Nursing Elites

1. What ECG changes are seen with hyperkalemia?

• A. Flattened T waves
• B. Elevated ST segments
• C. Prominent U waves
• D. Widened QRS complex

Correct answer: A

Rationale: Flattened T waves are an early ECG sign of hyperkalemia. Hyperkalemia affects the repolarization phase of the cardiac action potential, leading to changes such as peaked T waves, prolonged PR interval, widened QRS complex, and ultimately sine wave pattern. Elevated ST segments, prominent U waves, and widened QRS complex are not typically associated with hyperkalemia, making choices B, C, and D incorrect.

2. A patient who experienced an acute episode of gastritis should avoid which type of foods?

• A. Avoid foods high in potassium
• B. Avoid foods high in sodium
• C. Increase exercise
• D. Drink milk as a snack

Correct answer: A

Rationale: Patients who have experienced an acute episode of gastritis should avoid foods high in potassium. Potassium-rich foods can irritate the gastric lining, exacerbating gastritis symptoms. Therefore, choices B, C, and D are incorrect. Avoiding foods high in sodium is beneficial for other health conditions like hypertension, increasing exercise is generally good for overall health but not specifically for gastritis management, and drinking milk may provide temporary relief for some but is not a definitive recommendation for gastritis management.

3. What is the first medication to administer to a patient experiencing wheezing due to an allergic reaction?

• A. Albuterol via nebulizer
• B. Methylprednisolone 100 mg IV
• C. Cromolyn 20 mg via nebulizer
• D. Aminophylline 500 mg IV

Correct answer: A

Rationale: The correct answer is A, Albuterol via nebulizer. Albuterol is the first-choice medication for wheezing due to its fast-acting bronchodilatory effect, which helps in relieving the symptoms quickly. Choice B, Methylprednisolone 100 mg IV, is a corticosteroid used for its anti-inflammatory effects and would be beneficial in reducing inflammation in allergic reactions but is not the first-line treatment for wheezing. Choice C, Cromolyn 20 mg via nebulizer, is a mast cell stabilizer used to prevent asthma attacks but is not the immediate treatment for wheezing during an allergic reaction. Choice D, Aminophylline 500 mg IV, is a bronchodilator but is not typically the initial medication of choice for wheezing in an allergic reaction.

4. A nurse is caring for a client who has syndrome of inappropriate antidiuretic hormone (SIADH) and is receiving 3% sodium chloride via continuous IV. Which of the following laboratory findings should the nurse identify as an indication that the SIADH is resolving?

• A. Urine specific gravity 1.020
• B. Sodium 119 mEq/L
• C. BUN 8 mg/dL
• D. Calcium 8.7 mg/dL

Correct answer: A

Rationale: A urine specific gravity of 1.020 is within the expected reference range and indicates that the kidneys are appropriately concentrating urine, which is a sign that the syndrome of inappropriate antidiuretic hormone (SIADH) is resolving. A low sodium level (choice B) is associated with SIADH, so a sodium level of 119 mEq/L is not indicative of resolution. BUN (choice C) and calcium levels (choice D) are typically not directly related to SIADH resolution.

5. What medication should be given first to a patient experiencing wheezing and coughing due to an allergic reaction?

• A. Albuterol 3 ml via nebulizer
• B. Cromolyn via nebulizer
• C. Aminophylline IV
• D. Methylprednisolone 100 mg IV

Correct answer: A

Rationale: The correct answer is Albuterol 3 ml via nebulizer. Albuterol is a bronchodilator that helps relieve wheezing and coughing by opening up the airways, making it the first-line treatment for allergic reactions presenting with these symptoms. Cromolyn and aminophylline are not typically used as first-line treatments for acute allergic reactions with wheezing and coughing. Methylprednisolone, a corticosteroid, may be beneficial for inflammation in the setting of an allergic reaction but is not the initial medication of choice to address wheezing and coughing.

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