What Has Been One of the Greatest Difficulties in Establishing

question 33

Multiple Choice

What has been one of the greatest difficulties in establishing the new Department of Homeland Security?

• A) adjusting to the many different bureaucratic cultures now part of a single operation
• B) finding a competent and willing department secretary
• C) getting congressional approval for the new department
• D) defending against the three challenges to the constitutionality of the department
• E) getting the American people to take seriously the color-coded terrorism warning levels

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Definitions:

Agonist

A chemical or drug that binds to receptors in the brain and causes a reaction or response similar to a naturally occurring substance.

Absolute Refractory Period

a period immediately following the transmission of a nerve impulse when a neuron is not responsive to stimulation from another impulse.

Neurotransmitters

Chemical substances that transmit signals from one neuron to another across synapses.

Reuptake

The process by which neurotransmitters are taken back into the synaptic vesicles of the neuron after being released into the synaptic cleft.