A 6-Year-Old Male Is Brought to His Pediatrician's Office with Chickenpox

question 13

Multiple Choice

A 6-year-old male is brought to his pediatrician's office with chickenpox. He has had symptoms for one week, and his mother is concerned about the patient's 8-year-old sister because she had a long, painful chickenpox infection 2 years prior. Of note, the patient was not vaccinated against chickenpox because his parents did not think it was a serious enough virus to warrant the pain of the injection.
-Which of the following explanations correctly represents how this patient could have been protected from chickenpox infection? 

• A)He would not have been infected if he were breastfed as a baby because he would have passive natural immunity.
• B)He would not have been infected if his mother had gamma globulin administered during pregnancy because he would have passive artificial immunity.
• C)He could have been protected from infection if he received active artificial immunity through the form of a vaccine.
• D)He may have a primary immunodeficiency disease because healthy humans are not typically infected with chickenpox.

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