A nurse is teaching an ACLS class and is discussing heart rhythms and treatment. Which of the following rhythms would indicate the need for defibrillation?
Atrial fibrillation
Supraventricular tachycardia
Asystole
Ventricular fibrillation
The Correct Answer is D
Choice A reason:Atrial fibrillation is not typically treated with defibrillation; it is usually managed with medication or other forms of rhythm control.
Choice B reason:Supraventricular tachycardia does not usually require defibrillation; it may be treated with vagal maneuvers or medication.
Choice C reason:Asystole, or the absence of a heartbeat, is not treated with defibrillation as there is no electrical activity to reset.
Choice D reason:Ventricular fibrillation is a life-threatening heart rhythm that requires immediate defibrillation to restore a normal heart rhythm.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","E","F"]
Explanation
Choice A: Hypokalemia, or low potassium levels in the blood, is not typically associated with CKD. In fact, patients with advanced CKD are more likely to experience hyperkalemia, which is an elevated potassium level, due to the kidneys’ decreased ability to excrete potassium. The normal range for serum potassium is 3.5 to 5.0 mmol/L.
Choice B: Anemia is a common finding in CKD and is due to the kidneys’ reduced production of erythropoietin, a hormone that stimulates the bone marrow to produce red blood cells. Symptoms of anemia include fatigue, weakness, and pale skin. The normal range for hemoglobin in adults is 13.8 to 17.2 grams per deciliter for men and 12.1 to 15.1 grams per deciliter for women.
Choice C: Hypertension, or high blood pressure, is both a cause and a complication of CKD. The kidneys play a crucial role in regulating blood pressure, and as their function declines, hypertension becomes more common. The normal range for blood pressure is typically considered to be 120/80 mmHg.
Choice D: Crackles in the lungs Crackles in the lungs are not a direct manifestation of CKD, but they can occur if the condition leads to fluid overload and heart failure, resulting in pulmonary edema. This is a secondary complication rather than a direct symptom of CKD.
Choice E: Lethargy and a general feeling of malaise are common in CKD due to the buildup of toxins and waste products in the blood that the kidneys can no longer effectively filter out. This can also lead to decreased mental sharpness and a reduced quality of life.
Choice F: Proteinuria, or the presence of excess protein in the urine, is a hallmark sign of CKD. It indicates damage to the kidneys’ filtering units, allowing protein that would normally be retained to leak into the urine. Persistent proteinuria is a sign of chronic kidney damage.
Correct Answer is ["24"]
Explanation
- Step 1: Identify the prescribed dose in units per hour. The client is scheduled to receive 1,200 units/hr of heparin.
- Step 2: Identify the concentration of the available solution. The available solution contains 25,000 units of heparin in 500 mL D5W.
- Step 3: Calculate the volume of solution needed to deliver the required dose. We can set up a proportion to solve for this:
- 25,000 units is to 500 mL as 1,200 units is to X mL.
- In other words, 25,000 units : 500 mL = 1,200 units : X mL.
- Step 4: Solve for X using cross-multiplication and division:
- Cross-multiplication gives us: 25,000 units × X mL = 1,200 units × 500 mL.
- Simplifying this gives us: 25,000X = 600,000.
- Dividing both sides by 25,000 gives us: X = 600,000 ÷ 25,000.
- Calculating the division gives us: X = 24.
Set the IV pump to deliver 24 mL/hr to administer the required dose of 1,200 units/hr.
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