Nokea
The nurse is evaluating a patient's laboratory results. Based upon the laboratory findings, what results will cause the release of an antidiuretic hormone (ADH)?
- A. Increased serum sodium
- B. Decreased serum sodium
- C. Decrease in serum osmolality
- D. Decrease in thirst
Correct Answer: A
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
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What would be the best initial nursing actions prior to inserting an IV?
- A. Have the patient wash the hands.
- B. Prepare the IV insertion site with povidone iodine.
- C. Verify the order for IV therapy.
- D. Identify a suitable vein.
Correct Answer: C
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
A patient with hypokalemia and heart failure is admitted to the telemetry unit. The nurse is aware that hypokalemia could cause which of the following abnormalities on an electrocardiogram (ECG)?
- A. Shortened P-R interval
- B. Inverted T wave
- C. Depressed U wave
- D. Elevated U wave
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
A 65-year-old male patient was admitted to a medical-surgical unit 72 hours ago with pyloric stenosis; a nasogastric tube was inserted upon admission and has been on low intermittent suction since then. The nurse taking care of the patient notices that his potassium is very low and becomes concerned that the patient may be at risk for:
- A. Hypercalcemia
- B. Metabolic acidosis
- C. Metabolic alkalosis
- D. Respiratory acidosis
Correct Answer: C
Rationale: Probably the most common cause of metabolic alkalosis is vomiting or gastric suction with loss of hydrogen and chloride ions. The disorder also occurs in pyloric stenosis in which only gastric fluid is lost. Vomiting, gastric suction, and pyloric stenosis all remove potassium and can cause hypokalemia.
Third spacing occurs when fluid moves out of the intravascular space but not into the intracellular space. Based upon this fluid shift, the nurse will expect the patient to demonstrate:
- A. Hypertension
- B. Bradycardia
- C. Hypervolemia
- D. Hypovolemia
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
A patient who is in renal failure partially loses the ability to regulate changes in pH because the kidneys:
- A. Regulate and reabsorb carbonic acid to change and maintain pH
- B. Buffer acids through electrolyte changes
- C. Regenerate and reabsorb bicarbonate to maintain a stable pH
- D. Combine carbonic acid and bicarbonate to maintain a stable pH
Correct Answer: C
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.