After maturation, T lymphocytes tend to remain in the same lymphatic structure for life.
Answer the following statement true (T) or false (F)
False
T lymphocytes enter the blood and circulate to different lymphatic structures every few days to enhance their chances of encountering antigen. This is called lymphocyte recirculation.
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Within the body, carotene is converted to
A. vitamin A, which is important for auditory function. B. vitamin E, which is important for auditory function C. vitamin E, which is important for visual function. D. vitamin A, which is important for visual function.
Using the figure below, identify the labeled part.
1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
9) Label I: ______________________________
10) Label J: ______________________________
How much water needs to be added to a 5 g vial of drug powder to make a 2.5% solution?
a. 200 mL b. 50 mL c. 100 mL d. 150 mL
Which of these is found in the fovea centralis?
A. Ganglion cells B. Cones C. Amacrine cells D. Bipolar cells