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Order: Zosyn 1.3g in 100mL. D5W IVPB q8h to infuse over 30 min. Drop factor: 60 gtt/mL. Determine rate in gtt/min.

A.

75 gtt/min

B.

150 gtt/min

C.

100 gt/min

D.

200 gtt/min

Answer and Explanation

The Correct Answer is D

Given:

Volume of fluid: 100 mL

Infusion time: 30 minutes

Drop factor: 60 gtt/mL

 

Formula:

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

 

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

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

Infusion rate (mL/min) = 100 mL / 30 min

Infusion rate (mL/min) = 3.33 mL/min

 

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

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

Flow rate (gtt/min) = 3.33 mL/min x 60 gtt/mL

Flow rate (gtt/min) = 200 gtt/min


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Related Questions

Correct Answer is B

Explanation

A) Naloxone (Narcan):
Naloxone is the antidote for opioid overdose, not for digoxin toxicity. It works by reversing the effects of opioid drugs such as morphine, heroin, and oxycodone by binding to opioid receptors in the brain. While Naloxone is vital in opioid toxicity, it has no effect on the toxicity of digoxin.

B) Digoxin immune FAB (Digibind):
Digoxin immune FAB (Digibind) is the antidote for digoxin toxicity. It works by binding to the digoxin molecules in the bloodstream, thereby inactivating them and preventing them from exerting their toxic effects on the heart. This treatment is critical in cases of severe digoxin toxicity, particularly when the patient exhibits symptoms such as life-threatening arrhythmias, severe bradycardia, or altered mental status.

C) Vitamin K:
Vitamin K is the antidote for warfarin (Coumadin) toxicity, not digoxin toxicity. It promotes the synthesis of clotting factors in the liver and is used to reverse excessive anticoagulation in cases of bleeding due to warfarin. It has no effect on digoxin toxicity, which requires specific treatment with digoxin immune FAB.

D) Inamrinone (Inocor):
Inamrinone is an inotropic medication used to treat severe heart failure by improving heart contractility. However, it is not used as an antidote for digoxin toxicity. In fact, inamrinone and other inotropic agents may be used cautiously in patients with digoxin toxicity, as they could potentially exacerbate arrhythmias, a known complication of digoxin toxicity.

Correct Answer is D

Explanation

Given:

Volume of Glucerna 1.2: 237 mL

Desired concentration: 1/2 strength

Step 1: Determine the volume of Glucerna 1.2 needed for the half-strength solution:

Volume of Glucerna 1.2 for half-strength = Original volume / 2

Volume of Glucerna 1.2 for half-strength = 237 mL / 2

Volume of Glucerna 1.2 for half-strength = 118.5 mL

Step 2: Calculate the amount of water to be added:

Amount of water = Original volume - Volume of Glucerna 1.2 for half-strength

Amount of water = 237 mL - 118.5 mL

Amount of water = 118.5 mL

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