Exam 12: Neural Tissue

In a(n)________ synapse,current flows directly between cells.

Figure 12-2 The Nerve Action Potential Use Figure 12-2 to answer the following questions: -What is occurring at the area labeled #4?

Adrenergic synapses release the neurotransmitter

Figure 12-1 The Neuron Use Figure 12-1 to answer the following questions: -On which structure do most neuron to neuron communications occur?

Damage to ependymal cells would most likely affect the

If the axon terminal of a motor neuron suddenly became permeable to calcium ion,

Which of the following is a type of glial cell found in the peripheral nervous system?

The all-or-none principle states that

When potassium channels open and the ions diffuse through the membrane,

What triggers the release of acetylcholine from a synaptic terminal?

Regions of the CNS with an abundance of myelinated axons constitute the ________ matter.

________ neurons form the afferent division of the PNS.

Functions of astrocytes include all of the following except

Sensory neurons of the PNS are

Figure 12-2 The Nerve Action Potential Use Figure 12-2 to answer the following questions: -What is occurring in the area between #2 and #3?

The period during which an excitable membrane cannot respond to further stimulation is the ________ period.

A shift of the resting transmembrane potential toward 0 mV is called

________ nerves are nerves that connect to the brain.

________ carry motor information to peripheral effectors.

The ________ nervous system provides involuntary regulation of smooth muscle,cardiac muscle,and glandular activity.