Match the immunoglobulin to its description.
1. crosses the placenta
2. present in breast milk
3. physiological role is unclear
4. binds to mast cells, triggering degranulation
5. reacts to blood group antigens
A. IgA
B. IgM
C. IgG
D. IgD
E. IgE
1. C. IgG
2. A. IgA
3. D. IgD
4. E. IgE
5. B. IgM
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Which of the following descriptions best matches the term myometrium?
A) thick layer of smooth muscle cells B) supports the uterus anteriorly C) supports the uterus laterally D) consists of a functional zone and a basilar zone E) After ovulation, the ovum is captured by it.
Which cell type in the lymph node has an active role in filtering the lymph?
A. T cells B. B cells C. Macrophages D. Reticular cells
During exercise, arterioles to the skeletal muscles ________
A) dilate in response to increased muscle metabolites B) constrict in response to increased O2 and decreased CO2 C) constrict in response to increased muscle metabolites D) dilate in response to increased O2 and decreased CO2
The heart has two chambers
Indicate whether the statement is true or false