According to Freud, which part of the personality is made up of innate biological instincts and urges and is self-serving, impulsive, and irrational?

When a neural impulse reaches the end of an axon, it causes tiny oval sacs at the end of the axon to release chemicals called ________

a. hormones b. neurotransmitters c. antioxidants d. electrolytes

Which of the following is true of bilingualism (speaking two languages)?

A) It is impossible to be truly bilingual; one can only fully know one language. B) People who speak two languages create two polar opposite personalities, one for each language. C) People who speak two languages usually relate certain things to each language and act accordingly depending on the language they are speaking or the situation they are in. D) People who are bilingual do not connect to languages as people who are monolingual (one language) do. E) People who are monolingual are found to be high on introversion scales, and people who are bilingual are found to be high on extraversion scales.