According to the Focus on Neuroscience Box, "Boosting the Aging

question 128

Multiple Choice

According to the Focus on Neuroscience box, "Boosting the Aging Brain," aerobic exercise had which of the following effects on the hippocampus in older adults?

• A)Aerobic exercise resulted in a 1.4 percent decline in hippocampal volume over a 1-year period.
• B)Aerobic exercise resulted in an 80 percent increase in hippocampal volume over a 1-year period.
• C)Aerobic exercise resulted in a 2 percent increase in hippocampal volume over a 1-year period.
• D)Aerobic exercise improved memory but did not measurably affect the hippocampus.

Analyze the relationship between energy efficiency and economic performance.

Recognize the main sources of electricity generation in the U.S. and their proportions.

Calculate the economic value of energy inputs in producing goods and services.

Examine the impact of oil prices on the extraction and utilization of various energy resources.

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Definitions:

Organism

A living entity capable of growing, reproducing, and maintaining various biological processes.

Protonephridia

The flame-cell excretory organs of flatworms and some other simple invertebrates.

Flatworms

A phylum of simple, often parasitic worms characterized by a flat body, including planarians, tapeworms, and flukes.

Cylindrical Worms

Cylindrical worms generally refer to nematodes or roundworms, which have elongated, cylindrical bodies and inhabit a variety of environments.