All of the following are true of the thymus gland except that it
A) activates B cells.
B) reaches its greatest relative size before puberty.
C) involutes after puberty.
D) produces T cells.
E) lies in the anterior mediastinum.
Answer: A
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The two collecting ducts that drain the lymphatic trunks are the
A) bronchomediastinal duct and subclavian duct. B) intestinal duct and left intercostal duct. C) thoracic duct and right lymphatic duct. D) lumbar duct and left lymphatic duct.
An individual has just ingested a chemical that binds irreversibly to the ACh receptors in the sarcolemma. By itself it does not alter membrane potential, yet prevents normal neurotransmitter binding. Ignoring the effects on any other system, the consequence to skeletal muscle would be ________.
Fill in the blank(s) with correct answer
Type B blood contains antigen B and anti-B antibodies.
Answer the following statement true (T) or false (F)
________ development includes the changes from birth to maturity. (Note: Be sure to capitalize the first letter of your answer).
Fill in the blank(s) with the appropriate word(s).