Food allergies include gastrointestinal symptoms and often hives.

A 16-year-old male with a low-grade fever, and large and painful red sores around his lips is being evaluated at a pediatric clinic. He has a PCR test pending that was swabbed from the sores, as well as a blood culture with Gram stain, and nasopharyngeal specimen for microscopic examination.   Which of the following can be determined from phenotypic assessment of the nasopharyngeal sample? 

What could result when grafted tissue such as bone marrow contains passenger lymphocytes?

Allergic reactions to penicillins are considered a(n) ________ hypersensitivity.

Acquired specific immunity involves the response of ________.

The region of each antibody molecule where amino acid composition is highly different from one clone of B lymphocytes to another is the ________.

A 28-year-old woman is 30 weeks pregnant with her second child and is being seen for a scheduled obstetric visit. Her first pregnancy and delivery was uncomplicated, and she has a healthy 2-year-old girl. It is known that the mother is Rh-, and this child could be at risk for hemolytic disease of the newborn. She received RhoGAM with her first pregnancy.   The patient asks the nurse to explain what an Rh reaction involves with her baby. What is the best explanation? 

Which of the following is not a component of the first line of defense?

Acquired specific immunity involves the response of ________.

The body region where a ciliary escalator helps to sweep microbes trapped in mucus away from that body site is the ________.