| A | B |
|---|
| Proper table height | Even with first knuckle or thigh |
| Less is more | Rule of thumb when using lubricant |
| More is best | Table padding; will be heavier |
| Rolled up towels or pillow | Bolster alternatives |
| Delta waves | Slowest brain waves; deep sleep |
| Theta waves | occurs while sleeping and meditating |
| Alpha waves | occurs during calm, heightened awareness |
| Beta waves | highest frequency, occur while awake and thinking |
| Allergy | Sensitivity to an otherwise harmless substance |
| Pathogen | germ |
| Handwashing | Most important prevention of disease |
| Universal precautions | Regard all body fluids as potentially infectious |
