S1P1 receptor is upregulated by naïve T cells and B cells after 12–18 hours if they fail to encounter antigen in the lymph node. This means all of the following EXCEPT
A. the naïve cells have not been activated.
B. the naïve cells have not encountered antigen.
C. the naïve cells will exit the lymph node.
D. space will be made for other cells to enter the lymph node.
E. the naïve cells will die by apoptosis.
E
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An advantage of the Fem Cap over the diaphragm is that it
A. does not require being fitted by a health care provider. B. can be used by women with recurrent urinary tract infections. C. may be left in place for up to 1 week. D. provides more protection against HIV infection.
In order to relax a muscle, it is necessary to:
A. Become aware of what is causing the tension B. Develop cognitive awareness of the tension C. Practice at least an hour every day D. None of the above
Why does a urologist deal with both urinary tract problems and male genital problems?
A. The male reproductive system shares structures with the urinary system. B. The functions of the male reproductive system and the urinary system are similar. C. The male reproductive system is not as complex as the female reproductive system, so a specialist in male anatomy is able to learn enough about both systems easily. D. Most specialists have dual functions. E. None of these.
In the densitometry method of body composition analysis (hydrostatic weighing), the density of the body is compared with the density of
A. muscle. B. bone. C. fat. D. water.