Nursing Elites

1. Round off these numbers to the nearest tenth:

• A. 5.5778 = 5.6, 1.027 = 1.0, 62.999 = 63, 55.123 = 55.1, 96.676 = 96.7
• B. 5.5778 = 5.6, 1.027 = 1.0, 62.999 = 63, 55.123 = 55.1, 96.676 = 96.7
• C. 5.5778 = 5.6, 1.027 = 1.0, 62.999 = 63, 55.123 = 55.1, 96.676 = 96.7
• D. 5.5778 = 5.6, 1.027 = 1.0, 62.999 = 63, 55.123 = 55.1, 96.676 = 96.7

Correct answer: B

Rationale: The correct answer is B. When rounding off to the nearest tenth, 1.027 becomes 1.0 because the digit in the hundredth's place is less than 5. For the other numbers, they are rounded correctly to the nearest tenth: 5.5778 = 5.6, 62.999 = 63, 55.123 = 55.1, 96.676 = 96.7. Therefore, option B is the most accurate in rounding off these numbers to the nearest tenth. Choices A, C, and D are incorrect as they do not round 1.027 to 1.0 as required when rounding to the nearest tenth.

2. A patient is admitted to the emergency department with hypovolemia. Which IV solution should the nurse anticipate administering?

• A. 3% sodium chloride
• B. 10% dextrose in water
• C. 0.45% sodium chloride
• D. Lactated Ringer's solution

Correct answer: D

Rationale: Lactated Ringer's solution is the most suitable IV solution for a patient with hypovolemia. It is a balanced crystalloid solution containing electrolytes such as sodium, chloride, potassium, calcium, and lactate, which closely resemble the body's natural fluids. This solution helps to restore intravascular volume and electrolyte balance in hypovolemic patients. Choice A, 3% sodium chloride, is a hypertonic solution used for specific situations like severe hyponatremia or cerebral edema, not typically for hypovolemia. Choice B, 10% dextrose in water, is a hypertonic solution primarily used for providing calories and free water, not for volume expansion. Choice C, 0.45% sodium chloride, is a hypotonic solution used for conditions like hypernatremia or as maintenance fluid, not for hypovolemia.

3. What is the softening and thinning of the cervix during labor known as?

• A. Dilation
• B. Symphysis
• C. Effacement
• D. Hyperplasia

Correct answer: C

Rationale: Effacement is the correct term for the softening and thinning of the cervix during labor. It is the process where the cervix becomes thinner, allowing it to stretch and open as labor progresses. Choice A, 'Dilation,' is incorrect as it refers to the opening of the cervix. Choice B, 'Symphysis,' is incorrect as it refers to the joint that connects the two pubic bones. Choice D, 'Hyperplasia,' is incorrect as it refers to an increase in the number of cells in an organ or tissue.

4. A client is preparing for an elective mastectomy. The client is wearing a plain gold wedding band. Which of the following is an appropriate procedure for taking care of this client's ring?

• A. Agree to keep the ring for the client until after surgery
• B. Place the ring in the bag with the client's clothing
• C. Tape the ring securely to the client's finger
• D. Place the client's ring in the facility safe

Correct answer: D

Rationale: In this scenario, placing the client's ring in the facility safe is the most appropriate procedure. This ensures the ring is kept secure and prevents any risk of loss or damage during the surgery. Agreeing to keep the ring for the client could raise concerns about accountability, while placing it in the bag with the client's clothing might lead to misplacement. Taping the ring securely to the client's finger is not recommended as it may hinder blood circulation or cause discomfort.

5. Insulin forces which of the following electrolytes out of the plasma and into the cells?

• A. Calcium
• B. Magnesium
• C. Phosphorus
• D. Potassium

Correct answer: D

Rationale: Insulin forces potassium out of the plasma and into the cells, which can cause hypokalemia. This is because insulin enhances the activity of the sodium-potassium pump in cell membranes, promoting the movement of potassium from the extracellular fluid into the cells. Choices A, B, and C are incorrect as insulin does not directly influence the movement of calcium, magnesium, or phosphorus in the same manner as it does with potassium.

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