PH 4 Drug Calculation
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Questions and Answers

Which of the following is true about insulin dosages?

  • Insulin is given in milligrams (mg)
  • Insulin should be drawn up in a regular syringe
  • Insulin is available in 100-mL vials
  • Insulin is given in units (u) (correct)

    • What is the concentration of U-100 insulin?

  • 10 units per 100 mL of solution
  • 100 units per 1 mL of solution (correct)
  • 1 unit per 100 mL of solution
  • 100 units per 10 mL of solution

    • What type of syringe should be used to draw up insulin?

  • Insulin syringe (correct)
  • 10-mL syringe
  • Regular syringe
  • 1-mL syringe

    • What is the recommended method for calculating pediatric drug doses based on body weight?

    <p>Clark's rule</p> Signup and view all the answers

    Which method is used in a select number of LPN/VN programs instead of using ratio and proportion to solve dosage problems?

    <p>Dimensional Analysis Method</p> Signup and view all the answers

    What is the weight conversion ratio from kilograms to pounds?

    <p>1 kg/2.2 lb</p> Signup and view all the answers

    What is the volumetric conversion ratio from milliliters to teaspoons?

    <p>5 mL/tsp</p> Signup and view all the answers

    What is the final dose in teaspoons if the dosage needed is 1250 mg and the concentration in teaspoons is 625 mg/tsp?

    <p>2 tsp</p> Signup and view all the answers

    Which route of drug administration involves the use of a tube going through the nose and esophagus into the stomach?

    <p>Nasogastric (NG) tube</p> Signup and view all the answers

    What is a two compartment vial that contains a sterile solution in one compartment and the powdered drug in the second compartment, separated by a rubber stopper?

    <p>Mix-o-Vial</p> Signup and view all the answers

    Which route of drug administration involves applying a drug directly to the area of the skin requiring treatment?

    <p>Topical route</p> Signup and view all the answers

    What is the purpose of the Z-track technique in intramuscular (IM) injections?

    <p>To prevent tracking of the medication into the subcutaneous tissue</p> Signup and view all the answers

    What is the purpose of using BSA charts in pediatric drug dosage calculations?

    <p>To calculate the dosage based on weight and height</p> Signup and view all the answers

    What is the main concern when administering drugs through the intravenous (IV) route?

    <p>Fluid overload</p> Signup and view all the answers

    What does the flow rate of an IV fluid indicate?

    <p>How many milliliters are given to the patient in an hour</p> Signup and view all the answers

    What is the drop factor in IV fluid administration?

    <p>The number of drops per milliliter of liquid</p> Signup and view all the answers

    Which route of drug administration involves applying or holding the drug in the cheek, allowing it to diffuse directly into the bloodstream?

    <p>Buccal route</p> Signup and view all the answers

    What is the purpose of Clark's rule in drug dosage calculation for children?

    <p>To calculate pediatric drug dosage based on the child's body weight</p> Signup and view all the answers

    What are ampules used for in drug administration?

    <p>To deliver drugs through the intramuscular or intravenous route</p> Signup and view all the answers

    What is the purpose of aseptic technique in drug administration?

    <p>To manipulate drugs without contaminating the sterility of the drug delivery system</p> Signup and view all the answers

    Which of the following factors can influence the flow rate of an IV infusion?

    <p>The age of the patient</p> Signup and view all the answers

    What is the formula for calculating the flow rate of an IV infusion?

    <p>Flow Rate = Total number of drops ordered / Number of minutes the IV is to flow</p> Signup and view all the answers

    What is the formula for calculating the total infusion time of an IV fluid?

    <p>Total Infusion Time = Total number of drops ordered / Number of drops per minute</p> Signup and view all the answers

    What is the formula for calculating the flow rate in infants using a microdrop drop factor?

    <p>Flow Rate = Total number of drops ordered / Microdrop drop factor</p> Signup and view all the answers

    Which of the following is an important consideration when giving drugs to a patient?

    <p>Knowing the patient's allergies</p> Signup and view all the answers

    What should you do if there are specific limits on when a drug can be safely given?

    <p>Hold the drug until the limits are clarified with the prescriber</p> Signup and view all the answers

    What should you do to minimize interruptions and distractions while preparing drugs?

    <p>Minimize interruptions and distractions</p> Signup and view all the answers

    Why is it important to wash your hands before handling drugs?

    <p>To avoid contamination of the drugs</p> Signup and view all the answers

    What should you compare the drug order with before administering the drug?

    <p>The written order, medication administration record, and drug label</p> Signup and view all the answers

    Why is it important to accurately identify the patient before giving any drugs?

