ATI RN
Fluid and Electrolytes ATI Questions
Question 1 of 5
The triage nurse notes upon assessment in the emergency room that the patient with anxiety is hyperventilating. The nurse is aware that hyperventilation is the most common cause of which acid-base imbalance?
Correct Answer: B
Rationale: The most common cause of acute respiratory alkalosis is hyperventilation. Extreme anxiety can lead to hyperventilation.
Question 2 of 5
A patient who is in renal failure partially loses the ability to regulate changes in pH because the kidneys:
Correct Answer: C
Rationale: The kidneys regulate the bicarbonate level in the ECF; they can regenerate bicarbonate ions as well as reabsorb them from the renal tubular cells. In respiratory acidosis and most cases of metabolic acidosis, the kidneys excrete hydrogen ions and conserve bicarbonate ions to help restore balance.
Question 3 of 5
Which of the following might the nurse assess in a patient diagnosed with hypermagnesemia?
Correct Answer: A
Rationale: To gauge a patient's magnesium status, the nurse should check deep tendon reflexes. If the reflex is absent, this may indicate high serum magnesium.
Question 4 of 5
The renin and angiotensin systems help to maintain the balance of sodium and water in the body. What other functions do these systems serve?
Correct Answer: B
Rationale: The renin and angiotensin systems help to maintain the balance of sodium and water in the body and maintain healthy blood volumes.
Question 5 of 5
What would be the best initial nursing actions prior to inserting an IV?
Correct Answer: C
Rationale: Prior to initiating an IV, the nurse should verify the physician's order for IV therapy.
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