(see Figure 9.18a)
When levels of _____ are low, cells in the arcuate nucleus release _______ and AgRP to communicate with the _______ (#2) and the PVN (#1).
Fill in the blank(s) with the appropriate word(s).
leptin, NPY, lateral hypothalamus
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Which of the following statements accurately describes a process in the activation of the HPA axis? a. The hippocampus secretes corticotropin releasing factor (CRF)
b. CRF stimulates the thyroid gland. c. The pituitary gland (via the parasympathetic nervous system) activates the adrenal glands. d. The adrenal glands secrete the stress hormone cortisol.
High self-esteem is the tendency to regard oneself as grandiosely self-important
Indicate whether the statement is true or false
A burst of intense stimulation to a dendrite by one or more axons connected to it in a rapid series can be described as the ____.
A. long-term potentiation of the cell's response to stimuli B. long-term inhibition of the cell's response to stimuli C. potentiation of the cell's response to stimuli for a few seconds D. inhibition of the cell's response to stimuli for a few seconds
The convoy model of friendships describes _______________ of closeness and support through which friends move in and out during our lifetime
a) three concentric circles or layers b) eight concentric circles or layers c) a seven-layer pyramid d) a Venn diagram of three circles