The Only Class of Antibody That Can Cross the Placenta

question 23

Multiple Choice

The only class of antibody that can cross the placenta is

• A)IgA.
• B)IgD.
• C)IgG.
• D)IgE.

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Definitions:

Relapse

A regression or return to a previous state of health deterioration or substance use after a period of improvement or recovery.

Phasic Responses

Reactions that occur in distinct phases, typically in response to stimuli or changes in the environment.

Tonic Responses

Steady, prolonged physiological responses or activities in the body not directly associated with a phase of intermittent, sudden action.

Transient

Temporary or short-lived, often used to describe symptoms, feelings, or conditions that are not permanent.