HESI RN
HESI 799 RN Exit Exam Quizlet
1. A client with type 1 diabetes is admitted with diabetic ketoacidosis (DKA). Which laboratory value is most concerning?
- A. Serum glucose of 300 mg/dl
- B. Serum bicarbonate of 18 mEq/L
- C. Serum potassium of 5.5 mEq/L
- D. Serum sodium of 135 mEq/L
Correct answer: C
Rationale: A serum potassium level of 5.5 mEq/L is concerning in a client with DKA as it may indicate worsening hyperkalemia, requiring immediate intervention. Elevated serum potassium levels can lead to life-threatening cardiac arrhythmias. While elevated glucose and low bicarbonate are characteristic of DKA, hyperkalemia poses a higher immediate risk. Serum sodium within the normal range is not typically a primary concern in DKA.
2. A client with atrial fibrillation is receiving digoxin (Lanoxin) and warfarin (Coumadin). Which assessment finding should the nurse report to the healthcare provider immediately?
- A. Heart rate of 58 beats per minute
- B. Presence of a new murmur
- C. INR of 2.5
- D. Blood pressure of 110/70 mmHg
Correct answer: B
Rationale: The correct answer is B. The presence of a new murmur in a client with atrial fibrillation may indicate a valvular problem or other complications, requiring immediate reporting. A heart rate of 58 beats per minute is within the normal range for some individuals with atrial fibrillation, so it is not an immediate concern. An INR of 2.5 is within the therapeutic range for a client on warfarin, indicating appropriate anticoagulation. A blood pressure of 110/70 mmHg is also within the normal range and does not pose an immediate threat to the client's health.
3. The nurse is assessing a client with left-sided heart failure. Which finding is most concerning?
- A. Jugular venous distention
- B. Crackles in the lungs
- C. Shortness of breath
- D. Peripheral edema
Correct answer: C
Rationale: Shortness of breath is most concerning in a client with left-sided heart failure as it indicates pulmonary congestion, requiring immediate intervention. Jugular venous distention (Choice A) is a sign of increased central venous pressure but is not as concerning as pulmonary congestion. Crackles in the lungs (Choice B) are common in heart failure due to fluid accumulation but are not as immediately concerning as severe shortness of breath. Peripheral edema (Choice D) is a manifestation of fluid retention in the body but is less indicative of acute pulmonary distress compared to shortness of breath.
4. A client with hyperthyroidism who has not been responsive to medications is admitted for evaluation. What action should the nurse implement?
- A. Notify the healthcare provider.
- B. Review the client's medication history.
- C. Prepare the client for thyroid function tests.
- D. Initiate seizure precautions.
Correct answer: A
Rationale: In a scenario where a client with hyperthyroidism is not responding to medications, the nurse's priority action should be to notify the healthcare provider. This is important because the client may require immediate intervention, such as adjusting the treatment plan or exploring alternative therapies. Reviewing the client's medication history (choice B) may be relevant but not as urgent as involving the healthcare provider. While preparing the client for thyroid function tests (choice C) may be necessary as part of the evaluation process, it is not the most immediate action to take. Initiating seizure precautions (choice D) is not directly related to the non-responsiveness of medications in hyperthyroidism and is not a priority in this situation.
5. An older female client tells the nurse that her muscles have gradually been getting weaker over time. What is the best initial response by the nurse?
- A. Explain that this is an expected occurrence with aging.
- B. Observe the lower extremities for signs of muscle atrophy.
- C. Review the medical record for recent diagnostic test results.
- D. Ask the client to describe the changes that have occurred.
Correct answer: D
Rationale: The best initial response by the nurse should be to ask the client to describe the changes that have occurred. This open-ended question allows the nurse to gather valuable information directly from the client, aiding in assessing the situation accurately and formulating an appropriate care plan. Choice A is incorrect as assuming muscle weakness is an expected occurrence with aging without further assessment may overlook potential underlying issues. Choice B is premature as it jumps straight to physical examination without first gathering subjective data. Choice C is unnecessary at this point as reviewing diagnostic test results should come after initial assessment and data collection from the client.
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