The three kinds of formed elements in blood are erythrocytes, leukocytes, and
A) lymphocytes.
B) platelets.
C) phagocytes.
D) plasma cells.
E) mast cells.
B
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T-lymphocytes in the thymus gland do not participate in the immune response and are protected from antigens by
A. the blood-thymus barrier. B. the low pH of the thymus gland. C. thymic macrophages. D. trabecular fibers. E. circulating B-lymphocytes.
The aerobic reactions of cellular respiration occur in the mitochondria.
Answer the following statement true (T) or false (F)
Which of the following is the function of hair associated with a nerve fiber?
A) provides an early-warning system that may help prevent injury B) helps cushion a light blow to the head C) protects the scalp from UV light D) helps prevent the entry of foreign particles E) provides protection for the surface of the eye
A person enters the emergency room of a hospital complaining of chest pain and shortness of breath. Upon receiving the test results, it is determined that the individual is experiencing a myocardial infarct. Anatomically speaking, what is going on during this condition, and what is the likely prognosis?
What will be an ideal response?