Which Class of HLA Antigens Would Be Typed When Matching

question 31

Multiple Choice

Which class of HLA antigens would be typed when matching patient and donors for platelet transfusion?

• A)Class I only
• B)Class II only
• C)Class I and II
• D)Classes I,II,and III

---

Definitions:

Lyme Disease

An infectious disease caused by Borrelia bacteria, transmitted to humans through the bite of infected black-legged or deer ticks.

Eczema

A condition that causes inflamed, itchy, cracked, and rough skin patches, and sometimes blisters.

Medication Allergy

An immune system reaction that occurs as a response to a specific medication, ranging from mild to severe.

Carbon Monoxide Poisoning

A potentially fatal condition caused by inhalation of carbon monoxide gas, which prevents oxygen from being utilized properly by the body.