Use the Information Below as Background for the Following Questions

question 9

Multiple Choice

Use the information below as background for the following questions.
Immunodeficiencies may be genetic in origin. Two examples of these are Bruton's agammaglobulinemia, an X-linked disorder, and DiGeorge syndrome, caused by a deletion from chromosome 22. Bruton's results in underdeveloped B cells, while DiGeorge syndrome results in a missing or seriously underdeveloped thymus.
-Which of the following might be a child with Bruton's disease?

• A)baby girl Denise, with low level of antibody response to streptococcal infection
• B)baby boy John, with immature T cells, missing CD4 receptors
• C)baby boy Jeff, with no plasma cells following infection by bacterial pneumonia
• D)baby girl Susan, with no evidence of a thymus gland
• E)baby boy Matt, with very low circulating antigens

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Definitions:

Harry Harlow

A psychologist known for his research on maternal separation, dependency needs, and social isolation experiments on rhesus monkeys.

Attachment

An emotional bond that forms between individuals, critical to personal development and psychological health.

Artificial Mothers

Refer to experimental or surrogate mother figures used in psychological studies to explore attachment, comfort, and emotional security in infants.

Erikson's Childhood Stages

A developmental theory by Erik Erikson that outlines eight stages from infancy to adulthood, with each stage presenting a psychological conflict that must be resolved for healthy personality development.