The Risk of Having Part of the Brain Unprotected by the Blood-Brain

question 174

Multiple Choice

The risk of having part of the brain unprotected by the blood-brain barrier is that:

• A) it is invisible to brain imaging techniques.
• B) it takes longer for drugs to work.
• C) viruses or toxic chemicals are more likely to damage it.
• D) the blood is poorly oxygenated.

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Definitions:

Research and Development

The part of a business activity that is concerned with acquiring new knowledge and using it to develop new products, processes, or services or to improve existing ones.

Technological Application

The use or implementation of technology for practical purposes, especially in industry or commerce.

Research and Development Spending

Financial investments in the innovation, improvement, and development of new products, services, or technologies.

Government Proportion

This term is not standard and may refer to the ratio or percentage of government spending or representation in relation to something specific, such as GDP or population, but without more context, a precise definition cannot be provided.