An Infant Is Evaluated at the Office After Developing Prominent

question 245

Multiple Choice

An infant is evaluated at the office after developing prominent oral thrush, interstitial pneumonia, and severe lymphopenia during the first year of life.  The patient was born full-term to a 25-year-old woman who received no prenatal care and has substance use disorder with intravenous drug use.  She breastfed her son for the first month but then switched to formula feedings.  The mother is currently unwilling to undergo any kind of testing.  She tells the health care provider, "Just take care of my son."  Which of the following prenatal interventions would have most likely prevented this infant's condition?

• A)Enzyme inhibitor drug
• B)Interferon therapy
• C)Killed vaccine
• D)Live attenuated vaccine
• E)Prenatal vitamins
• F)Toxoid vaccine
• G)Viral component vaccine

---

Definitions:

Extinction

In psychology, the gradual weakening of a conditioned response when the reinforcement is no longer provided.

Stimulus Generalization

A psychological phenomenon in which a response that has been conditioned for one stimulus is evoked by another, similar stimulus.

Response Attenuation

The reduced reaction to a stimulus over time, typically as a result of repeated exposure.

Stimulus Generalization

The process by which a conditioned response is triggered by stimuli that are similar but not identical to the original conditioned stimulus.