A nurse is caring for a client who has diabetes and a new pr...

A nurse is caring for a client who has diabetes and a new prescription for 16 units of regular insulin and 32 units of NPH insulin subcutaneously at breakfast daily. What is the total number of units of insulin that the nurse should prepare in the insulin syringe?

Correct Answer: 48 units

Rationale: The correct answer is 48 units. To prepare the insulin syringe, the nurse should add the prescribed units of regular insulin (16 units) and NPH insulin (32 units) together. 16 units + 32 units = 48 units. This total of 48 units should be drawn up in the insulin syringe for administration. This ensures the client receives the correct dosage of both insulins at breakfast.

Choice A is incorrect because it does not reflect the total sum of both regular and NPH insulin units. Choices B to G are also incorrect as they do not calculate the total units needed for the client's prescription. It is essential for the nurse to accurately calculate and prepare the total number of units to provide safe and effective care for the client with diabetes.

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A nurse is preparing to administer ceftriaxone 1 g via Intermittent IV bolus over 30 min. Available is 1 g ceftriaxone sodium In 100 mL dextrose 5% in water. The nurse should set the pump to deliver how many mL/hr? (Round the answer to whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer: 200 mL/hr

Rationale: To calculate the infusion rate for ceftriaxone 1g over 30 minutes, we first convert the time to hours (30 minutes = 0.5 hours). Then, we divide the total volume (100 mL) by the time in hours (0.5) to get the hourly infusion rate: 100 mL / 0.5 hours = 200 mL/hr. This is the correct answer because it ensures the medication is delivered over the prescribed time frame. Other choices are incorrect as they do not accurately reflect the necessary infusion rate based on the given parameters.

A nurse is preparing to administer metoprolol 10 mg IV bolus to a client for heart rate control. Available is metoprolol injection 2.5 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer: 4 mL

Rationale: To determine the mL to administer, divide the desired dose (10 mg) by the concentration of the drug (2.5 mg/mL): 10 mg / 2.5 mg/mL = 4 mL. Hence, the nurse should administer 4 mL. Other choices are incorrect because they do not result from the correct calculation based on the given information.

A nurse is caring for client who is postoperative following an appendectomy and is prescribed D, lactated Ringer's at 150 mL/hr by continuous IV iinfusion for 12 hr. The drop factor of the manual IV tubing is 20 gtt/mL. The nurse should set the manual IV infusion to deliver how many gtt/min? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer: 50 gtt/min

Rationale: To calculate the IV infusion rate in drops per minute (gtt/min), we use the formula: (Volume to be infused in mL) x (Drop factor) / (Time in minutes). In this case, the volume is 150 mL, the drop factor is 20 gtt/mL, and the time is 60 minutes (12 hours x 60 minutes/hour). Plugging in the values: (150 mL) x (20 gtt/mL) / (720 min) = 50 gtt/min. Therefore, the correct answer is 50 gtt/min. This rate ensures the prescribed volume is infused correctly over the specified time.
Incorrect options:
A) Incorrect, as it does not calculate the correct drop rate.
B-G) These options are also incorrect as they do not provide the accurate calculation for the IV infusion rate.

A nurse is preparing to administer acetaminophen 40 mg po q 8 hr PRN pain. Available is acetaminophen oral solution 10 mg/2.5 mL. How many teaspoons (tsp) should the nurse administer per dose?______tsp (Round the answer to the nearest whole number. Use a leading, zero if it applies. Do not use a trailing zero)

Correct Answer: 2 tsp

Rationale: To calculate the amount of acetaminophen solution to administer, we first need to determine the total amount of medication needed per dose. The prescription is for 40 mg, and the concentration of the oral solution is 10 mg/2.5 mL.

Step 1: Calculate how many mL are needed per dose:
40 mg ÷ 10 mg/2.5 mL = 40 mg ÷ 4 mg/mL = 10 mL

Step 2: Convert 10 mL to teaspoons:
1 teaspoon (tsp) = 5 mL
Therefore, 10 mL ÷ 5 mL/tsp = 2 tsp

So, the correct answer is 2 tsp.

Other choices are incorrect because they do not accurately reflect the calculated dose based on the prescription and the concentration of the oral solution.

A nurse is caring for a client who is postoperative following knee arthroplasty and has a new prescription for 1mg/kg/dose subcutaneous every 12 hr. The client weighs 185 lb. How many mg should the nurse administer per dose? (Round the answer to the nearest tenth. Use leading zero if it applies. Do not use a trailing zero.)

Correct Answer: 83.3 mg

Rationale: To calculate the correct dose in mg, first convert the client's weight from lb to kg. 1 lb is approximately 0.45 kg. So, 185 lb is approximately 83.9 kg. Next, multiply the weight in kg by the prescribed dose of 1mg/kg. This gives 83.9 * 1 = 83.9 mg. Round this to the nearest tenth to get 83.3 mg. The correct answer is 83.3 mg because it accurately calculates the dose based on the client's weight and the prescribed dosage. Other choices are incorrect as they either do not consider the weight conversion or do not correctly calculate the dosage according to the prescription.