Norepinephrine Is Considered a Positive Chronotropic Agent Because It Causes

question 53

Multiple Choice

Norepinephrine is considered a positive chronotropic agent because it causes

• A) less calcium to enter heart cells, which leads to lower risk of heart attack.
• B) more forceful contractions during each heart rate.
• C) an increase in the firing rate of SA node cells.
• D) thyroid hormone to have a steadying effect on heart activity.
• E) heart cell membrane potentials to become more positive during action potentials.

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Definitions:

Rubens

Peter Paul Rubens, a prolific 17th-century Flemish artist known for his Baroque paintings which emphasize movement, color, and sensuality.

Pan-European Style

Refers to a unified or harmonious style that transcends national borders within Europe, incorporating elements common to many European cultures.

Italian Renaissance

A period of European history, marking a cultural rebirth from the 14th to the 17th century, characterized by developments in art, architecture, politics, science, and literature.

Baroque Masters

Artists from the Baroque period (circa 1600-1750) known for their dramatic use of color, light, and shadow, as well as the dynamic movement in their compositions.