ATI RN
ATI Fluid and Electrolytes
1. Which hormones increase the amount of water in the body?
- A. ADH
- B. Aldosterone
- C. ANH
- D. ADH and aldosterone
Correct answer: D
Rationale: The correct answer is D, ADH and aldosterone. Both antidiuretic hormone (ADH) and aldosterone increase water retention by the kidneys, thereby increasing blood volume. ADH acts on the kidneys to increase water reabsorption, while aldosterone acts on the kidneys to promote sodium reabsorption, leading to water retention. Choice A, ADH, is partially correct as it alone increases water retention. Choice B, aldosterone, is also partially correct as it alone increases water retention. Choice C, ANH (atrial natriuretic hormone), actually decreases water retention by promoting sodium excretion and inhibiting aldosterone release.
2. A nurse is caring for clients with electrolyte imbalances on a medical-surgical unit. Which clinical manifestations are correctly paired with the contributing electrolyte imbalance? (Select all that do not apply.)
- A. Hypokalemia Flaccid paralysis with respiratory depression
- B. Hyperphosphatemia Paresthesia with sensations of tingling and numbness
- C. . Hyponatremia Decreased level of consciousness
- D.
Correct answer: B
Rationale:
3. What would be the best initial nursing action prior to inserting an IV?
- A. Instruct the patient to wash their hands.
- B. Prepare the IV insertion site with povidone iodine.
- C. Verify the order for IV therapy.
- D. Identify a suitable vein.
Correct answer: C
Rationale: The best initial nursing action prior to inserting an IV is to verify the order for IV therapy. This step ensures that the IV insertion is appropriate and necessary based on the physician's orders. Instructing the patient to wash their hands (Choice A) is important for infection control but not the immediate priority before IV insertion. While preparing the IV insertion site with povidone iodine (Choice B) and identifying a suitable vein (Choice D) are crucial steps in the process, confirming the order for IV therapy (Choice C) takes precedence to ensure the correct intervention is being performed.
4. What is the fluid that surrounds the cells called?
- A. plasma
- B. interstitial fluid
- C. intracellular fluid
- D. edema
Correct answer: B
Rationale: The correct answer is interstitial fluid. Interstitial fluid is the fluid that surrounds and fills the spaces between cells, facilitating nutrient and waste exchange. Plasma, referred to in choice A, is the liquid part of blood. Choice C, intracellular fluid, is the fluid inside cells. Choice D, edema, is an abnormal accumulation of fluid in interstitial spaces, causing swelling.
5. After teaching a client who was malnourished and is being discharged, a nurse assesses the clients understanding. Which statement indicates the client correctly understood teaching to decrease risk for the development of metabolic acidosis?
- A. I will drink at least three glasses of milk each day.
- B. . I will eat three well-balanced meals and a snack daily.
- C. . I will not take pain medication and antihistamines together.
- D. I will avoid salting my food when cooking or during meals.
Correct answer: A
Rationale:
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