Which may be a biological factor for ADHD?

Quality circles, total quality management, and just-in-time production are examples of ________ management techniques.

Fill in the blank(s) with the appropriate word(s).

Which of the following are tiny sacs in the axon terminal that hold chemicals that are released into the synapse?

a) synaptic vesicles b) synaptic nodes c) terminal buttons d) synaptic gaps