[Solved] Corporate bonds for which no specific assets are pledged as collateral are referred to as _________ bonds. A) unsecured B) collateralized C) indentures D) naked E) risk-free Cortex: The outer layer of the cerebrum in the brain, involved in many complex brain functions such as memory, attention, perceptual awareness, and language. Appropriate Response: A reaction or behavior that is considered suitable or proper in a given context or situation. Amygdala: A part of the brain's limbic system implicated in emotion regulation, emotional memory, and responses to fear and stress. Conditioned Fear: A learned response to a previously neutral stimulus that has been consistently paired with an aversive stimulus.