to a higher risk of infection due to prolonged exposure. This makes choice A the correct answer. Choices B and C are incorrect because wounds healing by secondary intention take longer to heal and often result in more pain compared to wounds healing by primary intention. Choice D is also incorrect as wounds healing by secondary intention usually require more frequent dressing changes to prevent infection and promote healing.
5. In a mass casualty scenario at a child day care center, which child would the triage nurse prioritize for treatment last?
- A. An infant with intermittent bulging anterior fontanel between crying episodes
- B. A toddler with severe deep abrasions covering over 98% of the body
- C. A preschooler with 1 lower leg fracture and the other leg with an upper leg fracture
- D. A school-age child with singed eyebrows and hair on the arms
Correct answer: B
Rationale: In a mass casualty scenario, the triage nurse would prioritize the toddler with severe deep abrasions covering over 98% of the body for treatment last. This child is categorized as 'expectant' due to the extensive injuries, which are unlikely to be survivable even with immediate treatment. The other choices describe injuries that are serious but have a higher likelihood of survival with appropriate and timely intervention. The infant with an intermittent bulging anterior fontanel may have increased intracranial pressure requiring urgent evaluation, the preschooler with leg fractures can be stabilized and treated effectively, and the school-age child with singed hair likely has superficial burns which can be managed promptly.
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