ATI RN
Fluid and Electrolytes ATI
1. What electrolyte value should be monitored when a patient is receiving a loop diuretic?
- A. Calcium levels
- B. Phosphorus levels
- C. Potassium levels
- D. Magnesium levels
Correct answer: C
Rationale: When a patient is receiving a loop diuretic like furosemide (Lasix), potassium levels should be monitored closely. Loop diuretics act on the ascending loop of Henle to inhibit the reabsorption of sodium and water, leading to potassium loss. Monitoring potassium levels is crucial to prevent hypokalemia, which can result in serious complications such as cardiac arrhythmias. Calcium levels (Choice A), phosphorus levels (Choice B), and magnesium levels (Choice D) are not typically affected directly by loop diuretics and do not require routine monitoring in this context.
2. You are called to your patients room by a family member who voices concern about the patients status. On assessment, you find the patient tachypnic, lethargic, weak, and exhibiting a diminished cognitive ability. You also find 3+ pitting edema. What electrolyte imbalance is the most plausible cause of this patients signs and symptoms?
- A. Hypocalcemia
- B. Hyponatremia
- C. Hyperchloremia
- D. Hypophosphatemia
Correct answer: Hyperchloremia
Rationale:
3. A client is being taught how to perform self-catheterization. Which of the following instructions should the nurse include?
- A. Clean the catheter with alcohol after each use.
- B. Perform self-catheterization while sitting on the toilet.
- C. Use a new catheter each time you perform self-catheterization.
- D. Lubricate the catheter tip with petroleum jelly before insertion.
Correct answer: C
Rationale: The correct answer is C: 'Use a new catheter each time you perform self-catheterization.' It is essential to use a new, sterile catheter each time to prevent infection during the procedure. Choice A is incorrect because cleaning the catheter with alcohol may not be sufficient to prevent infection. Choice B is incorrect because self-catheterization is typically done in a clean, private area, not necessarily on the toilet. Choice D is incorrect because lubricating the catheter tip with petroleum jelly is a common practice but not as crucial as using a new catheter each time to prevent infection.
4. The nurse is giving nitroglycerin sublingually for chest pain. What is the most important instruction to give to the client?
- A. Place the tablet under the tongue and let it dissolve completely.
- B. Swallow the tablet whole with a glass of water.
- C. Chew the tablet and then swallow it.
- D. Take one tablet every 5 minutes until pain is relieved.
Correct answer: A
Rationale: The correct answer is A. The tablet should be placed under the tongue and allowed to dissolve completely to ensure rapid absorption. This route of administration allows the medication to be quickly absorbed into the bloodstream. Choice B is incorrect because nitroglycerin is meant to be absorbed sublingually, not swallowed. Choice C is incorrect as chewing the tablet can cause the medication to be rapidly absorbed, leading to adverse effects like a drop in blood pressure. Choice D is incorrect because the client should take only one tablet every 5 minutes up to a maximum of three tablets for chest pain relief.
5. A teacher states to the school nurse, 'I have a student who will often just stare at me for 15 seconds after asking a question; then the student blinks and asks me to repeat the question. Should I be concerned?' Which should the nurse include in the response to the teacher?
- A. The child has a crush on the teacher.
- B. The child has increased intracranial pressure.
- C. The child may have had a head injury.
- D. The child is experiencing absence seizures.
Correct answer: D
Rationale: Staring spells that end abruptly and are followed by normal activity are indicative of absence seizures. In absence seizures, a child may exhibit staring spells, brief loss of awareness, and lack of responsiveness, which can last for a few seconds. Choice A is incorrect because the behavior described is not associated with having a crush. Choice B is incorrect as increased intracranial pressure usually presents with other symptoms. Choice C is less likely as a head injury would typically manifest with additional signs beyond just staring and blinking.
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