Which of the following is an accurate description of how centroblasts differ from centrocytes?
a. Centroblasts cease their expression of cell-surface immunoglobulins.
b. Centroblasts divide more slowly than centrocytes.
c. Centroblasts express CD44 but centrocytes do not.
d. Centrocytes, but not centroblasts, initiate the process of isotype switching.
e. Centroblasts participate in affinity maturation.
a
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Use the definitions given to complete the crossword puzzles
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ACROSS
3 anemia results from B12 deficiency
6 Blood poisoning
8 Test that determines the number of each type of leukocyte
9 Test that measures the volume of red blood cells
10 Cancer of leukocyte-forming bone marrow
DOWN
1 Inherited lack of vital clotting factor
2 Substance that prevents clot formation
4 Commonly called a bruise
5 Another name for thrombocytes
7 Venipuncture
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ACROSS
1 Medication to block the effects of histamine
4 Severe itching with hives
5 Common name for pharyngeal tonsils
8 Protein that transports oxygen
9 Red, painful, hot, swollen tissue response to injury
DOWN
1 Another term for anaphylactic shock
2 Autoimmune disease with fibrous lesions
3 Also called immunization
6 Organ that removes damaged red blood cells
7 Gland necessary for development of immune system
Men have a higher death rate from cirrhosis than women.
Answer the following statement true (T) or false (F)
Social media screening is
A) the collecting and public screening of a celebrity's online information. B) a criminal investigation of the social media activity of a suspect. C) the practice of seeking online information about a prospective employee. D) illegal.
According to research, most young people volunteer to help people, not to address a social or political issue.
Answer the following statement true (T) or false (F)