IgM Is Particularly Efficient at Fixing Complement Because It _____

question 47

Multiple Choice

IgM is particularly efficient at fixing complement because it _____.

• A)is a much larger antibody than the other isotypes
• B)has an extra C_H domain
• C)is made first in an immune response and therefore has first access to C1q
• D)has five binding sites for C1q
• E)has easy access to extravascular areas.

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Definitions:

Gynecomastia

The enlargement of breast tissue in males, often due to hormonal imbalances, medication, or certain health conditions, not related to excess fat.

Simultaneous Orgasms

The occurrence of orgasms happening at the same time between sexual partners, often considered a desirable outcome during sexual activities.

Penis Size

Refers to the dimension of the male genital organ, which varies widely and is often a subject of personal or societal interest.

Urethra

The tube that carries urine from the bladder to the outside of the body in both sexes, and also conveys semen in males.