Why are ADHD medications prescribed for children? ADHD medications are prescribed to improve attention and reduce hyperactivity and impulsivity in children. They may also be used to improve ability to focus, work and learn. In addition, they may be used to reduce aggression, provide a calming effect and improve coping with frustration.
There are two type of access method random access and sequential access. To go from point A to point Z in a sequential-access system, you must pass through all intervening points. In a random-access system, you can jump directly to point Z.Disks are random access media, whereas tapes are sequential access media.
[akÂ´ses] a means of approaching something. arteriovenous access the usual type of vascular access, connecting an artery and a vein, usually in the arm. hemodialysis access (vascular access) the means by which hemodialysis apparatus is connected to blood vessels; the most common type is arteriovenous access.