Order, digoxin (Lanoxin) 0.25 mg IM daily. Available digoxin (Lanoxin) 0.5 mg/2 mL How many mL will the nurse administer?
The Correct Answer is ["1"]
To calculate the amount of mL the nurse should administer, we can use a proportion based on the available concentration of digoxin (Lanoxin) and the prescribed dose.
The available concentration is 0.5 mg/2 mL, which means there are 0.5 mg of digoxin in 2 mL of solution.
The prescribed dose is 0.25 mg.
Now we can set up the proportion:
0.5 mg / 2 mL = 0.25 mg / x mL
Cross-multiplying, we have:
0.5 mg * x mL = 2 mL * 0.25 mg
0.5x = 0.5
Dividing both sides by 0.5, we get:
x = 0.5 / 0.5
x = 1
Therefore, the nurse should administer 1 mL of digoxin (Lanoxin) to deliver a dose of 0.25 mg.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.25"]
Explanation
To calculate the dose of Lasix (furosemide) in milliliters (ml), we can set up a proportion using the available concentration and the prescribed dose.
The available concentration is 80 mg/2 ml, which means there are 80 mg of Lasix in 2 ml of solution.
The prescribed dose is 50 mg.
Setting up the proportion:
80 mg / 2 ml = 50 mg / x ml
Cross-multiplying:
80 mg * x ml = 2 ml * 50 mg
80x = 100
Dividing both sides by 80:
x = 100 / 80
x = 1.25
Therefore, the dose of Lasix 50 mg IV would be approximately 1.25 ml.
Correct Answer is B
Explanation
A. “I can see you are anxious. Let's stop for a minute."This option interrupts the exposure process. In systematic desensitization, the goal is to continue exposure while employing relaxation techniques, so stopping would not promote the gradual reduction of anxiety.
B. “Use the deep breathing techniques we practiced yesterday."This statement encourages the client to utilize a relaxation technique (deep breathing) while facing their fear, which is the core of systematic desensitization. By practicing relaxation in the presence of the feared stimulus, the client learns to associate the stimulus with calmness rather than anxiety.
C. "What is the worst that will happen if you confront this fear?"This option uses a form of cognitive restructuring, which is more aligned with cognitive-behavioral therapy (CBT) rather than systematic desensitization. This focuses on changing thought patterns rather than gradually exposing the person to their fear while inducing relaxation.
D. “Tell me how you are feeling right now."While it is important for the client to reflect on their feelings, this option does not promote relaxation or directly help the client manage their anxiety response during exposure. It focuses more on emotional processing rather than applying the desensitization technique.
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