A nurse is preparing to administer lidocaine 50 mg IV bolus. Available is lidocaine 200 mg/mL. How many mL should the nurse administer (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.3"]
Calculating the Lidocaine Dose
Problem: Administer 50 mg of lidocaine IV bolus. The available concentration is 200 mg/mL.
Steps:
Set up a proportion:
We want to find the number of milliliters (mL) needed.
We know the desired dose (50 mg) and the concentration of the medication (200 mg/mL).
Proportion:
x mL / 50 mg = 1 mL / 200 mg
Cross-multiply:
200x = 50
Solve for x:
x = 50 / 200
x = 0.25
Answer: The nurse should administer 0.3 mL of lidocaine per dose(rounded to the nearest tenth).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A) "This hospital might use a different manufacturer, but the medication is the same":
While this response provides reassurance about the consistency of the medication, it does not directly engage with the client’s observation. It may not fully address the client's specific concerns or help in verifying whether the medication is indeed correct.
B) "Describe what the pill looks like":
Asking the client to describe the pill helps in verifying its identity. This response is appropriate because it allows for a comparison between the pill in question and the medication the client is familiar with, ensuring that the right medication is being administered.
C) "This is the medication prescribed by your provider":
This response confirms that the medication is prescribed but does not address why it looks different. It may not provide the necessary reassurance or clarification about the appearance of the medication.
D) "This pill is probably from a different lot number than yours at home":
Although this response could explain the appearance difference, it might not be as reassuring as verifying the medication’s identity. It’s more important to ensure that the client’s concern is addressed directly by comparing the appearance of the medication.
Correct Answer is C
Explanation
A) Ataxia:
Ataxia is not a classic symptom of digoxin toxicity. It is more commonly associated with other neurological conditions or medications.
B) Photosensitivity:
Photosensitivity is not typically linked to digoxin toxicity. It is more often associated with certain other medications or conditions.
C) Anorexia:
Anorexia is a common early symptom of digoxin toxicity. It often accompanies other signs such as nausea, vomiting, and visual disturbances. Early recognition of these symptoms is crucial for prompt management of toxicity.
D) Jaundice:
Jaundice is not a common manifestation of digoxin toxicity. It is generally related to liver conditions or issues affecting bilirubin metabolism.
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