Urgent Care Urgent Care for Allergic Reactions and Anaphylaxis

Question 1

What is the first-line treatment for anaphylaxis in an urgent care setting?

Accepted Answer

Epinephrine 0.3mg IM (1:1000)

Answer

Diphenhydramine 50mg IV

Answer

Hydrocortisone 200mg IV

Answer

Cetirizine 10mg oral

Question 2

At which anatomical site should epinephrine be injected for anaphylaxis in adults?

Accepted Answer

Anterolateral aspect of the mid-thigh

Answer

Deltoid muscle of the upper arm

Answer

Gluteus maximus

Answer

Forearm subcutaneous tissue

Question 3

Which combination of symptoms is classic for anaphylaxis?

Accepted Answer

Urticaria, angioedema, and bronchospasm

Answer

Fever, joint pain, and macular rash

Answer

Hypertension, bradycardia, and confusion

Answer

Isolated nausea and vomiting without skin findings

Question 4

What is the minimum recommended observation period after treating anaphylaxis in urgent care?

Accepted Answer

4-6 hours

Answer

30 minutes

Answer

1-2 hours

Answer

24 hours

Question 5

What is a biphasic anaphylactic reaction?

Accepted Answer

Recurrence of anaphylaxis symptoms after apparent resolution without re-exposure to allergen

Answer

Anaphylaxis affecting two organ systems simultaneously

Answer

Anaphylaxis requiring two sequential doses of epinephrine

Answer

An allergic reaction involving both IgE and IgG pathways

Question 6

Which of the following medications is considered a second-line adjunct — NOT a replacement for epinephrine — in anaphylaxis management?

Accepted Answer

All of the above are second-line adjuncts only

Answer

Diphenhydramine alone

Answer

Albuterol alone

Answer

Ranitidine alone

Question 7

A patient with anaphylaxis is not responding after two doses of IM epinephrine. What is the most appropriate next step in urgent care?

Accepted Answer

Initiate IV epinephrine infusion and arrange immediate transfer to the ED

Answer

Increase the dose of diphenhydramine to 100mg

Answer

Administer oral prednisone 60mg

Answer

Give a second antihistamine such as ranitidine