\begin{tabular}{l} Question 16 \\ Have bacteriophage been successfully used to kill pathogenic bacteria (including E. coli \\ O157:H7, Salmonella, Campylobacter, Listeria monocytogenes) contaminating food? \\ Yes! \\ No! \\ \hline\end{tabular}

True or False Question After the development process, mature lymphocytes populate the lymphatic organs. 1 of 51 concepts completed (i) True False

A(n) epidemic results from an infectlous agent that is communicable from person to person. point-source endemic propagated

Mature B cells and T cells can only migrate in the blood cannot leave the lymphoid tissues migrate in and out of lymphoid tissues

Why is hormone human chorionic gonadotropin (HCG) an appropriate material to test for in a pregnancy test? Human chorionic gonadotropin (HCG) is only produced during a pregnancy Human chorionic gonadotropin (HCG) is a cell that is produced by the fetus Hormone human chorionic gonadotropin (HCG) production is lower during a pregnancy All of the above none of the above

Which of these produces carbon dioxide \( \left(\mathrm{CO}_{2}\right) \) ? alcoholic fermentation both types of fermentation neither type of fermentation lactic acid fermentation