The reason that there are three semicircular canals is so that __________
a) we have one canal to sense motion in each of the three planes.
b) we can see the world in three dimensions.
c) we can detect sound locations in the three-dimensional world.
d) we have an extra if one is broken.
a
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All of the following behaviors are instances of operants EXCEPT for which one?
a. A pigeon pecks a key to receive a food reinforcer. b. Ted raises his hand in class and waits to be called. c. Baby Terri coos in order to be picked up by Mom. d. Jim blinks in response to the flash of the camera.
Gary is a very sloppy person. His side of the dorm room is always a mess, with clothing thrown all over the floor. In contrast, his roommate, Rajesh, is an extremely neat person. For Rajesh, everything on his side of the room must be in its place, with books and video games organized alphabetically. Freud would say Gary is fixated in the __________ stage, and Rajesh is fixated in the __________ stage.
A. anal; anal B. oral; oral C. oral; anal D. phallic; oral
Your cousin is 9 weeks pregnant and is going to the doctor for a prenatal diagnostic test. She doesn't remember the name of the test, but remembers the procedure. What is she likely to describe?
a. The doctors will stick a long, hollow needle into her abdomen and take a sample of amniotic fluid. b. High-frequency sound waves will be directed toward the uterus. c. A tube is inserted into the vagina and cells are collected from what is forming the umbilical cord. d. She has to drink a very sugary drink and then have a blood test.
Which drug has been shown to increase the rate of cancer and heart disease in nonusers of the drug who are living with users of the drug?
A) alcohol B) marijuana C) tobacco D) heroin E) cocaine