How Many Natural Constrictions Are in the Esophagus

question 90

Multiple Choice

How many natural constrictions are in the esophagus?

• A) 1
• B) 2
• C) 3
• D) 4

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Definitions:

Samuel de Champlain

A French navigator, cartographer, and explorer credited with founding New France and Quebec City in the early 17th century.

1608

A year marked by significant historical events, such as the founding of the city of Quebec by the French explorer Samuel de Champlain.

Black Legend

Idea that the Spanish New World empire was more oppressive toward the Indians than other European empires; was used as a justification for English imperial expansion.

Brutal Colonizer

Describes a person or nation that employs harsh and oppressive measures to control and exploit a colony or a territorial possession.