Which assessment finding indicates that a patient's heart failure (HF) is worsening?

An increase in O2 saturation to greater than 90%

The onset of atrial fibrillation

Louder S, and S2 heart sounds

A decrease in heart rate to 66 bpm

Answer and Explanation

The Correct Answer is B

A. An increase in O2 saturation to greater than 90%: An increase in oxygen saturation is typically a positive sign and does not indicate worsening heart failure.

B. The onset of atrial fibrillation: The development of atrial fibrillation (AFib) in a patient with heart failure is a sign of worsening heart failure, as it indicates increased atrial pressure and the potential for further hemodynamic compromise.

C. Louder S1 and S2 heart sounds: Louder heart sounds do not specifically indicate worsening heart failure. They may vary based on other factors such as body habitus or the position of the patient.

D. A decrease in heart rate to 66 bpm: A heart rate of 66 bpm is within the normal range and does not suggest worsening heart failure.

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Correct Answer is ["B","E"]

Explanation

A. Annual vitamin K injections: Vitamin K injections do not prevent Hepatitis B.

B. Use of standard precautions: Standard precautions reduce the risk of exposure to bloodborne pathogens, including Hepatitis B.

C. Consumption of a vitamin-rich diet: While a healthy diet is important, it does not specifically prevent Hepatitis B.

D. Annual vitamin B12 injections: Vitamin B12 injections are unrelated to Hepatitis B prevention.

E. Immunization: Vaccination is a key preventive measure against Hepatitis B.

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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Which assessment finding indicates that a patient's heart failure (HF) is worsening?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse educator is teaching a group of recent nursing graduates about their occupational risks for contracting hepatitis B. What preventative measures should the educator promote? Select all that apply.

Correct Answer is ["B","E"]

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

What action would be most helpful to the nurse in determining whether the chest pain of a patient who has just entered the emergency department is cardiac in origin?

A patient is brought to the ED after being struck by a baseball to the chest. The physician suspects a cardiac tamponade based on hypotension muffled heart sounds, and distended jugular veins. What is the primary intervention for this patient?

. A nurse is discussing management of hypertension with a patient. Which patient statement indicates that additional teaching about the relationship between hypertension and acute coronary syndrome (ACS) is needed?

A nurse reviews the following ABG result: pH 7.37 PaO2 84 PaCO2 54 Bicarbonate: 31 Saturation: 95% What is the interpretation of this ABG?

The nurse assesses the port balloon on the ETT (endotracheal tube) of an intubated patient and is unsure if the balloon is properly inflated. What is the nurse's best action?

Which of the following is not a cause of high-output heart failure?

A patient asks the nurse, "What is blood pressure?" The nurse would most appropriately respond: