HESI LPN
HESI CAT Exam
1. After a motor vehicle collision, a client is admitted to the medical unit with acute adrenal insufficiency (Addisonian crisis). Which prescription should the nurse implement?
- A. Determine serum glucose levels
- B. Withhold potassium additives to IV fluids
- C. Give IV corticosteroid replacement
- D. Prepare to initiate IV vasopressors
Correct answer: C
Rationale: In a client with acute adrenal insufficiency (Addisonian crisis) following a motor vehicle collision, the priority intervention is to administer IV corticosteroid replacement. This is crucial to manage the crisis by replacing the deficient cortisol. Determining serum glucose levels (Choice A) may be important but is not the immediate priority in this situation. Withholding potassium additives to IV fluids (Choice B) is not indicated and may exacerbate electrolyte imbalances. Initiating IV vasopressors (Choice D) is not the primary treatment for acute adrenal insufficiency and should be reserved for managing hypotension that is unresponsive to corticosteroid therapy.
2. A client with rheumatoid arthritis reports a new onset of increasing fatigue. What intervention should the nurse implement first?
- A. Assist the client in conserving energy during daily activities
- B. Explain to the client that this could be a side effect of the medication
- C. Assess the client for pallor
- D. Encourage the client to maintain a balanced diet and hydration
Correct answer: C
Rationale: The correct first intervention for a client with rheumatoid arthritis reporting increasing fatigue is to assess the client for pallor. Fatigue can be a sign of anemia or other complications; assessing for pallor can help determine if anemia is the cause. Option A is incorrect as it does not address the underlying cause of fatigue. Option B assumes the cause without further assessment. Option D is important for overall health but assessing for pallor takes precedence to identify immediate issues related to fatigue.
3. The nurse is assessing a first-day postpartum client. Which finding is most indicative of a postpartum infection?
- A. Oral temperature of 100.2°F (37.9°C)
- B. Blood pressure of 122/74 mmHg
- C. Moderate amount of foul-smelling lochia
- D. White blood count of 19,000/mm³ (19x10^9/L SI units)
Correct answer: C
Rationale: A foul-smelling lochia is indicative of a postpartum infection, such as endometritis. Foul-smelling lochia suggests the presence of infection due to the breakdown of tissue by bacteria, leading to the malodor. An oral temperature elevation and an elevated white blood cell count are nonspecific and can be present in various conditions other than postpartum infections, making them less indicative. A blood pressure within normal limits is not typically associated with postpartum infections.
4. A woman at 24-weeks gestation who has fever, body aches, and has been coughing for the last 5 days is sent to the hospital with admission prescriptions for H1N1 influenza. Which action has the highest priority?
- A. Administer Ringer's Lactate IV 125ml/8 hours
- B. Obtain specimens for cultures
- C. Assign a private room
- D. Monitor vital signs q4 hours
Correct answer: C
Rationale: Assigning a private room has the highest priority in this scenario. It helps prevent the spread of H1N1 influenza to other patients and protects both the patient and others from potential infection. Obtaining specimens for cultures and monitoring vital signs are important but do not address the immediate need to prevent the spread of the virus. Administering Ringer's Lactate IV is not the priority in this case as it does not directly address the infectious nature of the condition.
5. Identify the placement of the stapes footplate into the bony labyrinth.
- A. Fenestra vestibuli
- B. Fenestra cochleae
- C. Tympanic membrane
- D. Round window
Correct answer: A
Rationale: The correct answer is A: Fenestra vestibuli. The stapes footplate is placed into the fenestra vestibuli of the bony labyrinth. This structure is also known as the oval window and is located at the junction of the middle ear and inner ear. Choice B, Fenestra cochleae, is incorrect as this opening is also known as the round window and is located near the base of the cochlea. Choice C, Tympanic membrane, is incorrect as it is also known as the eardrum and separates the external ear from the middle ear. Choice D, Round window, is incorrect as it is the opening covered by the secondary tympanic membrane and is important for the dissipation of sound waves in the cochlea.
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