Which Uterine Layer Is Most Responsive to the Hormone Oxytocin

question 23

Multiple Choice

Which uterine layer is most responsive to the hormone oxytocin, which increases contractions and leads to expulsion of the fetus?

• A) endometrium
• B) myometrium
• C) perimetrium
• D) serosa

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Definitions:

Isotonic

A solution that has the same solute concentration as another solution, preventing the movement of water across a semipermeable membrane.

Osmosis

The spontaneous movement of solvent molecules through a semi-permeable membrane from a region of lower solute concentration to one of higher solute concentration.

Translocation

The movement of substances within an organism or the transfer of genes or segments of chromosomes from one location to another.

Transpiration

The process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released into the atmosphere.