The first energy level in an atom can hold how many atoms?   The first shell of an atom can hold 2 electrons. This does not mean that all atoms do have 2 electrons in their first shell. The exception is hydrogen (atomic number = 1 â¦) which has only 1 electron in its first shell before reacting with other atoms.
Chronic idiopathic axonal polyneuropathy is an insidiously progressive sensory or sensorimotor polyneuropathy (a neurological disorder that occurs when many peripheral nerves throughout the body malfunction simultaneously).hronic idiopathic axonal polyneuropathy is an insidiously progressive sensory or sensorimotor polyneuropathy (a neurological disorder that occurs when many peripheral nerves throughout the body malfunction simultaneously).
Antidiuretic hormone, also called arginine vasopressin (AVP), is a hormone produced by the hypothalamus in the brain and stored in the posterior pituitary gland at the base of the brain. ADH helps regulate water balance in the body.ith ADH suppression or stimulation tests, a health practitioner is looking for appropriate levels of ADH, osmolality, and kidney water retention responses. 1  A water loading ADH suppression test may be used to help diagnose SIADH.