You can be sure you have administered the intradermal injection properly if which occurs?
There is no pain at the site.
There is immediate blood return at the site.
The skin remains flat and turns red at the injection site.
A bleb or wheal occurs immediately.
The Correct Answer is D
Choice A rationale
Absence of pain at the site of an intradermal injection does not confirm proper administration. While minimizing pain is a goal, the primary indicator of correct intradermal placement is the formation of a bleb, which signifies the medication has been correctly deposited within the dermal layer, not subcutaneously.
Choice B rationale
Immediate blood return at the site of an intradermal injection indicates improper technique, specifically penetration into a blood vessel. Intradermal injections are administered into the avascular dermal layer; therefore, aspiration should yield no blood, and blood return necessitates withdrawing and restarting the injection at a new site.
Choice C rationale
Skin remaining flat and turning red at the injection site is not indicative of proper intradermal injection. Redness may occur due to irritation, but a flat appearance suggests the medication was either injected too deeply into the subcutaneous tissue or insufficient volume was administered into the dermal layer to form a bleb.
Choice D rationale
The immediate formation of a bleb or wheal, resembling a small blister, is the definitive sign of a correctly administered intradermal injection. This occurs because the medication is deposited precisely into the superficial dermal layer of the skin, causing a localized elevation as the fluid displaces tissue.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Graphesthesia is a sensory ability that allows an individual to recognize numbers or letters traced on their skin with their eyes closed. This assesses cortical sensory function, specifically the ability to interpret tactile stimuli, which is distinct from identifying a three-dimensional object by touch alone.
Choice B rationale
The Romberg test assesses proprioception and cerebellar function by asking the patient to stand with feet together and eyes closed. A positive Romberg sign indicates a loss of balance, suggesting a deficit in proprioception or vestibular function, and is not related to the identification of objects by touch.
Choice C rationale
Superficial reflexes, such as the plantar reflex or abdominal reflex, are elicited by light tactile stimulation of the skin and involve spinal cord reflex arcs. These reflexes assess the integrity of specific neurological pathways and are distinct from the cognitive process of identifying an object through tactile recognition.
Choice D rationale
Stereognosis is the ability to recognize familiar objects by touch and manipulation, without visual input. This cortical sensory function integrates tactile, proprioceptive, and kinesthetic sensations to form a mental image of the object's shape, size, and texture, allowing for its identification.
Correct Answer is ["167"]
Explanation
Step 1 is: Calculate the flow rate in mL per hour. (500 mg ÷ 500 mg) × 250 mL = 250 mL. (250 mL ÷ 90 min) × 60 min = 166.666. mL/hr. Rounded to the whole number, the flow rate is 167 mL/hr.
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