White blood cells that release histamine at the site of an injury are
A) neutrophils.
B) eosinophils.
C) basophils.
D) lymphocytes.
E) monocytes.
Answer: C
Anatomy & Physiology
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If you are exposed to hepatitis A and have not been vaccinated against it, you may receive antibodies from another person. This is an example of ________.
A. natural passive immunity B. natural active immunity C. artificial active immunity D. artificial passive immunity
Anatomy & Physiology
A circular muscle band that contracts at an orifice is also known as a _______________
Fill in the blank with correct word.
Anatomy & Physiology
In passive immunity, the individual has not had an antigenic challenge.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
Genes that play a role in the regulation of mitosis are called
A. proto-oncogenes. B. apoptogenes. C. oncogenes. D. mutagens. E. basal cells.
Anatomy & Physiology