Neurology Chapter 2 Quiz

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The communication link between the CNS and other parts of the body is called the ______.

Peripheral Nervous System

The ______ Division is responsible for conducting impulses from the regions of the body to the CNS.

Sensory

The ______ Division conducts impulses from the CNS to various regions of the body.

Motor

The Somatic Nervous System transmits action potentials to the ______ muscles.

skeletal Signup and view all the answers

The Autonomic Nervous System transmits action potentials to ______ muscles.

cardiac Signup and view all the answers

The ______ Nervous System is a unique part of the peripheral nervous system found within the digestive tract.

Enteric Signup and view all the answers

Nerve cells, also known as ______, receive stimuli and conduct action potentials.

neurons Signup and view all the answers

The ______ is the area where the axon leaves the neuron cell body.

Axon Hillock Signup and view all the answers

Myelin sheaths are formed by the cell processes of ______ cells.

glial Signup and view all the answers

The gaps in the myelin sheaths are called ______ of Ranvier.

nodes Signup and view all the answers

Resting membrane potential in most neurons is around ______ mV.

-70 Signup and view all the answers

Potassium leak channels allow ______ to move out of the cell.

K⁺ Signup and view all the answers

The Na⁺/K⁺ ATPase pump actively transports 3 ______ ions out and 2 K⁺ ions in.

Na⁺ Signup and view all the answers

During depolarization, ______ ions rush into the cell.

Na⁺ Signup and view all the answers

If the depolarization reaches the threshold potential, an ______ potential is initiated.

action Signup and view all the answers

The cell is at rest with the inside being more negative compared to the outside during ______ state.

resting Signup and view all the answers

The neuron cell body contains a single ______.

nucleus Signup and view all the answers

Dendrites receive information from other ______.

neurons Signup and view all the answers

The ______ is a single long process extending from the neuron cell body.

axon Signup and view all the answers

Astrocytes are major supporting cells in the ______.

CNS Signup and view all the answers

Ependymal cells line the fluid-filled cavities within the ______.

CNS Signup and view all the answers

Microglia act as ______ cells of the CNS.

immune Signup and view all the answers

Oligodendrocytes provide insulating material around ______.

axons Signup and view all the answers

Satellite cells provide support and nutrition to the neurons in the ______.

PNS Signup and view all the answers

The rapid change in voltage during the rising phase of the action potential peaks at around +30 mV, which is due to the opening of ______ channels.

Na⁺ Signup and view all the answers

During repolarization, the influx of ______ ions helps to restore the negative membrane potential.

K⁺ Signup and view all the answers

Hyperpolarization occurs when more ______ exits the cell than necessary, resulting in a more negative membrane potential.

K⁺ Signup and view all the answers

The process that gradually restores the resting membrane potential through the movement of Na⁺ and K⁺ is facilitated by the ______ pump.

Na⁺/K⁺ Signup and view all the answers

Continuous conduction occurs in ______ axons.

unmyelinated Signup and view all the answers

An action potential in myelinated axons travels through a process known as ______ conduction.

saltatory Signup and view all the answers

Working memory lasts for a few seconds to minutes and occurs mostly in the ______.

frontal cortex Signup and view all the answers

A synapse is a junction where the axon of one neuron interacts with the ______ neuron.

another Signup and view all the answers

Short-term memory can be retained for a few minutes to a few ______.

days Signup and view all the answers

The three major components of a synapse include the presynaptic terminal, postsynaptic terminal, and the ______.

synaptic cleft Signup and view all the answers

Declarative memory involves the retention of ______, dates, and places.

facts Signup and view all the answers

The most superficial and thickest of the meninges is the ______.

dura mater Signup and view all the answers

The second meningeal membrane that is very thin is called the ______ mater.

arachnoid Signup and view all the answers

Neurology Chapter 2 Quiz

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Questions and Answers

The communication link between the CNS and other parts of the body is called the ______.

The ______ Division is responsible for conducting impulses from the regions of the body to the CNS.

The ______ Division conducts impulses from the CNS to various regions of the body.

The Somatic Nervous System transmits action potentials to the ______ muscles.

The Autonomic Nervous System transmits action potentials to ______ muscles.

The ______ Nervous System is a unique part of the peripheral nervous system found within the digestive tract.

Nerve cells, also known as ______, receive stimuli and conduct action potentials.

The ______ is the area where the axon leaves the neuron cell body.

Myelin sheaths are formed by the cell processes of ______ cells.

The gaps in the myelin sheaths are called ______ of Ranvier.

Resting membrane potential in most neurons is around ______ mV.

Potassium leak channels allow ______ to move out of the cell.

The Na⁺/K⁺ ATPase pump actively transports 3 ______ ions out and 2 K⁺ ions in.

During depolarization, ______ ions rush into the cell.

If the depolarization reaches the threshold potential, an ______ potential is initiated.

The cell is at rest with the inside being more negative compared to the outside during ______ state.

The neuron cell body contains a single ______.

Dendrites receive information from other ______.

The ______ is a single long process extending from the neuron cell body.

Astrocytes are major supporting cells in the ______.

Ependymal cells line the fluid-filled cavities within the ______.

Microglia act as ______ cells of the CNS.

Oligodendrocytes provide insulating material around ______.

Satellite cells provide support and nutrition to the neurons in the ______.

The rapid change in voltage during the rising phase of the action potential peaks at around +30 mV, which is due to the opening of ______ channels.

During repolarization, the influx of ______ ions helps to restore the negative membrane potential.

Hyperpolarization occurs when more ______ exits the cell than necessary, resulting in a more negative membrane potential.

The process that gradually restores the resting membrane potential through the movement of Na⁺ and K⁺ is facilitated by the ______ pump.

Continuous conduction occurs in ______ axons.

An action potential in myelinated axons travels through a process known as ______ conduction.

Working memory lasts for a few seconds to minutes and occurs mostly in the ______.

A synapse is a junction where the axon of one neuron interacts with the ______ neuron.

Short-term memory can be retained for a few minutes to a few ______.

The three major components of a synapse include the presynaptic terminal, postsynaptic terminal, and the ______.

Declarative memory involves the retention of ______, dates, and places.

The most superficial and thickest of the meninges is the ______.

The second meningeal membrane that is very thin is called the ______ mater.

Cerebrospinal fluid (CSF) bathes the brain and spinal cord providing a ______ cushion around the CNS.

The ______ Nervous System is responsible for the 'fight or flight' response.

There are ______ pairs of cranial nerves.

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