For purposes of Social Security disability benefits, a person with a disability must have a severe disability (or combination of disabilities) that has lasted, or is expected to last, at least 12 months or result in death, and which prevents working at a substantial gainful activity level.
The for loop. 8. A counter variable is used to control or keep track of the number of times a loop. iterates. In a loop, the counter is usually incremented or decremented. If the. counter variable is not properly initialized, it will not hold the correct number. 9. An accumulator is used to keep a running total of numbers. In a loop, a value is. usually added to the current value of the accumulator.
-critical changes cause a variable that is normally controlled by negative feedback to be abnormally controlled by positive feedback. -ex: heart damaged, perhaps from heart attack. heart is less able to pump blood to body structures and itself, receives less nutrients and oxygen, heart becomes progressively weaker, even less able to pump blood, eventually becomes so weak that it stops beating.