Which of these describes secondary hypersecretion of hormone X?
A. A growing tumor secretes hormone Y, which stimulates the gland that secretes hormone X.
B. Cells of a growing tumor manufacture hormone X in unregulated fashion.
C. Negative feedback from a tumor that hypersecretes hormone Z inhibits the gland that secretes hormone X.
D. Hormone X is secreted by a growing tumor that is in the anterior pituitary gland.
E. Hormone X is secreted in unregulated fashion by a tumor growing in a tissue that does not normally secrete hormone X.
A
You might also like to view...
Most inspired particles such as dust fail to reach the lungs because of the ________.
A) ciliated mucous lining in the nose B) abundant blood supply to nasal mucosa C) porous structure of turbinate bones D) action of the epiglottis
The connective tissues of the heart
A) provide a strong fibrous cross-linkage system wrapping adjacent muscle cells together. B) consist only of many dense collagen fibers. C) do not join the muscle fibers to the fibrous skeleton of the heart. D) All of the answers are correct. E) None of the answers are correct.
Helper T cells are important only for cell-mediated immune responses.
Answer the following statement true (T) or false (F)
Choose the statement that correctly describes the structure or function of dendrites.
A. Are thin extensions of the axon B. Transmit graded electrochemical impulses toward the cell body C. Release neurotransmitters to initiate graded potentials in adjacent cells D. Transmit action potentials away from the cell body