A patient with cirrhosis is scheduled for a TIPS procedure. Which of the following correctly describes a TIPS procedure?

A shunt will divert blood from the hepatic vein to the Inferior vena cava

A shunt will divert blood from the aorta to the inferior vena cava

A shunt will divert blood from the portal vein to the hepatic vein

A shunt will divert blood from the aorta to the hepatic vein

Answer and Explanation

The Correct Answer is C

A. A shunt will divert blood from the hepatic vein to the Inferior vena cava: This is not the correct pathway for a TIPS procedure.

B. A shunt will divert blood from the aorta to the inferior vena cava: This describes a different vascular pathway unrelated to TIPS.

C. A shunt will divert blood from the portal vein to the hepatic vein: TIPS (Transjugular Intrahepatic Portosystemic Shunt) is a procedure that creates a pathway between the portal vein and hepatic vein, reducing portal hypertension and preventing variceal bleeding.

D. A shunt will divert blood from the aorta to the hepatic vein: This is not the correct anatomical pathway for a TIPS procedure.

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Correct Answer is ["136.67"]

Explanation

Calculation:

The P/F ratio is calculated as:

P/Fratio= PaO₂÷ FiO₂

P/Fratio = 82÷0.60

=136.67

Correct Answer is ["15.94"]

Explanation

Convert the ordered dose to mcg/min:

10 mcg/kg/min × 85 kg = 850 mcg/min

Convert the available dose to mcg/mL:

800 mg = 800,000 mcg in 250 mL

Concentration = 800,000 mcg ÷ 250 mL

= 3200 mcg/mL

Calculate the infusion rate:

Infusion rate (mL/hour) = [Desireddose(mcg/min) ÷Concentration(mcg/mL)] ×60 min/hour

Infusion rate = (850 mcg/min ÷ 3200 mcg/mL) × 60 min/hour

= 15.94 mL/hour

The IV pump should be set to infuse at approximately 15.94 mL/hour to deliver the ordered dose of dopamine at 10 mcg/kg/min for a patient weighing 85 kg. This ensures the appropriate therapeutic effect.

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A patient with cirrhosis is scheduled for a TIPS procedure. Which of the following correctly describes a TIPS procedure?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is ["136.67"]

Explanation

The physician orders dopamine at 10 mcg/kg/min. The pharmacy provides dopamine 800mg in 250 ml of D5W. What is the hourly IV pump rate? The patient weighs 85 kilograms. Order: Dopamine at 10 mcg/kg/min Available: Dopamine 800 mg in 250 mL D5W Patient weight: 85 kg

Correct Answer is ["15.94"]

Explanation

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