Which of the Following Statements Are True of the Spleen

question 4

Multiple Choice

Which of the following statements are true of the spleen and thymus (Select all that apply) ?

• A)The spleen is located behind the stomach and is protected by the right lower rib cage.
• B)The thymus is located on the back of the trachea above the thyroid gland.
• C)The thymus is a source of T lymphocytes,and is the site of maturation for these cells.
• D)The spleen is a reservoir for platelets and monocytes.
• E)If the spleen must be removed,the liver will help compensate by producing antibodies.
• F)The thymus is essential for the development of cell-mediated immunity.

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Definitions:

Molecular Switch

A molecular mechanism wherein a molecule changes its structure in response to environmental signals, leading to a functional change.

Gene Expression

The process by which information from a gene is used to synthesize functional gene products (often proteins) that can affect a cell's structure and function.

Promoter

The nucleotide sequence in DNA to which RNA polymerase attaches to begin transcription.

Labeled

Marked with identifiers or tags for ease of identification or explanation.