NCLEX-RN
NCLEX RN Practice Questions Exam Cram
1. A physician suspects a patient may have pancreatitis. Which of the following tests would be most appropriate to diagnose this condition?
- A. CK and Troponin
- B. BUN and Creatinine
- C. Amylase and Lipase
- D. HDL and LDL Cholesterol Levels
Correct answer: C
Rationale: To diagnose pancreatitis, testing amylase and lipase levels is crucial. Amylase and lipase are enzymes produced by the pancreas that help digest carbohydrates and lipids. In pancreatitis, these enzymes are released in high amounts into the bloodstream due to pancreatic inflammation or damage. Elevated levels of amylase and lipase in blood tests strongly indicate pancreatitis. Choice A, CK and Troponin, are cardiac markers used in diagnosing heart conditions like myocardial infarction, not pancreatitis. Choice B, BUN and Creatinine, are kidney function tests, not specific to pancreatitis. Choice D, HDL and LDL Cholesterol Levels, are lipid profile tests used to assess cardiovascular health, not for diagnosing pancreatitis.
2. A diabetic patient's arterial blood gas (ABG) results are pH 7.28; PaCO2 34 mm Hg; PaO2 85 mm Hg; HCO3 18 mEq/L. The nurse would expect which finding?
- A. Intercostal retractions
- B. Kussmaul respirations
- C. Low oxygen saturation (SpO2)
- D. Decreased venous O2 pressure
Correct answer: B
Rationale: Kussmaul respirations (deep and rapid) are a compensatory mechanism for metabolic acidosis. The low pH and low bicarbonate levels indicate metabolic acidosis. Intercostal retractions, low oxygen saturation, and decreased venous O2 pressure are not associated with acidosis. Intercostal retractions typically occur in respiratory distress, while low oxygen saturation and decreased venous O2 pressure are more related to respiratory or circulatory issues, not metabolic acidosis.
3. The nurse is planning discharge instructions for the mother of a child following orchiopexy, which was performed on an outpatient basis. Which is a priority in the plan of care?
- A. Wound care
- B. Pain control measures
- C. Measurement of intake
- D. Cold and heat applications
Correct answer: A
Rationale: Following orchiopexy, the priority in the plan of care for the child's mother is wound care. The most common complications associated with orchiopexy are bleeding and infection. Discharge instructions should focus on demonstrating wound cleansing and dressing, and teaching parents to recognize signs of infection like redness, warmth, swelling, or discharge. It is crucial to prevent movement of the testicles and avoid contamination of the suture line. While analgesics may be prescribed, pain control measures are not the priority among the options presented. Measurement of intake is not essential as the child is likely to resume normal eating habits. Cold and heat applications are not typical prescribed treatments for post-orchiopexy care.
4. A home care nurse instructs the mother of a 5-year-old child with lactose intolerance about dietary measures for her child. The nurse should tell the mother that it is necessary to provide which dietary supplement in the child's diet?
- A. Fats
- B. Zinc
- C. Protein
- D. Calcium
Correct answer: D
Rationale: In lactose intolerance, the inability to digest lactose, the sugar in dairy products, can lead to calcium deficiency if dairy products are removed from the diet. Calcium is crucial for bone health and other bodily functions, so alternative calcium sources like fortified non-dairy milks or leafy greens must be included to prevent deficiency. While fats and proteins are important nutrients, they are not typically deficient in lactose intolerance. Zinc, although an essential mineral, is not the primary concern in this case.
5. A patient with bacterial pneumonia has rhonchi and thick sputum. What is the nurse's most appropriate action to promote airway clearance?
- A. Assist the patient to splint the chest when coughing.
- B. Teach the patient about the need for fluid intake.
- C. Encourage the patient to wear the nasal oxygen cannula.
- D. Instruct the patient on the pursed lip breathing technique.
Correct answer: A
Rationale: Assisting the patient to splint the chest when coughing is the most appropriate action to promote airway clearance in a patient with bacterial pneumonia, rhonchi, and thick sputum. Splinting the chest helps reduce pain during coughing and increases the effectiveness of clearing secretions. Teaching the patient about the need for fluid intake is important as it helps liquefy secretions, aiding in easier clearance. Encouraging the patient to wear a nasal oxygen cannula may improve gas exchange but does not directly promote airway clearance. Instructing the patient on the pursed lip breathing technique is beneficial for improving gas exchange in patients with COPD but does not directly aid in airway clearance in a patient with bacterial pneumonia and thick sputum.
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