IgG Is Known to Fix Complement, Which Aids in the Lysis

question 15

Multiple Choice

IgG is known to fix complement, which aids in the lysis or elimination of foreign materials.Molecules in the IgG subclasses differ in their ability to fix complement.Which IgG subclass is the most active in complement fixation?

• A)IgG-1
• B)IgG-2
• C)IgG-3
• D)IgG-4

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Definitions:

Minor Trauma

Refers to physical injuries that are not life-threatening and usually require minimal medical intervention.

Contusion

A medical term for a bruise, which is a discoloration of the skin caused by bleeding underneath, usually due to trauma.

Sprain

An injury to a ligament caused by tearing or overstressing, often occurring in ankles, knees, or wrists.

Trochlea

A grooved structure in the body, especially a pulley-like part at the upper end of the ulna where it articulates with the humerus at the elbow joint.