HESI RN
HESI 799 RN Exit Exam Capstone
1. A client is scheduled for a colonoscopy and has been prescribed a bowel preparation. What is the most important instruction for the nurse to provide?
- A. Eat a low-fiber diet the day before the procedure
- B. Drink clear liquids 24 hours before the procedure
- C. Take the entire bowel preparation as directed
- D. Avoid all solid foods 12 hours before the procedure
Correct answer: C
Rationale: The most important instruction for the nurse to provide to a client scheduled for a colonoscopy and prescribed a bowel preparation is to take the entire bowel preparation as directed. Completing the entire bowel preparation as prescribed is crucial to ensure the colon is properly cleansed for the colonoscopy. Incomplete bowel prep can interfere with the visualization of the colon, leading to inaccurate results. Choices A, B, and D are important but not as crucial as ensuring the complete intake of the bowel preparation for an effective procedure.
2. A client with hyperthyroidism is admitted to the postoperative unit after a subtotal thyroidectomy. Which of the client's serum laboratory values requires intervention by the nurse?
- A. Blood glucose 90 mg/dL
- B. Sodium 138 mEq/L
- C. Total calcium 5.0 mg/dL
- D. Potassium 4.2 mEq/L
Correct answer: C
Rationale: A total calcium level of 5.0 mg/dL is critically low and indicates possible hypocalcemia, a common complication after thyroid surgery. This condition can lead to tetany and requires immediate intervention. Blood glucose within normal range, sodium, and potassium levels are not indicative of an immediate postoperative complication like hypocalcemia in this case.
3. A client with deep vein thrombosis (DVT) is prescribed heparin. What lab value should the nurse monitor to assess the effectiveness of the therapy?
- A. Prothrombin time (PT).
- B. Partial thromboplastin time (PTT).
- C. International Normalized Ratio (INR).
- D. Hemoglobin and hematocrit.
Correct answer: B
Rationale: The correct answer is B: Partial thromboplastin time (PTT). PTT is the lab value used to monitor the effectiveness of heparin therapy in clients with DVT. It measures the intrinsic pathway of coagulation and is prolonged by heparin therapy. Prothrombin time (PT) and International Normalized Ratio (INR) are primarily used to monitor warfarin therapy, not heparin. Checking hemoglobin and hematocrit levels is important but does not directly assess the effectiveness of heparin therapy in DVT.
4. During the admission assessment of a 3-year-old with bacterial meningitis and hydrocephalus, which assessment finding is evidence of increased intracranial pressure (ICP)?
- A. Low blood pressure
- B. Increased respiratory rate
- C. Normal pupil reaction
- D. Sluggish and unequal pupillary responses
Correct answer: D
Rationale: Sluggish and unequal pupillary responses are indicative of increased intracranial pressure (ICP) in a child with bacterial meningitis and hydrocephalus. This finding suggests that the optic nerve is being compressed due to increased ICP, causing a delay in pupillary reactions. Such a delay is a critical sign of worsening ICP and necessitates immediate intervention. Low blood pressure and increased respiratory rate can occur in various conditions but are less specific to increased ICP than sluggish and unequal pupillary responses, which directly reflect neurological compromise.
5. While caring for a client's postoperative dressing, the nurse observes purulent drainage at the wound. Before reporting this finding to the healthcare provider, the nurse should review which of the client's laboratory values?
- A. White blood cell count
- B. Hemoglobin
- C. Serum creatinine
- D. Culture for sensitive organisms
Correct answer: D
Rationale: Purulent drainage suggests an infection at the wound site. Reviewing the culture and sensitivity results will guide appropriate antibiotic treatment by identifying the causative organisms and their antibiotic sensitivities. Elevated white blood cells indicate infection but do not specify the organism. Creatinine and hemoglobin values are unrelated to wound infections.
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