Most of our drugs originally came either directly or indirectly from
A. South America.
B. plants.
C. petroleum.
D. German chemists.
B
You might also like to view...
In which of the following cases is approval, love, or acceptance granted only when a person expresses desirable behaviors and attitudes?
a. Conditional positive regard b. Unconditional positive regard c. Positive self-regard d. Positive regard
What is the medical term for the developing human from the second through eighth weeks of pregnancy?
a. Blastocyst b. Embryo c. Fetus d. Zygote
Dr. Buckbee is treating a four-year-old girl with reactive attachment disorder. Which of the following behaviors would be consistent with this girl's diagnosis?
A. She engages in odd repetitive behavior. B. She has a difficult time accepting comfort and affection from her parents. C. The girl has imaginary friends and often speaks to them. D. She is very clingy to her parents.
Short-term habituation of Aplysia's gill-withdrawal reflex, lasting from minutes to several hours, probably results from a. changes in the synapses between sensory and motor neurons
b. decreased sensitivity of the sensory neurons. c. fatigue in the muscles serving the gill. d. stronger excitatory postsynaptic potentials in the interneurons