Which of the following statements is true of the potency of a drug?
A. Potency strongly relates to how effective a drug is or to how large an effect the drug can produce.
B. Potency refers to the relative lethal dose of a drug, especially the cannabinoids and the opioids.
C. The ED50 (the effective dose for 50 percent of the animals) of a potent drug is higher than the ED50 of a less potent drug.
D. The smaller the amount needed to get a particular effect, the more potent the drug.
Answer: D
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Which of the following lessons would be an example of the hidden curriculum present within schools?
A. algebraic equations B. obedience to authority C. sociological theories D. chemistry formulas
Jenny underwent a surgical procedure during the twentieth week of her pregnancy in which the doctors inserted a needle into her amniotic sac through her abdomen and withdrew some fluid. The fluid was then studied for any abnormalities such as signs of Down syndrome and spina bifida. In this scenario, Jenny underwent a procedure known as __________________.
a. amniocentesis b. artificial insemination c. preimplantation genetic diagnosis d. chorionic villus sampling
Sweatshops are characterized by a. worker organizations
b. humane working conditions. c. better than average wage pay. d. excessively long hours of work.
Research shows that a. no relationship exists between school environment and academic achievement and quality once socioeconomic status is controlled
b. school environment impacts teachers but not students. c. school environment impacts students but not teachers. d. school environment impacts students, teachers and staff.