How is the dosage strength on a drug label used in clinical practice?
It identifies whether the medication is generic or brand name.
It provides storage instructions for the medication.
It helps calculate the total volume of medication needed.
It ensures the nurse administers the correct amount of medication.
The Correct Answer is D
A. It identifies whether the medication is generic or brand name: While the label may indicate the medication name, the dosage strength specifically does not determine whether the drug is generic or brand; it focuses on the amount of active ingredient per unit.
B. It provides storage instructions for the medication: Storage instructions are typically included on the label separately, but the dosage strength itself does not guide storage requirements.
C. It helps calculate the total volume of medication needed: Dosage strength can assist in calculations, especially for liquid medications, but its primary purpose is not volume calculation; calculations depend on both prescribed dose and concentration.
D. It ensures the nurse administers the correct amount of medication: The dosage strength indicates how much active drug is present per tablet, capsule, or milliliter. Knowing this allows the nurse to administer the correct dose safely, preventing underdosing or overdosing and ensuring therapeutic effectiveness.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Administer insulin glargine and insulin lispro separately using two different syringes: Insulin glargine is a long-acting insulin that should never be mixed with other insulins, including rapid-acting insulins like lispro. Administering them separately ensures accurate dosing and maintains the intended pharmacokinetic profiles of both insulins.
B. Mix both insulins in a single syringe after warming them to room temperature: Mixing insulin glargine with lispro can alter the absorption and effectiveness of glargine, potentially leading to unpredictable blood glucose control. Warming to room temperature does not prevent this interaction.
C. Draw up insulin lispro first, then insulin glargine into the same syringe: Even if lispro is drawn first, mixing it with glargine in one syringe is unsafe. The chemical properties of glargine prevent it from being combined with other insulins without affecting its basal action.
D. Draw up insulin glargine first, then insulin lispro into the same syringe: Drawing glargine first does not make it safe to mix with lispro. Glargine must always be administered separately to maintain its long-acting effect and avoid dosing errors or hypoglycemia.
Correct Answer is D
Explanation
A. Subcutaneous: The subcutaneous route involves injection into the fatty tissue beneath the skin. Absorption is slower compared with intramuscular or intravenous routes because of limited blood flow in adipose tissue, making it unsuitable for rapid onset of medication effect.
B. Intradermal: Intradermal injections are administered into the dermis layer of the skin, primarily for diagnostic purposes such as allergy testing or tuberculosis screening. Absorption is very slow due to minimal vascularization, so it does not provide rapid systemic effects.
C. Intramuscular: Intramuscular injections deliver medication into muscle tissue, which has better blood supply than subcutaneous tissue. Absorption is faster than subcutaneous or intradermal routes but slower than intravenous administration.
D. Intravenous: Intravenous administration delivers medication directly into the bloodstream, providing immediate systemic availability. This route ensures the fastest absorption and onset of action, making it ideal for emergencies or when rapid therapeutic effect is needed.
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