Exam 27: Nervous,Sensory,and Locomotor Systems

Some adults with attention deficit hyperactivity disorder (ADHD)have abnormally low activity of the neurotransmitter involved in pleasure,attention,memory,sleep,movement,and learning,which increases their risk of drug abuse.Which drug are they most likely to abuse?

Examine the neurotransmitters in the synapse in the accompanying figure.What might happen to these neurotransmitters after step 4 is complete? The neurotransmitters ________.

A person who cannot focus well on distant objects has ________.

When you hear,the ________ vibrates. I)eardrum II)hammer III)stirrup

Which of the following neurons are part of the peripheral nervous system?

Where would we expect to find electrical synapses?

Which,if any,of the following types of personal characteristics are based in the cerebral cortex?

Which one of the following statements is TRUE?

Given the symptoms of ALS,what part of the nervous system is functioning abnormally?

According to the sliding-filament model of muscle contraction,a sarcomere contracts when its ________.

Which of the following neurotransmitters is associated with sleep,mood,attention,and learning?

In a chemical synapse,what is the name of the gap between the sending and receiving cells?

Realizing that you did not study as much as you needed to for this exam,you start to take the test.However,it is difficult to concentrate because your heart is racing,your stomach seems tied in a knot,you are breathing too quickly,and your mouth is dry.Most likely,you are experiencing the effects of the ________.

A thick filament is made up of ________.

In the nervous system,integration ________.

In all types of chemoreceptors,receptor cells develop receptor potentials in response to ________.

Which of the following is(are)part of the central nervous system?

A neuron can relay a more intense signal by ________.

Would you expect motor units to vary in size? If so,which of these structures would probably have the largest ones?

Alzheimer's disease is characterized by ________.