The __________ is the part of the brain that plays a central role in panic attacks

What impact does the use of lithium have on depressive episodes?

a.) Lithium had no effect on depressive episodes b.) Because lithium completely stops manic episodes, it also stops all depressive episodes c.) Lithium is an effective treatment for unipolar depression d.) Lithium helps people with bipolar depression overcome their depressive episodes, through to a lesser degree than it helps with their manic episodes.

Why would a person born without ossicles have difficulty hearing well?

a) No sound waves would reach the eardrum. b) Sound waves would not be amplified before reaching the cochlea. c) There would be no sensory receptors to transduce the sound waves. d) The eardrum would not be able to vibrate.