After one frog's heart has been stimulated, an extract of fluid from that heart can make a second frog's heart beat faster. What conclusion did Otto Loewi draw from these results?
a. Transmission at synapses is a chemical event
b. The sympathetic and parasympathetic nervous systems are antagonistic.
c. Transmission at heart muscle synapses is electrical.
d. Hormones facilitate the actions of the nervous system.
a
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The syntax and grammar of a language refer to the:
a) synonyms and antonyms contained in a language. b) set of rules that govern how words should sound in the given language. c) system of rules governing word forms and how words should be strung together to form meaningful utterances. d) system of rules governing how language is used and understood in given social contexts.
Psychological disorders can be described as following a typical course or individual pattern. For example, schizophrenia follows a chronic course. On the other hand, mood disorders, including depression, follow a(n) ________ course
a. episodic b. acute c. cyclic d. insidious
Rod needs to decide what to wear on his date tonight. Although he doesn't care if he makes the perfect choice, he doesn't want to be subject to the "fashion police" either
He is running late, so he has to make the selection quickly, and there are a lot of clothes in his closet. Which problem-solving strategy might be useful in this situation? a) heuristics b) algorithms c) mnemonic devices d) cognitive shortcuts
Inspired by Charles Darwin's work, G. Stanley Hall and his student, Arnold Gesell,
A) laid the modern foundations of ethology. B) developed the concept of sensitive periods in development. C) devised theories based on evolutionary ideas. D) constructed the first intelligence test.