Nursing Elites

1. A nurse assesses a client who has a radial artery catheter. Which assessment should the nurse complete first?

• A. . Amount of pressure in fluid container
• B. Date of catheter tubing change
• C. Percent of heparin in infusion container
• D. . Presence of an ulnar pulse

Correct answer: D

Rationale:

2. A nurse is assessing clients for fluid and electrolyte imbalances. Which client should the nurse assess first for potential hyponatremia?

• A. A 34-year-old on NPO status who is receiving intravenous D5W
• B. A 50-year-old with an infection who is prescribed a sulfonamide antibiotic
• C. A 67-year-old who is experiencing pain and is prescribed ibuprofen (Motrin)
• D. A 73-year-old with tachycardia who is receiving digoxin (Lanoxin)

Correct answer: A

Rationale: The correct answer is the 34-year-old on NPO status receiving intravenous D5W because D5W is a hypotonic solution that can dilute the blood's sodium levels, leading to hyponatremia. Patients on NPO status rely solely on intravenous fluids for hydration, making them more susceptible to electrolyte imbalances. Choices B, C, and D are less likely to cause hyponatremia. Choice B, the 50-year-old with an infection on a sulfonamide antibiotic, is at risk for allergic reactions or renal issues. Choice C, the 67-year-old taking ibuprofen, is at risk for gastrointestinal bleeding or kidney problems. Choice D, the 73-year-old on digoxin with tachycardia, is more likely to experience digoxin toxicity, affecting the heart's rhythm.

3. 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.

4. Which negative ion is most abundant in blood plasma?

• A. Bicarbonate
• B. Chloride
• C. Hydroxide
• D. Phosphate

Correct answer: B

Rationale: Chloride (Cl-) is the most abundant anion in blood plasma. It plays a crucial role in maintaining osmotic balance and acid-base homeostasis. Bicarbonate (Choice A) is important for buffering acids in the body but is not the most abundant negative ion in blood plasma. Hydroxide (Choice C) is not typically found in high concentrations in blood plasma. Phosphate (Choice D) is an important anion in the body but is not as abundant as chloride in blood plasma.

5. When considering overhydration:

• A. occurs less often than dehydration.
• B. can strain the kidneys.
• C. can be caused by giving intravenous fluids too rapidly.
• D. less common than dehydration.

Correct answer: C

Rationale: The correct answer is C. Overhydration can occur when intravenous fluids are administered too quickly, overwhelming the body's ability to excrete the excess fluid. Choices A, B, and D are incorrect. Choice A is incorrect because overhydration is less common than dehydration. Choice B is incorrect because while overhydration can strain the kidneys, it is not due to the burden being too heavy. Choice D is incorrect because dehydration is more common than overhydration.

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