    <p>To prevent medication errors</p> Signup and view all the answers

    Which route of drug administration involves applying or holding the drug in the cheek, allowing it to diffuse directly into the bloodstream?

    <p>Sublingual route</p> Signup and view all the answers

    What is the purpose of aseptic technique in drug administration?

    <p>To prevent contamination of the drug</p> Signup and view all the answers

    What is the main concern when administering drugs through the intravenous (IV) route?

    <p>Drug administration errors</p> Signup and view all the answers

    What is the formula for calculating the total infusion time of an IV fluid?

    <p>Total infusion time = Volume of IV fluid / Flow rate</p> Signup and view all the answers

    Which route of drug administration involves injecting the drug into the dermis, just below the epidermis?

    <p>Intradermal route</p> Signup and view all the answers

    What is the formula used to calculate pediatric drug dosage based on the child's body weight?

    <p>Clark's rule</p> Signup and view all the answers

    What is the purpose of the Z-track technique in intramuscular (IM) injections?

    <p>To prevent leakage of the drug from the injection site</p> Signup and view all the answers

    What is the purpose of using BSA charts in pediatric drug dosage calculations?

    <p>To estimate the patient's body surface area</p> Signup and view all the answers

    Which method is often used to convert from one set of measurement units to another set of units by using conversion factors in such a way that unwanted units are canceled out?

    <p>Dimensional Analysis Method</p> Signup and view all the answers

    What is the weight conversion ratio from pounds to kilograms?

    <p>1 lb = 0.45 kg</p> Signup and view all the answers

    What is the volumetric conversion ratio from teaspoons to milliliters?

    <p>1 tsp = 5 mL</p> Signup and view all the answers

    What is the final dose in teaspoons if the dosage needed is 1000 mg and the concentration in teaspoons is 500 mg/tsp?

    <p>1 tsp</p> Signup and view all the answers

    Which of the following is the formula for calculating the flow rate in IV fluid administration?

    <p>Flow Rate = Volume / Time</p> Signup and view all the answers

    What is the drop factor for regular infusion sets (macrodrip) used in IV fluid administration?

    <p>15 drops/mL</p> Signup and view all the answers

    Which of the following is an important consideration when giving drugs to infants or children?

    <p>Double-check the original order</p> Signup and view all the answers

    What is the purpose of using BSA charts in pediatric drug dosage calculations?

    <p>To calculate the body surface area of children</p> Signup and view all the answers

    Which of the following is true about insulin dosages?

    <p>Insulin is given in units (u)</p> Signup and view all the answers

    What is the concentration of U-100 insulin?

    <p>100 units per 1 mL of solution</p> Signup and view all the answers

    What is the formula for calculating pediatric drug doses based on Clark's rule?

    <p>(\text{Child's dosage} = \frac{\text{Child's weight}},{\text{Average adult weight}} \times \text{Adult dosage})</p> Signup and view all the answers

    What is the most accurate method for determining pediatric dosages?

    <p>Body surface area (BSA)</p> Signup and view all the answers

    Which of the following is a reason why it is important to compare the drug order with the written order, medication administration record (MAR), and the drug label before administering a drug?

    <p>To avoid contamination of the drugs</p> Signup and view all the answers

    Which of the following is a significant source of drug error that healthcare providers should be careful of?

    <p>Look-alike and sound-alike drug names</p> Signup and view all the answers

    What should healthcare providers do to minimize interruptions and distractions while preparing drugs?

    <p>Follow the 9 Rights of Drug Administration</p> Signup and view all the answers

    What is the purpose of the Z-track technique in intramuscular (IM) injections?

    <p>To prevent leakage of the drug into subcutaneous tissues</p> Signup and view all the answers

    What is the recommended method for calculating pediatric drug doses based on body weight?

    <p>Using Clark's rule</p> Signup and view all the answers

    What is the concentration of U-100 insulin?

    <p>100 units/mL</p> Signup and view all the answers

    Which formula is used to calculate the flow rate for IV fluid administration?

    <p>$Flow Rate = \frac{Total number of drops}{Number of minutes}$</p> Signup and view all the answers

    What factors can influence the flow rate of an IV infusion?

    <p>Age, size, and condition of the patient</p> Signup and view all the answers

    What is the formula for calculating the total infusion time for IV fluid administration?

    <p>$Total Infusion Time = \frac{Total number of drops}{Number of drops per minute}$</p> Signup and view all the answers

    What is the drop factor for infants in IV fluid administration?

