| Term | Definition |
|---|---|
| Obsessive compulsive disorder (OCD) |
diagnosed anxiety disorder in which people have thoughts, feelings, ideas, sensations, or behaviors that make them feel driven to do something. |
| Oppositional defiant disorder |
pattern of disobedient, hostile, & defiant behaviors towards authority figures. |
| Oral medication |
medication taken by mouth. |
| Oral motor therapy |
directed at improving oral awareness, muscle strength, range of motion, and coordination. |
| Organ abscesses |
pocket of fluid in kidney or other organ may or may not be an infection. |
| Orthotics |
custom made mechanical device to correct a problem with body strength or structure. |
| Otoacoustic emissions |
tiny sound reflected back out of the ear in response to a loud noise. Used for hearing diagnosis. |
| Over-pronated foot/feet |
abnormal rotation of the ankle. |
| Overeating |
The Centers for Disease Control and Prevention (CDC) states that a BLL of 10 _g/dL or above is a cause for concern. However, lead can impair development even at BLLs below 10 _g/dL. |