ATI RN
ATI Fluid Electrolyte and Acid-Base Regulation
1. 1.A nurse prepares to insert a peripheral venous catheter in an older adult client. Which action should the nurse take to protect the clients skin during this procedure?
- A. Lower the extremity below the level of the heart.
- B. Apply warm compresses to the extremity.
- C. Tap the skin lightly and avoid slapping.
- D. Place a washcloth between the skin and tourniquet
Correct answer: D
Rationale:
2. 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.
3. Which organ has the greatest effect on fluid output?
- A. Kidneys
- B. Lungs
- C. Skin
- D. Intestines
Correct answer: A
Rationale: The correct answer is the kidneys. The kidneys are primarily responsible for regulating fluid balance by filtering blood and adjusting the volume and concentration of urine. The lungs primarily regulate gas exchange, not fluid balance. The skin plays a role in temperature regulation and protection but is not the primary organ for fluid output. The intestines are mainly involved in the absorption of nutrients and water, rather than fluid output.
4. You are performing an admission assessment on an older adult patient newly admitted for end-stage liver disease. What principle should guide your assessment of the patients skin turgor?
- A. Overhydration is common among healthy older adults.
- B. Dehydration causes the skin to appear spongy
- C. Inelastic skin turgor is a normal part of aging
- D. Skin turgor cannot be assessed in patients over 70.
Correct answer: C
Rationale:
5. The nurse assessing skin turgor in an elderly patient should remember that:
- A. Overhydration causes the skin to tent.
- B. Dehydration causes the skin to appear edematous and spongy.
- C. Inelastic skin turgor is a normal part of aging.
- D. Normal skin turgor is moist and boggy.
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. Choice A is incorrect because overhydration does not cause the skin to tent; it is dehydration that leads to tenting. Choice B is incorrect because dehydration, not overhydration, causes the skin to appear edematous and spongy. Choice D is incorrect because normal skin turgor is dry and firm, not moist and boggy.
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