What Period Follows Depolarization of the Myocardium and Represents a Period

question 21

Multiple Choice

What period follows depolarization of the myocardium and represents a period during which no new cardiac potential can be propagated?

• A)Refractory
• B)Hyperpolarization
• C)Threshold
• D)Sinoatrial (SA)

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Definitions:

Ascomycetes

A division or phylum of fungi characterized by the formation of spores in a special type of cell called an ascus, including yeasts and molds.

Plasmogamy

The fusion of the cytoplasm of two cells from different fungal hyphae, a stage in the sexual reproduction of fungi.

Karyogamy

The fusion of two nuclei within a cell, a key process in sexual reproduction resulting in the formation of a zygote.

Meiosis

A process of cell division that results in the production of four haploid cells (gametes) from a single diploid cell, with each resulting cell containing half of the genetic material of the original cell.