Which of the following statements is true of the Babkin reflex?
A. It typically disappears by 3 months of age.
B. It typically appears during the seventh month of gestation.
C. Babies display this reflex by making well-coordinated swimming movements.
D. Babies display this reflex when the sole of their foot is stroked.
Answer: A
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Milo's doctors believe he might have schizophrenia, but before they make their final diagnosis, they want to study detailed, three-dimensional images of Milo's brain structures. The technique the doctors are most likely to use in this case would be
a. electrical stimulation of the brain (ESB). b. a magnetic resonance imaging (MRI) scan. c. a positron emission tomography (PET) scan. d. an electroencephalograph (EEG) recording.
Of the 46 chromosomes in a normal human cell, how many are contributed by the father?
a. All b. It depends upon the gender of the child. c. Twenty-three d. None
Creativity test items that give respondents a starting point and then require them to generate as many possibilities as they can in a short period of time are scored on the basis of
a. the quantity of alternatives generated. b. the originality of the alternatives. c. the usefulness of the alternatives. d. all of these things
A language can be best defined as a(n) _____
a. limited number of signals producing infinite number of messages b. unlimited number of signals producing infinite number of messages c. limited number of signals producing finite number of messages d. unlimited number of signals producing finite number of messages