Hermione has a mild leukocytosis while ill and asks whether chronic stress simply “turns off” the immune system. Which explanation is most accurate?

Harry’s blood pressure remains elevated after repeated periods of stress rather than returning toward baseline. Which concept best describes the concern?

Harry has a history of childhood emotional stress but also reports strong friendships and regular competitive exercise. Which interpretation best applies the lecture’s model of stress physiology?

Hermione’s glucose is elevated after weeks of high stress and inadequate sleep. Which explanation best applies the physiology from lecture?

Which sleep pattern is most consistent with normal neonatal/infant physiology compared with adult sleep?

Which statement best describes melatonin in sleep physiology?

Hagrid sleeps 8–9 hours nightly but wakes unrefreshed and has loud snoring. Which physiologic feature best explains why adequate time in bed may not provide adequate recovery?

Which change is expected as a healthy acute stress response resolves?

Which structure functions as the primary circadian clock and uses light information to help synchronize sleep-wake timing?

Hagrid has hypertension, diabetes, and untreated OSA. Which explanation best connects OSA to multisystem risk?