    <p>60 microdrops/mL</p> Signup and view all the answers

    Which method is used in dimensional analysis to solve dosage problems?

    <p>Conversion method</p> Signup and view all the answers

    What is the weight conversion ratio from kilograms to pounds?

    <p>1 kg/2.2 lb</p> Signup and view all the answers

    What is the volumetric conversion ratio from milliliters to teaspoons?

    <p>1 tsp/5 mL</p> Signup and view all the answers

    What is the final dose in teaspoons if the dosage needed is 1250 mg and the concentration in teaspoons is 625 mg/tsp?

    <p>2 tsp</p> Signup and view all the answers

    Which of the following is true about insulin dosages?

    <p>Insulin is given in units (u)</p> Signup and view all the answers

    What is the concentration of U-100 insulin?

    <p>100 units per 1 mL of solution</p> Signup and view all the answers

    What is the formula used to calculate pediatric drug dosage based on the child's body weight?

    <p>Clark's rule</p> Signup and view all the answers

    What is the purpose of Clark's rule in drug dosage calculation for children?

    <p>To calculate dosages based on weight</p> Signup and view all the answers

    Which of the following factors can influence the flow rate of an IV infusion?

    <p>All of the above</p> Signup and view all the answers

    Which formula is used to calculate the flow rate of an IV fluid?

    <p>Flow rate (drops/min) = Total volume (mL) / Total time (minutes)</p> Signup and view all the answers

    What is the drop factor for regular infusion sets (macrodrip) used in IV fluid administration?

    <p>15 drops/mL</p> Signup and view all the answers

    What is the drop factor for infants in IV fluid administration?

    <p>60 microdrops/mL</p> Signup and view all the answers

    Which route of drug administration involves injections that are given into the dermis, just below the epidermis, most often used for allergy testing and tuberculosis testing?

    <p>Intradermal injections</p> Signup and view all the answers

    What is the purpose of using BSA charts in pediatric drug dosage calculations?

    <p>To estimate the patient's body surface area</p> Signup and view all the answers

    What is the drop factor for regular infusion sets (macrodrip) used in IV fluid administration?

    <p>20 drops/mL</p> Signup and view all the answers

    What is the formula for calculating pediatric drug dosages based on Clark's rule?

    <p>Dose = Child's weight (kg) / 150 lb × Adult dose</p> Signup and view all the answers

    Which route of drug administration involves applying a drug to the mucous membranes under the tongue?

    <p>Sublingual route</p> Signup and view all the answers

    What is the purpose of the Z-track technique in intramuscular (IM) injections?

    <p>To prevent tracking (leakage) of the medication into the subcutaneous tissue</p> Signup and view all the answers

    What is the recommended method for calculating pediatric drug doses based on body weight?

    <p>Fraction method</p> Signup and view all the answers

    What is the formula used to calculate pediatric drug dosage based on the child's body weight?

    <p>Dosage = (Weight in kg x Desired dose) / 2.2</p> Signup and view all the answers

    Which of the following is a nursing responsibility when giving drugs to infants or children?

    <p>Double-checking the original order and confirming the correct dose was calculated</p> Signup and view all the answers

    What is the purpose of using nomograms in pediatric drug dosage calculations?

    <p>To calculate the body surface area (BSA) in square meters</p> Signup and view all the answers

    What is the main concern when administering drugs through the intravenous (IV) route?

    <p>Potential adverse drug reactions</p> Signup and view all the answers

    What does the flow rate of an IV fluid indicate?

    <p>How many milliliters are given to the patient in an hour</p> Signup and view all the answers

    Which of the following is an important consideration when giving drugs to a patient?

    <p>Knowing the patient's allergies</p> Signup and view all the answers

    What should healthcare providers do to minimize interruptions and distractions while preparing drugs?

    <p>Minimize interruptions and distractions</p> Signup and view all the answers

    What should you compare the drug order with before administering the drug?

    <p>All of the above</p> Signup and view all the answers

    What is the main concern when administering drugs through the intravenous (IV) route?

    <p>Washing hands to avoid contamination</p> Signup and view all the answers

    What is the purpose of the 9 Rights of Drug Administration?

    <p>To ensure accurate drug administration</p> Signup and view all the answers

    What is an important consideration when giving drugs to infants or children?

    <p>Calculating pediatric drug doses based on body weight</p> Signup and view all the answers

    Which of the following is the correct unit for measuring insulin dosage?

    <p>Units (u)</p> Signup and view all the answers

    What is the concentration of U-100 insulin?

