An Extremely Rare Occurrence in Humans Is a Multiple Pregnancy

question 35

Multiple Choice

An extremely rare occurrence in humans is a multiple pregnancy with the embryos at different stages due to fertilization weeks apart.What mechanism normally prevents this from happening?

• A)The embryo's secretion of FSH and LH maintains the corpus luteum,keeping estradiol and progesterone high until the placenta takes over secretion of these hormones.
• B)The embryo's secretion of GnRH maintains the corpus luteum,keeping FSH and LH high until the placenta takes over secretion of these hormones.
• C)The embryo's secretion of hCG maintains the corpus luteum,keeping estradiol and progesterone high until the placenta takes over secretion of these hormones.
• D)The follicle's secretion of polar bodies maintains the fimbriae,keeping estradiol and progesterone high until the fallopian tube takes over secretion of these hormones.

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Definitions:

Irrational Beliefs

Unrealistic, distorted, or erroneous beliefs that can contribute to emotional distress and behavior problems.

Activating Event

An incident in the environment or a situation that triggers a person's initial emotional or behavioral response.

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Sexual Orientation

An individual's pattern of emotional, romantic, or sexual attraction to others, categorized by the gender relationship between the person and the people they are attracted to.