21.12: Chapter 12
( \newcommand{\kernel}{\mathrm{null}\,}\)
Multiple Choice
1. a
3. c
5. d
7. d
9. d
11. c
13. d
15. c
17. b
19. a
21. d
23. c
Fill in the Blank
1. severity
3. corticotropin releasing hormone (CRH)
5. critical period