George has gone into a deep depression after the death of his wife, for whom he had provided daily care for over 2 years after her first stroke. What role might cortisol play?
a. Over-response of the hippocampus may have led to reduced cortisol in the bloodstream, which is associated with depression.
b. Under-response of the hippocampus may have led to reduced cortisol in the bloodstream, which is associated with depression.
c. Consistently elevated levels of cortisol due to stress can overwhelm the hippocampuss feedback loop and lead to excess levels of cortisol in the bloodstream, which is associated with depression.
d. Erratic levels of cortisol due to stress can disrupt the hippocampuss feedback loop and lead to erratic levels of cortisol in the bloodstream, which is associated with manic depression.
Question 2
Normally, activity of the hypothalamic-pituitary-adrenal axis is regulated by a feedback loop that reduces the release of cortisol. What is the order of signaling by which this reduction takes place?
a. hypothalamus to pituitary gland to adrenal glands
b. hypothalamus to hippocampus to adrenal glands
c. hippocampus to pituitary gland to adrenal glands
d. hippocampus to hypothalamus to adrenal glands
The deep-sea vent hypothesis for the origin of life
Comet Tempel 1 67 seconds after colliding with the Deep Impact probe.
Part of this child's pattern of daily living is attending child care during the work day
Ten Leading Causes of Death in Low-Income Countries, 2008
Deep friction around the hip joint using the knuckles. Use the knuckle of the middle finger to apply ...
Daily Recommendations of Vitamin D3