Nervous And Sensory Systems - Discover Biology | Biology+

Course

Introductory Biology

Study Pack

Set 1: The Nature of Science and the Characteristics of Life

Set 2: Biological Diversity, Bacteria, and Archaea

Set 3: Protista, Plantae, and Fungi

Set 4: Animalia

Set 5: The Chemistry of Life

Set 6: Cell Structure and Internal Compartments

Set 7: Cell Membranes, Transport, and Communication

Set 8: Energy, Metabolism, and Enzymes

Set 9: Photosynthesis and Cellular Respiration

Set 10: Cell Division

Set 11: Stem Cells, Cancer, and Human Health

Set 12: Patterns of Inheritance

Set 13: Chromosomes and Human Genetics

Set 14: Dna and Genes

Set 15: From Gene to Protein

Set 16: Dna Technology

Set 17: How Evolution Works

Set 18: Evolution of Populations

Set 19: Speciation and the Origins of Biological Diversity

Set 20: The Evolutionary History of Life

Set 21: The Biosphere

Set 22: Growth of Populations

Set 23: Ecological Communities

Set 24: Ecosystems

Set 25: Global Change

Set 26: Internal Organization and Homeostasis

Set 27: Nutrition and Digestion

Set 28: Circulation and Gas Exchange

Set 29: Animal Hormones

Set 30: Nervous and Sensory Systems

Set 31: Skeletons, Muscles, and Movement

Set 32: Defenses Against Disease

Set 33: Reproduction and Development

Set 34: Animal Behavior

Set 35: Plant Structure, Nutrition, and Transport

Set 36: Plant Growth and Reproduction

Set 30 Nervous And Sensory Systems

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Set 30 Nervous And Sensory Systems

(Multiple Choice)

Free

A strong stimulus produces

A)stronger action potentials.
B)more action potentials.
C)both more and stronger action potentials.
D)more nodes of Ranvier.

Answer

(Multiple Choice)

Free

The figure below illustrates how a neuron with a myelinated axon transmits signals.

The figure below illustrates how a neuron with a myelinated axon transmits signals. What is happening in Region A of this figure? A)An action potential is moving between two nodes of Ranvier. B)Neurotransmitters are rapidly diffusing between two nodes of Ranvier. C)An electric charge is moving rapidly between two nodes of Ranvier. D)Myelin is carrying sodium ions between two nodes of Ranvier.

What is happening in Region A of this figure?

A)An action potential is moving between two nodes of Ranvier.
B)Neurotransmitters are rapidly diffusing between two nodes of Ranvier.
C)An electric charge is moving rapidly between two nodes of Ranvier.
D)Myelin is carrying sodium ions between two nodes of Ranvier.

Answer

(Multiple Choice)

Free

Which of the following best describes the flow of signals in our nervous system?

A)from motor neurons to sensory neurons to interneurons
B)from sensory neurons to interneurons to motor neurons
C)from interneurons to sensory neurons to motor neurons
D)from sensory neurons to motor neurons to interneurons

Answer