The drug Botox is the same toxin produced by Clostridium botulinum, the bacterium that causes food poisoning
Indicate whether the statement is true or false.
Answer: TRUE
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A primary focus of clonal expansion is best described as _____
a. the location in the B-cell zone where conjugate pairs of B and T cells undergo cellular proliferation, isotype switching, and somatic hypermutation b. the location in the medullary cords where conjugate pairs of B cells and T cells undergo cellular proliferation and IgM is secreted c. the dark zone of the germinal center where centroblasts divide and pack closely together d. the initial wave of B-cell proliferation induced by T-independent antigens.
Which activity is connected with 30 percent of new cases of obesity?
a. watching television b. emotional eating c. social networking d. getting married e. choosing fast food
Mr. Jones had a partial gastrectomy to treat a severe bleeding ulcer. Which of the following types of anemia would he be most susceptible to developing after the surgery?
A. Aplastic anemia B. Hemolytic anemia C. Sickle cell anemia D. Pernicious anemia E. Iron deficiency anemia
One hundred percent of all lung cancers could be avoided if people did not smoke
Indicate whether the statement is true or false