If a child is born with missing or stunted limbs, which of the following is the mother MOST likely to have ingested during the second month of pregnancy?
a. Alcohol
b. Valium
c. Thalidomide
d. Tetracycline
c
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Professor Ming studies the effects of trauma on mental health across the lifespan. She plans to conduct a study that includes participants from the following age ranges: 6-12, 13-19, 20-40, and 50-70. All of her participants will be from an area that experienced a natural disaster, such as a deadly hurricane or earthquake. Professor Ming will then look at symptoms of depression and anxiety in each of the age groups to draw conclusions about age-related differences in the processing of traumatic events. Which research design is best suited for this study?
A. Experimental B. Cross-sectional C. Longitudinal D. Sequential
In REM sleep, the EEG resembles that of a person who is awake and mentally active. However, the ____
a. ?person's blood pressure is low and the heartbeat is calm b. ?person's chances of dreaming are very slight c. ?person is very difficult to arouse d. ?person's muscle tone decreases to the point of virtual paralysis
James is comparing recordings of a rod's reaction to a very bright light and a dim light. He soon observes that the bright light produces _________ in the rod than the dim light
a. greater hyperpolarization b. less hyperpolarization c. greater depolarization d. less hyperpolarization
The ability to plan, think, reason, and create is located in the part of the brain called the
A. thalamus. B. midbrain. C. cerebral cortex. D. brain stem.