Question 1
A deep stage of sleep sometimes referred to as paradoxical sleep is also known as __________.
◦ stage N1
◦ stage N2
◦ stage N3
◦ stage R
Question 2
A psychoactive drug is __________.
◦ a chemical substance that gives the user a feeling of euphoria.
◦ a chemical substance that alters brain function, resulting in changes in consciousness, perception, and/or mood.
◦ a substance that can alter the sense of time and space and bring the user to a different level of consciousness.
◦ a substance that mimics hormones in the body and can help alter body function.