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Serum hCG/beta-hCG levels: A) gradually increase throughought the first trimester in a normal pregnancy B) double every 48 hours during a normal pregnancy C) are a quantitiative measurement D) Begin to taper off at approximately 9 weeks gestation E) all of the above

Which of the following ovarian masses DOES NOT secrete hormones? A) arrhenoblastoma B) theca lutein cyst C) corpus luteum D) thecoma

Which of the following is NOT associated with an abnormal early pregnancy?

The sole non-living energy source for the majority of ecosystems on the planet is…

Your patient presents with a fever, abdominal tenderness, and leukocytosis. What is the diagnosis based on this finding in the right adnexa? A) Tubo-ovarian abscess B) ovarian torsion C) Hydrosalpinx D) ovarian fibroma

This patient presents to the ER with extremely elevated hCG levels, you are unable to detect fetal heart tones. What is the most likely diagnosis? A) anembryonic pregnancy B) hydatiform mole C) twin demise D) ectopic pregnancy

Which of the following statements about climate change, greenhouse gases, and biological populations/ecosystems is FALSE?

Greenhouse gases are only produced by human sources.

Terrestrial ecosystems are grouped into biomes primarily on the basis of their ____ which, in turn, is primarily determined by the local ________ &  ________.

The ozone layer is a shell of O3 in the stratosphere that surrounds the entire planet and shields the surface from ___________.