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Nurse Dive Free Nursing Practice Question
What is the metric prefix for one-thousandth (0.001)?
A. Centi-
Centi-: The prefix "centi-" represents one-hundredth (0.01) of a unit, not one-thousandth.
B. Micro-
Micro-: "Micro-" represents one-millionth (0.000001) of a unit, which is much smaller than one-thousandth.
C. Deci-
Deci-: "Deci-" denotes one-tenth (0.1) of a unit, not one-thousandth.
D. Milli-
Milli-: "Milli-" represents one-thousandth (0.001) of a unit, making it the correct metric prefix for this value, commonly used in milligrams (mg) and milliliters (mL).
This question is an excerpt from Nurse Dive's nursing test bank - Ati Lpn Med Math Proctored Exam. Take the full exam now
Full Explanation
Rationale:
A. Centi-: The prefix "centi-" represents one-hundredth (0.01) of a unit, not one-thousandth.
B. Micro-: "Micro-" represents one-millionth (0.000001) of a unit, which is much smaller than one-thousandth.
C. Deci-: "Deci-" denotes one-tenth (0.1) of a unit, not one-thousandth.
D. Milli-: "Milli-" represents one-thousandth (0.001) of a unit, making it the correct metric prefix for this value, commonly used in milligrams (mg) and milliliters (mL).
Similar Questions
A medication is ordered as 0.2 g. The available form is 100 mg tablets. How many tablets should be given?
A. 2.5 tablets
Calculation: Ordered Dose = 0.2 g Available Dose = 100 mg Convert Ordered Dose to mg Ordered Dose = 0.2 × 1000 = 200 mg Number of tablets = Ordered Dose / Available Dose = 200 / 100 = 2 tablets
B. 3 tablets
Calculation: Ordered Dose = 0.2 g Available Dose = 100 mg Convert Ordered Dose to mg Ordered Dose = 0.2 × 1000 = 200 mg Number of tablets = Ordered Dose / Available Dose = 200 / 100 = 2 tablets
C. 4 tablets
Calculation: Ordered Dose = 0.2 g Available Dose = 100 mg Convert Ordered Dose to mg Ordered Dose = 0.2 × 1000 = 200 mg Number of tablets = Ordered Dose / Available Dose = 200 / 100 = 2 tablets
D. 2 tablets
Calculation: Ordered Dose = 0.2 g Available Dose = 100 mg Convert Ordered Dose to mg Ordered Dose = 0.2 × 1000 = 200 mg Number of tablets = Ordered Dose / Available Dose = 200 / 100 = 2 tablets
Full Explanation
Calculation:
Ordered Dose = 0.2 g
Available Dose = 100 mg
- Convert Ordered Dose to mg
Ordered Dose = 0.2 × 1000
= 200 mg
Number of tablets = Ordered Dose / Available Dose
= 200 / 100
= 2 tablets
A nurse is reviewing a medication order which prescribes 150 mg of a drug. The available dosage strength is 50 mg per tablet. Using the formula method, how many tablets should the nurse administer?
A. 4 tablets
Calculation: Ordered Dose = 150 mg Available Dose = 50 mg Number of tablets = Ordered Dose / Available Dose = 150 / 50 = 3 tablets
B. 2 tablets
Calculation: Ordered Dose = 150 mg Available Dose = 50 mg Number of tablets = Ordered Dose / Available Dose = 150 / 50 = 3 tablets
C. 5 tablets
Calculation: Ordered Dose = 150 mg Available Dose = 50 mg Number of tablets = Ordered Dose / Available Dose = 150 / 50 = 3 tablets
D. 3 tablets
Calculation: Ordered Dose = 150 mg Available Dose = 50 mg Number of tablets = Ordered Dose / Available Dose = 150 / 50 = 3 tablets
Full Explanation
Calculation:
Ordered Dose = 150 mg
Available Dose = 50 mg
Number of tablets = Ordered Dose / Available Dose
= 150 / 50
= 3 tablets
What should a nurse do if a patient expresses concern about a medication they are about to receive?
A. Administer the medication quickly to avoid further discussion.
Administer the medication quickly to avoid further discussion: Rushing administration disregards patient autonomy and may increase anxiety or distrust, potentially compromising safety and adherence.
B. Tell the patient you will discuss it with the doctor later.
Tell the patient you will discuss it with the doctor later: Delaying the discussion postpones important education and informed consent, leaving the patient uncertain about the medication they are receiving.
C. Ignore the concern and administer the medication.
Ignore the concern and administer the medication: Ignoring the patient’s concerns violates the principles of patient-centered care and informed consent, and may lead to refusal or adverse outcomes.
D. Explain the medication's purpose and address any concerns before proceeding.
Explain the medication's purpose and address any concerns before proceeding: Providing clear explanations about the medication, its purpose, potential side effects, and answering questions ensures informed consent, reduces anxiety, and supports safe, collaborative care.
Full Explanation
Rationale:
A. Administer the medication quickly to avoid further discussion: Rushing administration disregards patient autonomy and may increase anxiety or distrust, potentially compromising safety and adherence.
B. Tell the patient you will discuss it with the doctor later: Delaying the discussion postpones important education and informed consent, leaving the patient uncertain about the medication they are receiving.
C. Ignore the concern and administer the medication: Ignoring the patient’s concerns violates the principles of patient-centered care and informed consent, and may lead to refusal or adverse outcomes.
D. Explain the medication's purpose and address any concerns before proceeding: Providing clear explanations about the medication, its purpose, potential side effects, and answering questions ensures informed consent, reduces anxiety, and supports safe, collaborative care.