Nursing Elites

1. Following mitral valve replacement surgery, a client develops PVCs. The healthcare provider orders a bolus of Lidocaine followed by a continuous Lidocaine infusion at a rate of 2 mg/minute. The IV solution contains 2 grams of Lidocaine in 500 mL of D5W. The infusion pump delivers 60 microdrops/mL. What rate would deliver 4 mg of Lidocaine per minute?

• A. 60 microdrops/minute
• B. 20 microdrops/minute
• C. 30 microdrops/minute
• D. 40 microdrops/minute

Correct answer: A

Rationale: To calculate the rate needed to deliver 4 mg/minute of Lidocaine, first, convert 2 grams to milligrams: 2 grams = 2000 mg. Then, set up a ratio between the total amount of Lidocaine (2000 mg) and the total volume of IV solution (500 mL): 2000 mg / 500 mL = 4 mg / x mL. Solving for x, x = 1 mL. Since the infusion pump delivers 60 microdrops per mL, multiplying by 60 microdrops/mL gives the correct rate of 60 microdrops/minute. This rate ensures the desired 4 mg of Lidocaine is delivered per minute. Choices B, C, and D are incorrect as they do not align with the accurate calculation based on the provided information.

2. The nurse is preparing to care for a child with a diagnosis of intussusception. The nurse reviews the child's record and expects to note which sign of this disorder documented?

• A. Watery diarrhea
• B. Ribbon-like stools
• C. Profuse projectile vomiting
• D. Bright red blood and mucus in the stools

Correct answer: D

Rationale: Intussusception is a condition where a part of the bowel slides into the next section, causing an obstruction. The classic presentation includes severe abdominal pain that is crampy, intermittent, and may cause the child to draw knees to the chest. While vomiting can occur, it is not typically projectile in nature. A key hallmark of intussusception is the passage of bright red blood and mucus in the stools, often described as currant jelly-like. Watery diarrhea and ribbon-like stools are not typical signs of intussusception and should not be expected in a child with this condition.

3. During the admission assessment of a client with chronic bilateral glaucoma, which statement by the client would the nurse anticipate due to this condition?

• A. "I have constant blurred vision."?
• B. "I can't see on my left side."?
• C. "I have to turn my head to see my room."?
• D. "I have specks floating in my eyes."?

Correct answer: C

Rationale: In chronic bilateral glaucoma, peripheral visual field loss occurs due to elevated intraocular pressure, leading to the need to turn the head to compensate for the visual field deficit. This symptom is characteristic of advanced glaucoma. Choice A is incorrect as constant blurred vision is a common symptom but not specific to peripheral vision loss in glaucoma. Choice B is incorrect because specific visual field deficits are more common than complete loss on one side. Choice D is incorrect as seeing floaters (specks floating in the eyes) is associated with other eye conditions like posterior vitreous detachment, not glaucoma.

4. The laboratory has just called with the arterial blood gas (ABG) results on four patients. Which result is most important for the nurse to report immediately to the health care provider?

• A. pH 7.34, PaO2 82 mm Hg, PaCO2 40 mm Hg, and O2 sat 97%
• B. pH 7.35, PaO2 85 mm Hg, PaCO2 45 mm Hg, and O2 sat 95%
• C. pH 7.46, PaO2 90 mm Hg, PaCO2 32 mm Hg, and O2 sat 98%
• D. pH 7.31, PaO2 91 mm Hg, PaCO2 50 mm Hg, and O2 sat 96%

Correct answer: D

Rationale: The correct answer is D: pH 7.31, PaO2 91 mm Hg, PaCO2 50 mm Hg, and O2 sat 96%. These ABG results indicate uncompensated respiratory acidosis, a critical condition that requires immediate attention. In respiratory acidosis, there is an excess of carbon dioxide in the blood, leading to a decrease in pH. The other options present normal or near-normal ABG values, indicating adequate oxygenation and ventilation. Therefore, these values would not be as urgent to report compared to the patient with respiratory acidosis in option D.

5. The nurse is caring for a 10-year-old on admission to the burn unit. One assessment parameter that will indicate that the child has adequate fluid replacement is:

• A. Urinary output of 30 ml per hour
• B. No complaints of thirst
• C. Increased hematocrit
• D. Good skin turgor around burn

Correct answer: A

Rationale: For a child of this age, this is adequate output, yet does not suggest overload. Disruption of sodium-ATPase activity presumably causes an intracellular sodium shift which contributes to hypovolemia and cellular edema. Heat injury also initiates the release of inflammatory and vasoactive mediators. These mediators are responsible for local vasoconstriction, systemic vasodilation, and increased transcapillary permeability. Increase in transcapillary permeability results in a rapid transfer of water, inorganic solutes, and plasma proteins between the intravascular and interstitial spaces.

Similar Questions