ATI RN
ATI Fluid and Electrolytes
1. 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 patient's 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: Inelastic skin is a normal change of aging. However, this does not mean that skin turgor cannot be assessed in older patients. Dehydration, not overhydration, causes inelastic skin with tenting. Overhydration, not dehydration, causes the skin to appear edematous and spongy. Choice A is incorrect because overhydration is not common among healthy older adults. Choice B is incorrect because dehydration leads to inelastic skin, not sponginess. Choice D is incorrect as skin turgor assessment can be done in patients of any age, including those over 70.
2. When planning the care of a patient with a fluid imbalance, the nurse understands that in the human body, water and electrolytes move from the arterial capillary bed to the interstitial fluid. What causes this to occur?
- A. Active transport of hydrogen ions across the capillary walls
- B. Pressure of the blood in the renal capillaries
- C. Action of the dissolved particles contained in a unit of blood
- D. Hydrostatic pressure resulting from the pumping action of the heart
Correct answer: D
Rationale:
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. A nurse is caring for a client with a peripheral vascular access device who is experiencing pain, redness, and swelling at the site. After removing the device, which action should the nurse take to relieve pain?
- A. Administer topical lidocaine to the site.
- B. Place warm compresses on the site.
- C. . Administer prescribed oral pain medication.
- D. Massage the site with scented oils.
Correct answer: B
Rationale:
5. A nurse is planning care for a client who is hyperventilating. The clients arterial blood gas values are pH 7.30, PaO2 94 mm Hg, PaCO2 31 mm Hg, and HCO3 26 mEq/L. Which question should the nurse ask when developing this clients plan of care?
- A. Do you take any over-the-counter medications?
- B. You appear anxious. What is causing your distress?
- C. Do you have a history of anxiety attacks?
- D. You are breathing fast. Is this causing you to feel light-headed?
Correct answer: B
Rationale:
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