A nurse is explaining to a new nurse what causes contact dermatitis. Which of the following best
describes the pathophysiology of this condition?
- Contact with the antigen results in T-lymphocyte proliferation causing an allergic response.
The nurse is assessing a patient with a suspected allergic reaction. Which of the following reactions
would lead the nurse to conclude that the patient is experiencing a mild allergic reaction?
- Localized redness, rash, and itching.
The nurse is educating a patient on the proper administration of topical hydrocortisone. Which of the
following needs to be included? (select all that apply)
- Apply a thin layer of medication while rubbing it in gently;
Cleanse affected area and assess skin integrity prior to medication application.
A nurse is describing to a new nurse how diphenhydramine works. Which of the following correctly
describes the mechanism of action of diphenhydramine?
- Competes for H1-receptor sites to prevent histamine-mediated responses.
A patient has an order for diphenhydramine elixir 12.5 mg orally every 6 hours for 24 hours, and then as
needed for rash. The nurse only has access to diphenhydramine in a 50 mg/mL intravenous (IV) injectable
vial. The nurse draws up 0.25 mL into a syringe to administer to the patient. Which principle of
medication administration has the nurse violated?
- Right route.
The nurse is completing a focused cardiovascular assessment on a 6-year-old patient who arrived with a
mild allergic reaction. Which finding would suggest that the patient's condition is worsening?
- Peripheral pulses weak and thready.