Which Vein Drains Blood from the Left Side of the Thorax

question 178

Multiple Choice

Which vein drains blood from the left side of the thorax and esophagus into the left brachiocephalic vein?

• A)hemiazygos vein
• B)left azygos vein
• C)internal thoracic vein
• D)accessory hemiazygos vein

---

Definitions:

Grounded Theory

A research methodology that involves constructing theories through the systematic gathering and analysis of data.

Theoretical Sampling

A method in qualitative research where data collection is directed by concepts derived from evolving theory until no new insights are obtained.

Experimental Methods

A research methodology that involves manipulating one variable to determine if it causes a change in another variable, often used to establish cause-and-effect relationships.

Universal Principles

Fundamental norms, rules, or values that are widely accepted and applied across different cultures and contexts.