Each of the Following Is True of Secretory Immunoglobulin a (SIgA)

question 30

Multiple Choice

Each of the following is true of secretory immunoglobulin A (sIgA) except one. Which one is the exception?

• A) sIgA levels are depressed in malnourished children.
• B) sIgA is present is rarely found in the oral cavity.
• C) This secretion provides the first line of defense in the oral cavity.
• D) sIgA is present in nasal, intestinal and other mucosal secretions.

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Definitions:

Male Reproductive System

The series of organs and structures in males responsible for producing, maintaining, and transporting sperm and seminal fluid for reproductive purposes.

Spermatotheca

A specialized structure in the reproductive tract of some female animals where sperm is stored after mating until it is needed to fertilize eggs.

Refractory Period

A recovery phase after orgasm during which an individual is unable to achieve another orgasm.

Ejaculation

The release of semen from the male reproductive tract, typically occurring during sexual climax.