A pregnant woman finds out that she has been exposed to measles. She is worried that
her fetus might be infected. You take a cord (fetal) blood sample and find antibodies
that bind to the measles virus!! After calling the lab for more information, you tell the
woman not to worry. What did you tell her next? - ✔️✔️The antibodies to measles were
IgG, so the fetus is making it's own immune response so not to worry
________ cells make ________ to attract and retain "alternatively activated
macrophages" - ✔️✔️Th1; IFN-g (gamma)
Which of the following is the most specific name for a substance made by a cell that
"calls" cells toward it - ✔️✔️A cytokine
At birth an infant has 200 units of IgG antibody against rubella per ML in his blood. He is
not exposed to rubella. At 9 weeks of age, what should the concentration be? - ✔️✔️2
A fetus makes both IgM and IgG antibodies - ✔️✔️false
Clonal selection occurs in B and T lymphocytes - ✔️✔️true
At one month of age, the IgG in an infant's blood is: - ✔️✔️Almost all made by the
mother
In the ______________, lymphocytes which bind antigen with high affinity
____________. - ✔️✔️Thymus; die by apoptosis
A routine sample of a newborn baby's blood is sent to the lab to be tested for antibody
to cytomegalovirus, which can cause serious developmental abnormalities in an
infected fetus. The ward clerk says the report has been called in as "positive" (there are
antibodies that bind cytomegalovirus). You think: - ✔️✔️If it's IgG, I'll suspect a lab
error
What causes a Th0 to become a Th1, Th2, Tfh, Treg or Th17? - ✔️✔️Information from
a Dendritic Cell