Exam 28: Nervous Systems

The speed of impulse conduction along an axon may be increased by

Treatments for depression often include drugs that help correct imbalances in the levels of

The brain and sensory system of a bilaterally symmetric organism function most like

Botulinum toxin (Botox)produced by certain bacteria will

Which division of the human nervous system carries signals to skeletal muscles?

Our biological clock, which regulates the sleep-wake cycle, is housed within the

Which part of this diagram of the human brain depicts the cerebellum?

Multiple sclerosis results from an autoimmune disease that primarily involves

fMRI technology can provide significant insights into brain function by

One neurotransmitter associated with sleep, mood, attention, and learning is

The simplest animals to display cephalization and centralization of the nervous system are

One of the most important branch points in the evolution of animals and their nervous systems was the appearance of

Which of the following best describes the protective action of blinking?

The enteric division of the autonomic nervous system consists of neurons in the digestive tract, the gallbladder, and the

Excitatory neurotransmitters are most like what part of an automobile?

What part of the brain allows us to recognize the emotional content of facial expressions and also helps lay down emotional memories?

When you are very nervous, perhaps before you must speak in front of your college class, you notice that your mouth is dry and your heart is racing. This is most likely due to stimulation by the

Valium, a prescription drug used to treat depression, works by

Which part of this diagram of a neuron depicts the axon?

Action potentials relay different intensities of information due to the