When reading a diagnostic skin test, the healthcare worker is observing the injection site for: does not belong and not related to learning outcomes - also if different diagnostic test may observe for other reaction

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When reading a diagnostic skin test, the healthcare worker is typically observing for induration (hardening of the skin) and erythema (redness) at the injection site. This indicates a positive reaction and helps to diagnose conditions like tuberculosis or allergies. Inflammation and edema (swelling) may also be observed but are not the primary indicators of a positive test. Irritation and pruritus (itchiness) may occur at the injection site but do not necessarily indicate a positive reaction. Urticaria (hives) and pustules (pus-filled bumps) are not typically associated with diagnostic skin testing.

When Reading a Diagnostic Skin Test, the Healthcare Worker Is