HESI RN
HESI RN Exit Exam 2023
1. A client with diabetes mellitus is admitted with a blood glucose level of 600 mg/dl and is unresponsive. Which laboratory value is most concerning?
- A. Serum potassium of 3.0 mEq/L
- B. Serum glucose of 200 mg/dl
- C. Serum pH of 7.30
- D. Serum sodium of 135 mEq/L
Correct answer: C
Rationale: In a client with Hyperosmolar Hyperglycemic State (HHS), a serum pH of 7.30 is the most concerning value as it indicates acidosis, a life-threatening condition that requires immediate intervention. Choices A, B, and D are not the most concerning in this scenario. A low serum potassium level (Choice A) may be expected due to cellular shift in hyperglycemia, a serum glucose level of 200 mg/dl (Choice B) is not as concerning compared to the extremely high initial glucose level, and a serum sodium level of 135 mEq/L (Choice D) is within the normal range and not the immediate priority.
2. Which class of drugs is the only source of a cure for septic shock?
- A. Antihypertensives
- B. Anti-infectives
- C. Antihistamines
- D. Anticholesteremics
Correct answer: B
Rationale: The correct answer is B: Anti-infectives. Anti-infective agents, such as antibiotics, are essential in treating septic shock as they can eliminate bacteria and halt the progression of the condition by stopping the production of endotoxins. Antihypertensives (Choice A) are used to lower blood pressure, antihistamines (Choice C) are used to treat allergic reactions, and anticholesteremics (Choice D) are used to lower cholesterol levels. However, none of these drug classes directly address the bacterial infection that underlies septic shock.
3. A client with a history of chronic obstructive pulmonary disease (COPD) is admitted with an exacerbation. Which laboratory value should be monitored closely?
- A. Arterial blood gas (ABG) values
- B. Serum potassium level
- C. Serum sodium level
- D. Serum magnesium level
Correct answer: B
Rationale: The correct answer is B: Serum potassium level. In COPD, especially when the client is receiving diuretics or corticosteroids, monitoring serum potassium levels is crucial. These medications can lead to potassium loss, potentially causing hypokalemia. Arterial blood gas (choice A) values are important in assessing respiratory status but are not the primary concern related to medication side effects. Serum sodium (choice C) and magnesium (choice D) levels are also important, but in the context of COPD exacerbation and medication effects, potassium monitoring takes precedence.
4. During the initial visit, which intervention is most important for the nurse to implement?
- A. Determine how the client is cared for when the caregiver is not present.
- B. Develop a client needs assessment and review it with the caregiver.
- C. Evaluate the caregiver's ability to care for the client's needs.
- D. Review with the caregiver the interventions provided each day.
Correct answer: A
Rationale: The most important intervention for the nurse to implement during the initial visit is to determine how the client is cared for when the caregiver is not present. This is crucial for ensuring continuous and adequate care, especially for a bed-bound client with multiple sclerosis who relies heavily on the caregiver. While developing a client needs assessment (choice B) and evaluating the caregiver's ability (choice C) are important, understanding the care plan in the caregiver's absence takes precedence. Reviewing daily interventions with the caregiver (choice D) is valuable but not as critical as knowing the care plan during the caregiver's absence.
5. A healthcare provider is assessing a client with a history of hypertension who is currently taking a diuretic. Which assessment finding is most important to report to the healthcare provider?
- A. Potassium level of 3.2 mEq/L
- B. Blood pressure of 148/90 mmHg
- C. Pulse rate of 62 beats per minute
- D. Blood glucose level of 130 mg/dl
Correct answer: A
Rationale: A potassium level of 3.2 mEq/L is low and places the client at risk for cardiac arrhythmias, requiring immediate intervention. Hypokalemia can result from diuretic use and can lead to serious complications such as irregular heart rhythms. Monitoring and correcting potassium levels are crucial in preventing adverse cardiac events. The other options, though important, do not pose an immediate life-threatening risk compared to the low potassium level.
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