ATI RN
Fluid and Electrolytes ATI Questions
Question 1 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.
Question 2 of 5
The nurse in the intensive care unit receives arterial blood gases (ABG) with a patient who is complaining of being 'short of breath.' The ABG has the following values: pH = 7.21, PaCO2 = 64 mm Hg, HCO3 = 24 mm Hg. The labs reflect:
Correct Answer: A
Rationale: A pH of less than 7.40, a PaCO2 greater than 40, and an HCO3 of 24 are normal; therefore, it is a respiratory acidosis. Compensation by the kidneys has not begun, which indicates this was probably an acute event.
Question 3 of 5
Your patient has alcoholism, and you may suspect during your assessment that his serum magnesium is low. What will the nurse potentially expect to assess related to hypomagnesemia?
Correct Answer: A
Rationale: Signs and symptoms of hypomagnesemia are largely confined to the neuromuscular system and include confusion, tremor, tetany, laryngeal stridor, and ataxia.
Question 4 of 5
The nurse assessing skin turgor in an elderly patient should remember that:
Correct Answer: C
Rationale: Inelastic skin turgor is a normal part of aging. Dehydration, not overhydration, causes inelastic skin with tenting. Overhydration, not dehydration, causes the skin to appear edematous and spongy. Normal skin turgor is dry and firm.
Question 5 of 5
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)?
Correct Answer: A
Rationale: Increased serum sodium causes increased thirst and the release of ADH by the posterior pituitary gland.
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