Caffeine has all of the following effects except
A. increases the production of adrenaline.
B. decreases heart rate.
C. increases perceived alertness levels.
D. activates the sympathetic nervous system.
Answer: B
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Which statement concerning correlational research is false?
a. Correlational research aids researchers in the development of new hypotheses. b. Correlational research permits researchers to determine whether one variable can predict another. c. Correlational research is often useful for studying phenomena for which experimentation is impractical or unethical d. Correlational research allows researchers to measure relationships between independent and dependent variables.
Long-term, who is most likely to succeed in their attempts to lose weight??
a. ?Diane, who decides to lose weight by cutting out potato chips and ice cream from her diet b. ?Enrique, who decides to lose weight by going on a high-protein, no-carbohydrate diet c. ?Padma, who decides to lose weight by cutting meat completely out of her diet d. ?Tommy, who decides to lose weight by restricting his caloric intake to 1,000 calories per day
Maria is a typical, healthy one-year-old who weighs 24 pounds. Which is the best estimate of her birth weight?
a. 4 pounds b. 8 pounds c. 12 pounds d. 16 pounds
Five-month-old Hakeem currently weighs 20 pounds. How many calories should he be ingesting each day?
a. 200 b. 400 c. 800 d. 1,000