Aco-worker has recently behaved in a restless and irritable manner and seems confused. a possible physical cause for such behavior is

The answer to this question is that the person is experiencing an excessive thyroid secretion. Excessive thyroid secretion is a condition also known as hyperthyroidism. Excessive thyroid secretion can cause rapid heartbeat, anxiety, weight loss, nervousness, and hand tremors. In order to overcome the excessive thyroid secretion a treatment is needed by taking anti-thyroid medications. 

the 5th amendment is about the justice system

explanation:

there is no double jeopardy

due process

grand jury

and that you can’t incriminate yourself

answer; fair labor and standard act;