Please Choose the One BEST Response for Each

question 40

Multiple Choice

Please choose the one BEST response for each.
-neuroglia

• A)cells that nurture and support neurons
• B)sensory neuron
• C)interneuron
• D)acetylcholine or GABA
• E)motor neuron
• F)a type of active transporter
• G)fills the butterfly-shaped interior of a spinal cord
• H)membrane potential
• I)resting membrane potential
• J)cytoplasmic extension of neurons that convert chemical signals to electrical signals
• K)action potential
• L)positive feedback
• M)threshold potential
• N)provides information about a person's level of wakefulness through voltage fluctuations in the cerebral cortex
• O)cluster of cell bodies that serves as simple central nervous system in planarians

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Definitions:

A Band

Length of the myosin myofilament in a sarcomere.

H Zone

Area in the center of the A band in which there are no actin myofilaments; contains only myosin.

I Band

A region within the sarcomere of skeletal and cardiac muscles identified by its light appearance under a microscope, consisting mainly of actin filaments.

Neuromuscular Junction

The synapse or junction where a motor neuron transmits a signal to a muscle fiber, causing it to contract.