hard · MCAT bio-biochem
A graduate student experiencing chronic stress over a six-month period enters a phase characterized by the depletion of physiological resources and a significantly weakened immune system.
According to Selye's General Adaptation Syndrome, what stage is this student in, and what is the primary neuroendocrine driver of the subsequent hippocampal atrophy and memory deficits?
- Exhaustion stage; over-activation of the parasympathetic rebound
- Exhaustion stage; prolonged exposure to high cortisol levels
- Resistance stage; increased catecholamine release from the adrenal medulla
- Alarm stage; activation of the hypothalamic-pituitary-adrenal (HPA) axis
Sign up free to see the explanation and track your rank →
More MCAT bio-biochem practice
- What genetic term describes a single gene influencing multiple seemingly unrelated traits?
- In the human ear, sound waves cause fluid in the cochlea to… — Which cells are responsible
- An electrophysiologist observes a neuron at its resting memb… — Which ion is primarily res
- Which structure is most likely dysfunctional?
- Which organelle would you expect to be exceptionally well-developed in these cells?
- Which molecule acts as a 'fluidity buffer' in animal cell membranes?
- A scientist is tracking the movement of a secreted protein. If the protein has just left t
- A molecule moves into a cell against its concentration gradient using energy provided by a