Why is it unsafe to use a tuberculin syringe to administer insulin?
Tuberculin syringes lack unit calibrations specific to insulin.
Tuberculin syringes do not have a needle attached.
Tuberculin syringes can only be used for intramuscular injections.
Tuberculin syringes are too large for insulin administration.
The Correct Answer is A
A. Tuberculin syringes lack unit calibrations specific to insulin: Tuberculin syringes are marked in milliliters, not insulin units, which makes them inappropriate for accurate insulin dosing. Using them increases the risk of dosing errors and potential hypoglycemia or hyperglycemia.
B. Tuberculin syringes do not have a needle attached: Tuberculin syringes typically come with a needle or have compatible needles available. Lack of needle is not the main safety concern for insulin administration.
C. Tuberculin syringes can only be used for intramuscular injections: Tuberculin syringes can be used for subcutaneous or intradermal injections; their limitation is not route but the calibration for precise dosing, which is unsuitable for insulin.
D. Tuberculin syringes are too large for insulin administration: Tuberculin syringes are small (1 mL), but size is not the main issue. The critical concern is that they are not calibrated in insulin units, making precise dosing unsafe.
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Related Questions
Correct Answer is C
Explanation
A. 18 gauge, 1 1/2 inch: An 18-gauge needle is very large and long, typically used for rapid fluid administration or blood transfusions. Using this size for an intradermal injection would cause significant tissue trauma and pain.
B. 21 gauge, 1 inch: A 21-gauge, 1-inch needle is commonly used for intramuscular injections. It is too thick and too long for placement within the dermal layer, increasing the risk of incorrect administration.
C. 26–27 gauge, 1/2 inch: Intradermal injections require a very fine, short needle to deposit medication just beneath the epidermis. A 26–27 gauge needle with a 1/2-inch length allows precise placement and minimizes tissue damage.
D. 23–25 gauge, 5/8 inch: This needle size is more appropriate for subcutaneous injections. It is longer and thicker than needed for intradermal administration and may penetrate too deeply into subcutaneous tissue.
Correct Answer is A
Explanation
A. Collaboration: Verifying medication orders with the pharmacy demonstrates effective collaboration. The nurse works with other healthcare professionals to ensure accuracy, prevent errors, and promote safe patient care.
B. Time management: While managing time efficiently is important, verifying orders with the pharmacy specifically reflects teamwork and communication, not primarily time management.
C. Patient education: Patient education involves teaching the patient about their medications, conditions, or procedures. Confirming orders with the pharmacy does not directly involve educating the patient.
D. Delegation: Delegation refers to assigning tasks to other qualified personnel. Verifying medication orders is the nurse’s responsibility and does not involve transferring tasks to someone else.
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