Onset of labor may result from
A. increased estrogen secretion by the placenta.
B. increased glucocorticoid secretion by the mother.
C. increased secretion of oxytocin by the fetus.
D. increased progesterone secretion by the placenta.
E. decreased prostaglandins.
A
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Which of the following is TRUE regarding pituitary growth hormone (GH)?
A. GH exerts negative feedback on its own production by inhibiting the hypothalamic secretion of somatostatin. B. GH increases the sensitivity of tissues to the action of insulin. C. The liver produces a factor that mediates the metabolic actions of GH. D. GH stimulates insulin-like growth factor-1 (IGF-1) production by the liver and by many other cells. E. IGF-1 stimulates the secretion of GH by anterior pituitary gland cells.
Genes, radiation, and sunlight exposure can be ________ to make a cell cancerous.
A. tests B. counters C. impediments D. triggers
In a mixture of gases, each gas creates a pressure called its ______ ______
Fill in the blank(s) with correct word
When a neuron starts to depolarize, ____________________ ions move into the cell
Fill in the blank(s) with correct word