Exam 9: Sensory and Neural Systems

Which of the following does not belong with the rest?

Of the four basic taste modalities, the one most limited to the tip of the tongue is

Hair cells are involved in all of the following receptors except

The _______________ is the minimum level of stimulation required to activate a particular neuron.

____________ are the basic units of communication in the nervous system.

Olfaction (smell) differs from other sensory modalities because it

_______________ stimulates muscle contractions and is involved in memory functions.

Within the neuron, information is communicated in the form of brief electrical messages called _______________.

________________ is the process by which neurotransmitter molecules detach from a postsynaptic neuron and are reabsorbed by the presynaptic neuron so they can be recycled and used again.

The synaptic vesicles contain chemicals called _______________.

________________ is involved in a number of functions, including movement, attention and learning and abnormal levels are involved in some mental disorders.

Our ability to perceive, feel, think, move, act and react depends on the delicate balance of ___________________ in the nervous system.

_________________ is involved in sleep, moods and emotional states, including depression.

________________ has been implicated in some mental disorders and is involved in activation of neurons throughout the brain and in the process of learning and memory retrieval.

Deep pressure on the skin is sensed by

Different groups of cone cells are specialized for absorption in all the following regions of the visible spectrum except

The three basic components of the neurons are ____________, ___________ and ____________.

The optic nerve and blood vessels exits the eye, and arteries enter it, at the

The _________________ is a white, fatty covering made up of glial cells that increases the rate at which neural messages are sent.

_________________ usually communicates inhibitory messages to other neurons and helps balance and offset excitatory messages.