Practice Test

Question 1

Which person’s function in a school is similar to the central nervous system’s role in a human body?

Revolt · Accepted Answer

C: a principal

Question 2

Dopamine is a neurotransmitter that when released in the brain tends to make a person feel happy. Certain drugs stop the synapses from removing neurotransmitters. When these drugs cause an increase in the amount of neurotransmitters in the synapses, which response would be increased?

Revolt · Accepted Answer

D: happiness

Question 3

Which is needed for one neuron to communicate with another neuron across a synapse?

Revolt · Accepted Answer

A: neurotransmitters

Question 4

What is the main function of the central nervous system?

Revolt · Accepted Answer

B: process information from stimuli and respond

Question 5

The brain and spinal cord work together so the body can receive signals and react to the environment. What is the spinal cord?

Revolt · Accepted Answer

D: an organ

Question 6

Which level of organization falls directly after the tissue level when listed in order from least to most complex?

Revolt · Accepted Answer

C: organ

Practice Test Answers

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