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 ________.

Hematopoiesis is the ________.

A 35-year-old male presents to the ER with a laceration on his left hand. The patient reports an hour ago he was working on renovations in his 1945 home, when an old board fell and injured his hand. The laceration is approximately 3 inches long and moderately deep. It appears that the cut was bleeding heavily, but he has stopped the bleeding by holding pressure on the site with an old t-shirt.   Which line(s) of defense has been breached for this injury?   

Diapedesis is the ________.

The Western blot test is confirmatory for HIV because ________.