Greta's psychiatrist advises her to buy bright lights, which are to be turned on in the early morning hours of winter days to reduce her problem with depression. We can guess that Greta's problem is ____.
a. dysthymia due to a medical condition
b. major depressive disorders with a seasonal pattern
c. postpartum onset
d. rapid-cycling bipolar disorder
Question 2
Emily has the purging type of bulimia nervosa. She is likely to engage regularly in which of the following?
a. fasting
b. vomiting
c. denies her thinness
d. expresses fear of obesity
Amborella trichopoda flower, similar to a hypothesized early flower
Early divisions in the animal phylogeny.
Hints of Earth’s Early Appearance
MRI image of brain cancer. The bright blue color indicates where the cancer has metastasized.
A single cell from an early-stage human embryo
Locations of early developmental events.