A nurse is caring for a client who has a pulmonary embolism and has a new prescription for enoxaparin 1.5 mg/kg/dose subcutaneously every 12 hours. The client weighs 245 lbs. How many mg 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.)

Answer and Explanation

The Correct Answer is ["167 "]

To calculate the dose of enoxaparin, follow these steps:

1) Convert the client's weight from pounds to kilograms:

245 lbs / 2.2046 (kg/lb) = 111.13 kg (rounded to the nearest whole number, it's 111 kg).

2) Multiply the weight in kilograms by the prescribed dose per kilogram:

111 kg x 1.5 mg/kg = 166.5 mg.

Round the answer to the nearest whole number, so the nurse should administer 167 mg per dose of enoxaparin every 12 hours to the client with a pulmonary embolism.

Pulmonary Embolism (PE): Symptoms, Signs & Treatment

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Correct Answer is D

Explanation

Choice A Reason: This choice is incorrect because ﬂatened neck veins are not a sign of cardiac tamponade. Cardiac tamponade is a condition in which ﬂuid accumulates in the pericardial sac that surrounds the heart, causing compression and impaired filling of the heart chambers. This leads to reduced cardiac output and hypotension. One of the manifestations of cardiac tamponade is distended neck veins due to increased venous pressure and impaired venous return.

Choice B Reason: This choice is incorrect because bradycardia is not a sign of cardiac tamponade. Bradycardia is a condition in which the heart rate is slower than normal (less than 60 beats per minute). It may be caused by various factors such as vagal stimulation, medication side eﬀects, hypothyroidism, or sinus node dysfunction. It may cause symptoms such as fatigue, dizziness, or syncope, but it does not indicate cardiac tamponade.

Choice C Reason: This choice is incorrect because sudden lethargy is not a specific sign of cardiac tamponade. Lethargy is a condition in which the person feels tired, sluggish, or drowsy. It may be caused by various factors such as sleep deprivation, depression, infection, anemia, or hypoglycemia. It may aﬀect the person's mental and physical performance, but it does not indicate cardiac tamponade.

Choice D Reason: This choice is correct because muﬄed heart sounds are a sign of cardiac tamponade. Muﬄed heart sounds are heart sounds that are fainter or softer than normal due to reduced transmission of sound waves through ﬂuid-filled pericardial sac. They may indicate that the heart function is compromised by cardiac tamponade and require immediate intervention such as pericardiocentesis (removal of ﬂuid from pericardial sac).

Correct Answer is ["100"]

Explanation

To estimate the percentage of body surface area burned using the Rule of Nines, follow these guidelines:

Head and Neck: 9%
Each Arm: 9% (right arm) + 9% (left arm) = 18%
Front of Torso: 18%
Back of Torso: 18%
Each Leg: 18% (right leg) + 18% (left leg) = 36%
Genital Area: 1%

Now, add up the percentages of the burned areas:

9% (head and neck) + 18% (each arm) + 18% (front of torso) + 18% (back of torso) + 36% (each leg) + 1% (genital area) = 100%

So, the nurse should estimate that the client has burned 100% of their body surface area.

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Naxlex Comprehensive Predictor Exams

A nurse in a critical care unit is caring for a client who suﬀered a knife wound to the chest. The nurse suspects the client is developing cardiac tamponade. Which of the following assessment findings should the nurse identify as supporting this suspicion?

Correct Answer is D

Explanation

Correct Answer is ["100"]

Explanation

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