Nerve Cells And Nerve Impulses

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Nerve Cells and Nerve Impulses
Synapses
Anatomy and Research Methods
Genetics, Evolution, Development, and Plasticity
Vision
Other Sensory Systems
Movement
Wakefulness and Sleep
Internal Regulation
Reproductive Behaviors
Emotional Behaviors
Learning, Memory, and Intelligence
Cognitive Functions
Psychological Disorders

All Questions

Question 1

Free

True/False

Dendrites contain the nuclei, ribosomes, mitochondria, and other structures found in most cells.

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True

False

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Question 2

Free

True/False

Neurons receive information and transmit it to other cells.

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True

False

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Question 3

Free

True/False

Santiago Ramón y Cajal used special staining techniques to reveal that the brain is composed of individual cells.

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True

False

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Question 4

Free

True/False

An efferent axon carries information away from a structure.

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True

False

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Question 5

Free

True/False

The greater the surface area of a dendrite, the more information it can receive from other neurons.

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True

False

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Question 6

True/False

Neurons are distinguished from other cells by their shape.

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True

False

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Question 7

True/False

The role of glial cells is to act like "glue" or scaffolding to support the neurons.

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True

False

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Question 8

True/False

Glial cells transmit information across long distances.

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True

False

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Question 9

True/False

There are two types of glial cells that produce myelin sheath. In the central nervous system, Schwann cells fulfill this role and, in the periphery, oligodendrocytes produce it.

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True

False

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Question 10

True/False

The blood-brain barrier is made up of closely packed glial cells.

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True

False

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Question 11

True/False

The difference in voltage in a resting neuron is called the resting potential.

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True

False

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Question 12

True/False

Increasing the electrical gradient for potassium will reduce the tendency for potassium ions to exit the neuron.

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True

False

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Question 13

True/False

At the resting potential, the potassium channels are completely closed and the sodium channels are almost closed.

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True

False

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Question 14

True/False

Dr. Skinner is working in the lab measuring the voltage of neurons, and during one condition, she tried to depolarize the neurons from -70 mV to -80 mV.

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True

False

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Question 15

True/False

Action potentials can be produced in the dendrites of some neurons.

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True

False

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Question 16

Multiple Choice

The two basic kinds of cells in the nervous system are _____ .

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neurons and glia

dendrites and axons

ribosomes and lysosomes

neurons and axons

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Question 17

Multiple Choice

Santiago Ramon y Cajal demonstrated that ____ .

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at rest, the neuron has a negative charge inside its membrane

neurons are separate from one another

neurons communicate at specialized junctions called synapses

action potentials follow the all-or-none law

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Question 18

Multiple Choice

Both and shared the Nobel Prize for Physiology or Medicine in 1906.

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Golgi and Cajal

Cajal and Sherrington

Sherrington and Golgi

Cajal and Kalat

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Question 19

Multiple Choice

Dr. Kimi studies the plasma membrane of neurons. He specifically researches the specialized _____ that allow in important things like water, oxygen, sodium, and so on.

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lipid channels

protein channels

lipid receptors

protein receptors

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Question 20

Multiple Choice

Neurons differ most strongly from other body cells in their ____ .

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temperature

shape

osmotic pressure

mitochondria

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Nerve Cells And Nerve Impulses

Dendrites contain the nuclei, ribosomes, mitochondria, and other structures found in most cells.

Neurons receive information and transmit it to other cells.

Santiago Ramón y Cajal used special staining techniques to reveal that the brain is composed of individual cells.

An efferent axon carries information away from a structure.

The greater the surface area of a dendrite, the more information it can receive from other neurons.

Neurons are distinguished from other cells by their shape.

The role of glial cells is to act like "glue" or scaffolding to support the neurons.

Glial cells transmit information across long distances.

There are two types of glial cells that produce myelin sheath. In the central nervous system, Schwann cells fulfill this role and, in the periphery, oligodendrocytes produce it.

The blood-brain barrier is made up of closely packed glial cells.

The difference in voltage in a resting neuron is called the resting potential.

Increasing the electrical gradient for potassium will reduce the tendency for potassium ions to exit the neuron.

At the resting potential, the potassium channels are completely closed and the sodium channels are almost closed.

Dr. Skinner is working in the lab measuring the voltage of neurons, and during one condition, she tried to depolarize the neurons from -70 mV to -80 mV.

Action potentials can be produced in the dendrites of some neurons.

The two basic kinds of cells in the nervous system are _____ .

Santiago Ramon y Cajal demonstrated that ____ .

Both ____ and ____ shared the Nobel Prize for Physiology or Medicine in 1906.

Dr. Kimi studies the plasma membrane of neurons. He specifically researches the specialized _____ that allow in important things like water, oxygen, sodium, and so on.

Neurons differ most strongly from other body cells in their ____ .

Both and shared the Nobel Prize for Physiology or Medicine in 1906.