When Sodium Channels Are Fully Open,the Membrane of the Ventricular

question 40

Multiple Choice

When sodium channels are fully open,the membrane of the ventricular cardiomyocyte _________.

• A) sharply hyperpolarizes
• B) sharply repolarizes
• C) sharply depolarizes
• D) plateaus
• E) has no reponse

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Definitions:

Autism Spectrum Disorder

A developmental disorder characterized by difficulties with social interaction and communication, and by restricted or repetitive patterns of thought and behavior.

Autism

A developmental disorder characterized by difficulties with social interaction, communication, and restricted or repetitive behaviors.

Neural Darwinism

Hypothesis that the processes of cell death and synaptic pruning are, like natural selection in species, the outcome of competition among neurons for connections and metabolic resources in a neural environment.

Synaptic Pruning

The process of eliminating weaker synaptic contacts while strengthening others to improve the efficiency of neuronal communication.