T cells respond to antigens by secreting cytokines called ________, which increase T cell production and directly kill cells that have antigens.
Fill in the blank(s) with the appropriate word(s).
lymphokines
Lymphokines, secreted by T cells, increase T-cell production and directly kill cells that have antigens.
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You respond to a 65-year-old patient complaining of abdominal pain. Your physical exam reveals a nonpulsating mass in the lower left quadrant. You suspect:
A) aortic abdominal aneurysm. B) splenic rupture. C) hernia. D) appendicitis.
Which of the following statements regarding shallow foundations is MOST accurate?
A) Shallow foundations transfer the weight of the building from the base of the building to the surrounding soil. B) Shallow foundations are used when the load-bearing ability of the soil beneath the building is inadequate to support the building. C) Shallow foundations usually make use of footings to transmit the load to the soil. D) Shallow foundations are more costly than deep foundations.