ATI RN
ATI Fluid Electrolyte and Acid-Base Regulation
1. A patient with a longstanding diagnosis of generalized anxiety disorder presents to the emergency room. The triage nurse notes upon assessment that the patient is hyperventilating. The triage nurse is aware that hyperventilation is the most common cause
- A. Respiratory acidosis
- B. Respiratory alkalosis
- C. Increased PaCO2
- D. CNS disturbances
Correct answer: B
Rationale:
2. Which of the following statements is correct?
- A. People with less body fat have more body water.
- B. Infants have more water per pound than adults.
- C. Females have more body water per pound than males.
- D. Infants have the same water content per pound as adults.
Correct answer: A
Rationale: The correct statement is that people with less body fat have more body water. This is because fat tissue contains less water compared to lean tissue, so individuals with less body fat generally have a higher percentage of body water. Choice B is incorrect as infants actually have more water per pound than adults due to their higher body water content. Choice C is incorrect as males typically have more body water per pound than females. Choice D is incorrect as infants have a higher water content per pound compared to adults.
3. Which electrolyte is important in the formation of the thyroid hormones?
- A. Sodium
- B. Iodine
- C. Iron
- D. Chloride
Correct answer: B
Rationale: Iodine is the correct answer because it is essential for the synthesis of thyroid hormones. The thyroid gland incorporates iodine into thyroid hormones such as thyroxine (T4) and triiodothyronine (T3). These hormones are crucial for regulating metabolism, growth, and development. Sodium, iron, and chloride are not directly involved in the formation of thyroid hormones, making them incorrect choices.
4. A nurse develops a plan of care for a client who has a history of hypocalcemia. What interventions should the nurse include in this clients care plan? (Select all that apply.)
- A. Use a draw sheet to reposition the client in bed.
- B. . Strain all urine output and assess for urinary stones.
- C. Provide nonslip footwear for the client to use when out of bed.
- D.
Correct answer: B
Rationale:
5. You are caring for a patient admitted with a diagnosis of acute kidney injury. When you review your patient's most recent laboratory reports, you note that the patient's magnesium levels are high. You should prioritize assessment for which of the following health problems?
- A. Diminished deep tendon reflexes
- B. Tachycardia
- C. Cool, clammy skin
- D. Acute flank pain
Correct answer: A
Rationale: Corrected Rationale: To assess a patient's magnesium status, the nurse should check deep tendon reflexes. Diminished deep tendon reflexes may indicate high serum magnesium levels, as hypermagnesemia can lead to neuromuscular effects. Tachycardia, cool clammy skin, and acute flank pain are not typically associated with high magnesium levels and are not priority assessments in this situation.
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