Nursing Elites

1. The nurse is caring for a patient who is taking trimethoprim-sulfamethoxazole (TMP-SMX). The nurse learns that the patient takes an angiotensin-converting enzyme (ACE) inhibitor. To monitor for drug interactions, the nurse will request an order for which laboratory test(s)?

• A. A complete blood count
• B. BUN and creatinine
• C. Electrolytes
• D. Glucose

Correct answer: C

Rationale: The correct answer is 'C. Electrolytes.' When trimethoprim-sulfamethoxazole (TMP-SMX) is taken with an ACE inhibitor, there is an increased risk of hyperkalemia due to the combined effects on potassium levels. Monitoring electrolytes, specifically potassium, is essential to detect and manage this potential drug interaction. Choices A, B, and D are incorrect because while they are important tests in general patient care, they are not specifically indicated to monitor for the drug interaction between TMP-SMX and ACE inhibitors.

2. A nurse is suctioning a client through a tracheostomy tube. During the procedure, the client begins to cough, and the nurse hears a wheeze. The nurse tries to remove the suction catheter from the client’s trachea but is unable to do so. What should the nurse do first?

• A. Call a code
• B. Contact the physician
• C. Administer a bronchodilator
• D. Disconnect the suction source from the catheter

Correct answer: D

Rationale: Inability to remove a suction catheter is a critical situation that may indicate the presence of bronchospasm and bronchoconstriction, as evidenced by the client coughing and wheezing. The immediate action for the nurse is to disconnect the suction source from the catheter, allowing the catheter to remain in the trachea. By doing so, the nurse can then connect the oxygen source to the catheter to provide essential oxygenation to the client. Contacting the physician is necessary to notify them of the situation and to obtain further orders, typically for an inhaled bronchodilator to relieve the bronchospasm. Administering a bronchodilator without physician's orders is not within the nurse's scope of practice and should not be the first action. Calling a code would be excessive at this point and should only be done if the client's condition deteriorates and immediate resuscitation is required.

3. A serum phenytoin determination is prescribed for a client with a seizure disorder who is taking phenytoin (Dilantin). Which result indicates that the prescribed dose of phenytoin is therapeutic?

• A. 3 mcg/mL
• B. 8 mcg/mL
• C. 16 mcg/mL
• D. 28 mcg/mL

Correct answer: C

Rationale: The correct answer is 16 mcg/mL (Choice C). The therapeutic serum phenytoin range is typically 10 to 20 mcg/mL. A level below this range may lead to continued seizure activity, indicating subtherapeutic levels. Choices A, B, and D are below the therapeutic range and would not be considered therapeutic for a client with a seizure disorder on phenytoin therapy.

4. During an assessment on a patient brought to the emergency department for treatment for dehydration, the nurse notes a respiratory rate of 26 breaths/minute, a heart rate of 110 beats/minute, a blood pressure of 86/50 mm Hg, and a temperature of 39.5° C. The patient becomes dizzy when transferred from the wheelchair to a bed. The nurse observes cool, clammy skin. Which diagnosis does the nurse suspect?

• A. Fluid volume deficit (FVD)
• B. Fluid volume excess (FVE)
• C. Mild extracellular fluid (ECF) deficit
• D. Renal failure

Correct answer: A

Rationale: The nurse should suspect Fluid Volume Deficit (FVD) in this patient. Signs of FVD include elevated temperature, tachycardia, tachypnea, hypotension, orthostatic hypotension, and cool, clammy skin, which align with the patient's assessment findings. Choices B, C, and D are incorrect. Fluid Volume Excess (FVE) typically presents with bounding pulses, elevated blood pressure, dyspnea, and crackles. Mild extracellular fluid (ECF) deficit usually manifests as thirst. Renal failure commonly results in Fluid Volume Excess (FVE) rather than Fluid Volume Deficit (FVD).

5. Which of the following conditions is the most significant risk factor for the development of type 2 diabetes mellitus?

• A. Cigarette smoking.
• B. High-cholesterol diet.
• C. Obesity.
• D. Hypertension.

Correct answer: C

Rationale: Obesity is the most significant risk factor for developing type 2 diabetes mellitus due to its role in insulin resistance. Excess body fat, especially around the abdomen, leads to increased production of inflammatory markers and hormones that can cause insulin resistance. While cigarette smoking, high-cholesterol diet, and hypertension can contribute to health issues, they are not as directly linked to the development of type 2 diabetes mellitus as obesity.

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