Which of the Following Forms of Tracheoesophageal Fistula and Esophageal

question 1

Multiple Choice

Which of the following forms of tracheoesophageal fistula and esophageal atresia is most common?

• A) Blind-ending upper esophageal pouch of variable length associated with a fistula from the lower trachea or main stem bronchi leading into the distal esophagus
• B) An isolated esophageal atresia with a proximal blind-ending pouch and a "long gap" of missing esophagus above a small distal esophageal pouch
• C) An esophageal atresia with a proximal and distal tracheoesophageal fistula
• D) An isolated tracheoesophageal fistula presenting without atresia and usually occurring in the lower cervical or upper thoracic area

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Definitions:

Classical Conditioning

An educational method where a connection is made between a stimulus in the environment and one that occurs naturally, resulting in a conditioned response.

Stimuli

Physical or chemical changes in the external or internal environment that evoke a response from a living organism.

Acclimation

The process of an organism adjusting to change in its environment, allowing it to survive and reproduce.

Habituation

A process by which an animal decreases or stops its response to a repetitive stimulus that does not bring any inherent reward or harm.