Norepinephrine Increases Calcium Permeability in Cardiac Muscle Cells and Thus

question 300

True/False

Norepinephrine increases calcium permeability in cardiac muscle cells and thus increases the heart's contractility.

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Definitions:

Allison Transmission

A brand known for manufacturing automatic transmissions for heavy-duty and commercial vehicles.

Planetary Gearset

A compact, round gear system that consists of a central sun gear, ring gear, and several planet gears that orbit the sun gear, used for transmission systems to provide multiple gear ratios.

Torque Converter

A type of fluid coupling used in automatic transmissions to transfer rotating power from the engine to the transmission.

Planetary Gearset

A mechanical system that consists of one or more outer gear wheels (planet gears) revolving around a central (sun) gear.