Which of these descriptions best matches the term T lymphocytes?
A) adhere to collagen beneath endothelium
B) are involved in cell mediated immunity
C) develop into plasma cells and produce antibodies in response to antigens
D) kill bacteria using hydrogen peroxide
E) often elevated in allergic individuals
B
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Growth hormones act indirectly to make the epiphyseal plate cartilage grow. What then acts directly to make it grow?
What will be an ideal response?
When you eat a large meal and your body absorbs a lot of glucose and that makes its way to the interstitial fluid before going into the cell. 100% of the glucose should be absorbed into the cell from the interstitial fluid. Why does nearly all of the glucose enter the cell, rather than only half of it?
A) Insulin forces glucose into the cell against a concentration gradient. B) The cells make ATP so fast, they use up all the glucose as soon as it enters the cell. C) It is modified by the cell, so there is still more glucose on the outside of the cell than inside it. D) It is moved by active transport.
A construction worker was injured when a metal rod penetrated his abdominal wall inferior to his umbilicus and in the hypogastric region. The rod passed through to the lumbar region. Which of the following structures was most likely damaged?
A. Stomach B. Kidney C. Urinary bladder D. Liver
A cell that forms fibrous connective tissue would be called a
A. fibroclast. B. fibroblast. C. fibromast. D. fibrocyte. E. fibroid.