Chapter 11 A+P I

What specific part of the neuron communicates with a target cell and serves as the secretory region of the cell?

What cell type forms the myelin sheath in the central nervous system (CNS)?

What is the ciliated neuroglial cell that functions to circulate cerebrospinal fluid?

The majority of neurons are functionally classified as _________ neurons.

Which of the following are organs of the central nervous system?

What forms the white matter of the spinal cord?

Releases neurotransmitters to communicate with other neurons

Integrates incoming signals and generates outgoing signal to axon

Conducts electrical impulses away from the neuron's cell body

Receives electrical signals from other neurons

Maintains the cell's life functions and contains the nucleus

The most common type of neuron in the human body is __________.

The conducting region of the neuron is the __________.

Which division of the peripheral nervous system (PNS) carries signals from bones, joints, skin, and organs of vision to the central nervous system (CNS)?

Bundles of axons known as tracts are part of the __________.

Most sensory neurons such as the ones found in the special sense organs are structurally classified as ____________ neurons.

Neurons that carry signals from the central nervous system

Controls voluntary movements

Related to the internal organs of the body

Neurons that transmit signals to the central nervous system

Neurons that process information within the central nervous system

Which of the following effectors is controlled by the somatic motor division?

The autonomic nervous system does not carry signals to __________.

A series of measurements with a voltmeter show a neuron's membrane potential becoming more negative, from –70 mV to –85 mV. This neuron is experiencing a __________.

Which type of fiber has the slowest conduction speed?

Which type of fiber has the largest diameter?

The influx of positive charges makes the membrane potential more positive and is known as __________.

Which of the following events is most likely to trigger an action potential?

Which of the following events occurs when EPSPs arrive rapidly at a single synapse?

What kind of conduction occurs when each section of the axolemma has to be depolarized to threshold in sequence along the entire axolemma for a current to spread down the length of the axon?

What is the resting membrane potential of a typical neuron?

Which of the following terms refers to the neuron that delivers a message to a target cell?

What ion triggers synaptic vesicles to release neurotransmitters into the synaptic cleft?

Influx of which of the following ions can cause an inhibitory postsynaptic potential (IPSP) to be produced?

During saltatory conduction, action potentials are generated __________.

What is the period during an action potential when a nerve fiber cannot be stimulated to produce an additional action potential no matter how strong the stimulus?

What term refers to a temporary change in the cell’s membrane potential that makes it less negative (or more positive)?

What is thought to be one of the major neurotransmitters involved in mood regulation, motor behaviors, feeding behaviors, and daily rhythms and is a common target in the treatment of depression?

Which neurotransmitter is the most important inhibitory neurotransmitter in the brain?

What type of neurotransmitter receptors elicit much slower changes in the membrane potential of the postsynaptic neuron, but the effects are typically longer lasting and more varied?

Which neuropeptide neurotransmitter is released from fibers transmitting sensory information about pain and temperature?

Cholinergic synapses use the neurotransmitter __________.

Which of the following pairs of neurotransmitters are strictly inhibitory?

Which neurotransmitter is widely used by the autonomic nervous system (ANS), where it influences functions such as heart rate, blood pressure, and digestion?

What change in membrane potential is caused when glycine and GABA stimulate the opening of chloride ion channels?

How many neurotransmitters operating in the human nervous system have been identified?

What is considered to be the most important excitatory neurotransmitter in the brain?

What are the main types of neurotransmitter receptors?

The same __________ can have different effects depending on the properties of the __________.