A Newborn Who Is Accidentally Given a Drug That Destroys

question 26

Multiple Choice

A newborn who is accidentally given a drug that destroys the thymus would most likely

• A) lack class I MHC molecules on cell surfaces.
• B) lack humoral immunity.
• C) be unable to genetically rearrange antigen receptors.
• D) be unable to differentiate and mature T cells.
• E) have a reduced number of B cells and be unable to form antibodies.

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Definitions:

Splenic Flexure

The part of the large intestine that connects the transverse colon to the descending colon, located near the spleen.

Sigmoid Colon

The part of the large intestine that is closest to the rectum and anus.

Transverse Colon

The middle part of the large intestine, passing across the abdomen from right to left below the stomach.

Descending Colon

The part of the large intestine that descends from the splenic flexure to the sigmoid colon, involved in water and electrolyte absorption.