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. Which client is at the greatest risk for developing delirium?
- A. An adult client who cannot sleep due to constant pain
- B. An older client who attempted suicide 1 month ago
- C. A young adult who takes antipsychotic medications twice a day
- D. A middle-aged woman who uses a tank for supplemental oxygen
Correct answer: B
Rationale: The correct answer is B because older adults are at higher risk for delirium, especially following a recent suicide attempt, which can be a significant stressor. Choice A is less likely to develop delirium solely due to difficulty sleeping; delirium is more complex and multifactorial. Choice C, a young adult taking antipsychotic medications, may be at risk for other conditions but not necessarily delirium. Choice D, a middle-aged woman using supplemental oxygen, is not directly linked to an increased risk of delirium compared to the older client who recently attempted suicide.
3. After assessing an older adult with a suspected cerebrovascular accident (CVA), the nurse documents the client's right upper arm weakness and slurred speech. When the client complains of a severe headache and nausea, and the neurological assessment remains unchanged, which action should the nurse implement first?
- A. Administer an oral analgesic with antiemetic
- B. Collect blood for coagulation times
- C. Send the client for a computed tomography scan of the brain
- D. Obtain a history of medication use, recent surgery, or injury
Correct answer: C
Rationale: In this scenario, the priority action for the nurse is to send the client for a computed tomography (CT) scan of the brain. A CT scan is crucial in assessing acute changes or bleeding that could influence treatment decisions in a suspected cerebrovascular accident (CVA). While addressing symptoms like headache and nausea is important, ruling out acute changes in the brain with a CT scan takes precedence in this situation. Collecting blood for coagulation times may be necessary but is not the initial priority. Obtaining a history of medication use, recent surgery, or injury is also important but not the first action to take when a CVA is suspected.
4. A college student brings a dorm roommate to the campus clinic because the roommate has been talking to someone who is not present. The client tells the nurse that her voices are saying, “Kill, Kill.” What question should the nurse ask the client next?
- A. When did these voices begin?
- B. Are you planning to obey the voices?
- C. Have you taken any hallucinogens?
- D. Do you believe the voices are real?
Correct answer: B
Rationale: Assessing whether the client has a plan to act on the voices is critical for evaluating the risk of harm. Asking if the client is planning to obey the voices helps determine the immediate safety concerns. While understanding when the voices began could provide insight into the situation, assessing the intent to act on them is more urgent. Asking about hallucinogen use may be relevant but does not address the immediate safety issue. Inquiring about the client's belief in the reality of the voices is important but does not address the immediate risk of harm.
5. A postpartum client who is bottle feeding develops breast engorgement. What is the best recommendation for the nurse to provide this client?
- A. Take a prescribed analgesic and expose breasts to air
- B. Place warm packs on both breasts
- C. Avoid stimulation of the breasts and wear a tight bra
- D. Express a small amount of breast milk by hand
Correct answer: C
Rationale: For a postpartum client who is bottle feeding and develops breast engorgement, the best recommendation is to avoid stimulation of the breasts and wear a tight bra. This helps reduce engorgement by decreasing blood flow to the breasts. Option A is incorrect because exposing the breasts to air can further stimulate them, worsening engorgement. Option B is incorrect as warm packs can increase blood flow and exacerbate engorgement. Option D is incorrect as expressing breast milk can lead to further stimulation and increased engorgement.
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