    <p>100 units per 1 mL of solution</p> Signup and view all the answers

    Why is it important to recheck the insulin order, bottle, and drawn-up dose with another nurse?

    <p>To prevent medication errors</p> Signup and view all the answers

    Which method is recommended for calculating pediatric drug doses based on body weight?

    <p>Body surface area (BSA)</p> Signup and view all the answers

    Which of the following routes of drug administration involves the use of a tube going through the nose and esophagus into the stomach?

    <p>Nasogastric (NG) tube</p> Signup and view all the answers

    Which of the following is a chart that displays the relationships between two different types of data so that complex calculations are not necessary?

    <p>Nomogram</p> Signup and view all the answers

    Which of the following routes of drug administration involves the application of a drug to the mucous membranes under the tongue?

    <p>Sublingual route</p> Signup and view all the answers

    Which of the following is a two compartment vial that contains a sterile solution in one compartment and the powdered drug in the second compartment, separated by a rubber stopper?

    <p>Mix-o-Vial</p> Signup and view all the answers

    Which of the following is the formula used to calculate the flow rate for IV fluid administration?

    <p>Flow Rate = Volume / Time</p> Signup and view all the answers

    What is the drop factor for regular infusion sets (macrodrip) used in IV fluid administration?

    <p>10-15 drops/mL</p> Signup and view all the answers

    What is the purpose of the Z-track technique in intramuscular (IM) injections?

    <p>To prevent leakage of the medication into subcutaneous tissue</p> Signup and view all the answers

    What is the main concern when administering drugs through the intravenous (IV) route?

    <p>Potential for adverse events such as fluid overload or adverse drug reactions</p> Signup and view all the answers

    Which of the following is the correct definition of aseptic technique?

    <p>Manipulation that does not contaminate the sterility of the drug and drug delivery system.</p> Signup and view all the answers

    Which of the following is the correct definition of body surface area (BSA)?

    <p>The total tissue area (including height and weight) of a patient's body.</p> Signup and view all the answers

    Which of the following is the correct definition of drop factor?

    <p>The number of drops per milliliter of fluid.</p> Signup and view all the answers

    Which of the following is the correct definition of flow rate?

    <p>The rate at which intravenous fluids are given.</p> Signup and view all the answers

    Which formula is used to calculate the flow rate for IV fluid administration?

    <p>Flow rate = Total number of drops ordered / Number of minutes the IV is to flow</p> Signup and view all the answers

    What is the formula for calculating the total infusion time for IV fluid administration?

    <p>Total infusion time = Total number of drops ordered / Drop factor</p> Signup and view all the answers

    What is the formula for calculating the flow rate in infants using a microdrop drop factor?

    <p>Flow rate = Total number of drops ordered / Number of minutes the IV is to flow</p> Signup and view all the answers

    What is the drop factor for regular infusion sets (macrodrip) used in IV fluid administration?

    <p>15 drops/mL</p> Signup and view all the answers

    Which method is often used to convert from one set of measurement units to another set of units by using conversion factors in such a way that unwanted units are canceled out?

    <p>Dimensional Analysis Method</p> Signup and view all the answers

    What is the formula for calculating the dosage of a drug using the ratio and proportion method?

    <p>Dosage = (Amount of drug to be given / Quantity of the dosage) * (Number of units of the drug in the dosage form / Quantity of the dosage form)</p> Signup and view all the answers

    What is the final dose in teaspoons for a drug solution with a concentration of 125 mg/mL, when the patient needs a dosage of 1250 mg?

    <p>2 tsp</p> Signup and view all the answers

    Which steps in solving drug dosage calculations involve conversions using dimensional analysis?

    <p>Step 1 and Step 3</p> Signup and view all the answers

    Which of the following is a key consideration when giving drugs to a patient?

    <p>Knowing the patient's specific allergies</p> Signup and view all the answers

    What is the purpose of comparing the drug order with the written order, MAR, and drug label before administering a drug?

    <p>To ensure the correct drug is being administered</p> Signup and view all the answers

    What is the main concern when administering drugs through the intravenous (IV) route?

    <p>Ensuring the drug is being administered at the correct flow rate</p> Signup and view all the answers

    What is the purpose of the Z-track technique in intramuscular (IM) injections?

    <p>To prevent leakage of the medication into the subcutaneous tissue</p> Signup and view all the answers

    What is the purpose of using BSA charts in pediatric drug dosage calculations?

    <p>To calculate the appropriate dosage based on the child's body surface area</p> Signup and view all the answers

    What is the recommended method for calculating pediatric drug doses based on body weight?

    <p>Using BSA charts</p> Signup and view all the answers

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