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Calculate the flow rate in gtt/min using the formula method. Administer 2.500 mL. D5 0.33% NS in 8 hr. The drop factor is 15 grt/mL

78 gtt/min

65 gtt/min

70 grimin

60 git/min

Answer and Explanation

The Correct Answer is A

Given:

Volume of fluid: 2500 mL

Infusion time: 8 hours

Drop factor: 15 gtt/mL

Formula:

Flow rate (gtt/min) = (Volume (mL) / Time (hr)) x Drop factor (gtt/mL) / 60 min/hr

Step 1: Calculate the infusion rate in mL/hr:

Infusion rate (mL/hr) = Volume (mL) / Time (hr)

Infusion rate (mL/hr) = 2500 mL / 8 hr

Infusion rate (mL/hr) = 312.5 mL/hr

Step 2: Calculate the flow rate in gtt/min:

Flow rate (gtt/min) = (Infusion rate (mL/hr) x Drop factor (gtt/mL)) / 60 min/hr

Flow rate (gtt/min) = (312.5 mL/hr x 15 gtt/mL) / 60 min/hr

Flow rate (gtt/min) = 4687.5 gtt/hr / 60 min/hr

Flow rate (gtt/min) = 78.125 gtt/min

Step 3: Round to the nearest whole number:

Flow rate (gtt/min) ≈ 78 gtt/min

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Correct Answer is C

Explanation

Given:

Desired dose of Vistaril: 15 mg

Concentration of Vistaril: 50 mg/mL

Step 1: Set up the proportion:

Desired dose (mg) / Volume to administer (mL) = Concentration (mg/mL)

Step 2: Substitute the values:

15 mg / Volume = 50 mg/mL

Step 3: Solve for the unknown volume:

Volume = 15 mg / 50 mg/mL

Step 4: Calculate the volume:

Volume = 0.3 mL

A. 6 Units Regular Insulin sub-cut B. 2 Units Regular Insulin sub-cut C. 0.5 Units Regular insulin sub-cut D. No coverage

Correct Answer is D

Explanation

A) 6 Units Regular Insulin sub-cut:
According to the sliding scale, a blood glucose level of 164 mg/dL would not fall within the range requiring 6 units of insulin. The 6-unit dose is for blood glucose levels between 301-490 mg/dL. Since the client's reading of 164 mg/dL is lower than 181 mg/dL, this dosage is not applicable.

B) 2 Units Regular Insulin sub-cut:
This is also incorrect. The 2-unit dose is prescribed for blood glucose levels between 181-240 mg/dL. Since the client's reading is 164 mg/dL, it falls below this range, so 2 units is not appropriate.

C) 0.5 Units Regular insulin sub-cut:
This is not correct because there is no provision in the sliding scale for administering 0.5 units of insulin. The scale provides dosing for specific ranges and does not include fractional doses. Additionally, the blood glucose reading of 164 mg/dL does not require any insulin according to the prescribed sliding scale.

D) No coverage:
According to the sliding scale, a blood glucose level of 164 mg/dL falls within the 0-180 mg/dL range, which specifies no coverage or insulin administration. The sliding scale clearly indicates that no insulin is needed when the blood glucose level is within this range.

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Calculate the flow rate in gtt/min using the formula method. Administer 2.500 mL. D5 0.33% NS in 8 hr. The drop factor is 15 grt/mL

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Samantha Hudson a two-year-old child in the ER with parents at the bedside. She came in not feeling well, irritable, crying all night, and not eating or drinking. Orders: Vistaril 15 mg IM q4h, Stat x 1 for nausea. Available: Vistaril 50 mg/ml How many mL will you administer to Samantha now?

Correct Answer is C

Explanation

Correct Answer is D

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