Menstrual Flow Begins in Response to

question 140

Multiple Choice

Menstrual flow begins in response to

• A) rising levels of FSH and LH.
• B) falling levels of estrogen only.
• C) falling levels of progesterone only.
• D) falling levels of both estrogen and progesterone.
• E) a rise in human chorionic gonadotropin.

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Definitions:

Orbital

A mathematical formula that characterizes the wave-patterns of a single electron or an electron duo within an atom.

Aromatic

Refers to chemicals that contain benzene rings, or similar ring structures, which are stable and have distinctive smells.

Antiaromatic

A term describing cyclic compounds that are unstable due to conjugated pi electrons disrupting the molecule’s planarity or symmetry.

Nonaromatic

Refers to compounds that do not have a conjugated system of electrons typical of aromatic compounds, lacking the distinctive stability and ring structure of benzene.