When preparing to administer an intradermal injection to an adult, the nurse ensures that the dose amount does not exceed 0.1 mL. A 1 mL tuberculin syringe is used with a 25-gauge needle and is administered at which angle?
12-degree.
15-degree.
30-degree.
45-degree.
The Correct Answer is B
Choice A reason: A 12-degree angle is too shallow, increasing the risk of incorrect placement and ineffective administration of the intradermal injection.
Choice B reason: The 15-degree angle ensures precise intradermal placement, forming a wheal that indicates proper administration into the dermis for optimal absorption.
Choice C reason: A 30-degree angle places the medication too deep into subcutaneous tissue, compromising intended drug absorption.
Choice D reason: A 45-degree angle results in subcutaneous rather than intradermal injection, altering the drug’s effectiveness and purpose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Flow rate is volume divided by time; 250 mL over 4 hours equals 62.5 mL/hr, ensuring safe transfusion pacing to avoid fluid overload or hemolysis.
Choice B reason: 125 mL/hr assumes 250 mL over 2 hours; this doubles the ordered rate, risking circulatory overload and transfusion reactions in a standard protocol.
Choice C reason: 250 mL/hr infuses the unit in 1 hour; this rapid rate exceeds safe limits, potentially causing hypertension or pulmonary edema in vulnerable patients.
Choice D reason: 500 mL/hr is far too fast, implying 250 mL in 30 minutes; this dangerous speed could trigger severe hemolytic reactions or cardiovascular collapse.
Correct Answer is D
Explanation
Choice A reason: Moderate reactions don't cause breathing difficulty or hypotension. Severe symptoms indicate anaphylaxis, requiring emergency intervention.
Choice B reason: Symptoms align with anaphylaxis, not food poisoning. Assuming an unrelated cause delays life-saving treatment.
Choice C reason: Mild reactions lack systemic effects like hypotension and breathing difficulties. Antihistamines alone are insufficient for anaphylaxis.
Choice D reason: Anaphylaxis involves systemic reactions such as hypotension, airway constriction, and skin symptoms. Immediate interventions prevent progression and save lives.
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