ATI RN
ATI Fluid Electrolyte and Acid-Base Regulation Questions
Question 1 of 5
A nurse educator is reviewing peripheral IV insertion with a group of novice nurses. How should these nurses be encouraged to deal with excess hair at the intended site?
Correct Answer: C
Rationale: The correct answer is C: Clip the hair in the area. Clipping the hair is the most appropriate option as it reduces the risk of infection during IV insertion by minimizing the presence of bacteria that may be trapped in the hair. Shaving (B) can cause micro-abrasions leading to increased infection risk. Leaving the hair intact (A) can also trap bacteria. Using a depilatory (D) can cause skin irritation and should be avoided. In summary, clipping the hair is the best option to maintain a clean and safe environment for IV insertion.
Question 2 of 5
A nurse teaches a client who is prescribed a central vascular access device. Which statement should the nurse include in this clients teaching?
Correct Answer: C
Rationale: Correct Answer: C Rationale: 1. Choice C is correct because it emphasizes the importance of cleaning connections before accessing the device to prevent infection. 2. Sterile technique during insertion cannot guarantee no risk of infection (Choice B). 3. Wearing a sling is unnecessary for a central vascular access device (Choice A). 4. The statement about not being able to take a bath is not accurate and is not a common restriction (Choice D).
Question 3 of 5
You are the nurse evaluating a newly admitted patients laboratory results, which include several values that are outside of reference ranges. Which of the following would cause the release of antidiuretic hormone (ADH)?
Correct Answer: A
Rationale: The correct answer is A: Increased serum sodium. High serum sodium levels trigger the release of antidiuretic hormone (ADH) from the pituitary gland to help retain water in the body and maintain fluid balance. This is a physiological response to prevent further dehydration. Decreased serum potassium (choice B), decreased hemoglobin (choice C), and increased platelets (choice D) do not directly stimulate the release of ADH. Hence, they are incorrect choices in this scenario.
Question 4 of 5
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?
Correct Answer: D
Rationale: Rationale: The correct answer is D. Hydrostatic pressure resulting from the pumping action of the heart causes water and electrolytes to move from the arterial capillary bed to the interstitial fluid. This occurs due to the force exerted by the heart's pumping action, pushing fluid out of the capillaries into the interstitial space. This process is known as filtration and is essential for maintaining fluid balance in the body. Summary of other choices: A: Active transport of hydrogen ions does not directly cause the movement of water and electrolytes between capillaries and interstitial fluid. B: The pressure in renal capillaries specifically relates to the kidneys, not the general movement of water and electrolytes in the body. C: The dissolved particles in blood do not directly contribute to the movement of water and electrolytes between capillaries and interstitial fluid.
Question 5 of 5
The nurse caring for a patient post colon resection is assessing the patient on the second postoperative day. The nasogastric tube (NG) remains patent and continues at low intermittent wall suction. The IV is patent and infusing at 125 mL/hr. The patient reports pain at the incision site rated at a 3 on a 0-to-10 rating scale. During your initial shift assessment, the patient complains of cramps in her legs and a tingling sensation in her feet. Your assessment indicates decreased deep tendon reflexes (DTRs) and you suspect the patient has hypokalemia. What other sign or symptom would you expect this patient to exhibit
Correct Answer: B
Rationale: The correct answer is B: Dilute urine. Hypokalemia can lead to kidney dysfunction, causing the kidneys to excrete more water along with electrolytes, resulting in dilute urine. This is a manifestation of the body's attempt to compensate for low potassium levels by excreting excess water. The other choices are incorrect because: A) Diarrhea is more commonly associated with hyperkalemia, not hypokalemia. C) Increased muscle tone is not a typical sign of hypokalemia; rather, hypokalemia can lead to muscle weakness or paralysis due to impaired muscle function. D) Joint pain is not a typical symptom of hypokalemia; joint pain is more commonly associated with other conditions such as arthritis or inflammation.
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