Exam 33: Nervous Coordination: Nervous System and Sense Organs

The arthropod compound eye is composed of numerous independent visual units called _________.

Insects possess chemoreceptors that are located in sensory hairs called __________________.

What roles do acetylcholine and acetylcholinesterase play in the transmission of neural action potentials?

If you were placed in a space suit and drifted away from your spacecraft,which stimuli would be unable to reach you?

The most common neurotransmitter at synapses in the vertebrate nervous system is __________.

The active transport device whereby sodium is moved from inside the axon to the outside is referred to as the ______ ______.

The ultimate limitation to the number of nerve action potentials we can send to a muscle per second is

An animal with a simple net-like nervous system is the

Pacinian corpuscles adjusting to new shapes,no longer responding to constant pressure,is a condition called

The organ of hearing in the inner ear of tetrapod vertebrates is the ______ ___ ______.

The extension of a nerve cell that generally carries action potentials away from the cell body is the

The evolutionary trend toward larger size and capacity of the brain in vertebrates is called

Which statement is NOT true about the cells of the nervous system?

In a chemical synapse,when the wave of depolarization reaches the presynaptic membrane,it triggers the release of

What is the difference between a reflex arc and a reflex act? List the components and functions of each.

Which of the following wraps the spinal canal in three layers?

The brain of early fishes consisted of three principal regions called

Discuss what is meant by "action potential" - be sure to discuss the properties of self-propagation,depolarization,and repolarization.

The myelin sheath that insulates the axon is formed by special glial cells called ______ ______.

The autonomic nervous system consists of two subdivisions,the _________ and the parasympathetic.