Which of the following is a chronic liver disease that gradually destroys the bile ducts in the liver?
a. Primary biliary cirrhosis
b. Gilbert's syndrome
c. Hemochromatosis
d. Hematemesis
a. Primary biliary cirrhosis
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How do self-antigens that are specific to tissues away from the thymus (like insulin or keratin for example) get in the thymus so that developing T cells that react to them can be deleted?
A. Dendritic cells pick them up in the periphery and carry them to the thymus. B. Specialized macrophages in the thymus filter the bloodstream and present antigens found there to developing T cells. C. A transcription factor, AIRE is expressed in thymic medullary epithelial cells, which allows these cells to express proteins normally found in other tissues. D. They do not get to the thymus, all tissue-specific T cells are deleted in the periphery. E. There are special chaperone proteins that bind to peripheral proteins and carry them to the thymus.
The mental health of which parent is most often the biggest factor in the mental health of a child? Why?
What will be an ideal response?
Explain why you should not try to make your mind blank or think of nothing when meditating
Which of the following is TRUE concerning the body's stress response?
A. Sex hormones are increased so that the human race can thrive. B. Breathing rate slows so that muscles are ready to do battle. C. Stress hormones cause oxygen to be released to the muscles for super strength. D. Stored sugar and fats remain in the liver in case of injury. E. Blood clotting stops to prevent infection.