Heart Chamber Specification Is Dependent on the Loss,gain,or Limited Expression

question 5

Multiple Choice

Heart chamber specification is dependent on the loss,gain,or limited expression of several transcription factors.What pattern of expression supports specification and formation of the right ventricle?

• A) Loss of expression of Tbx5 within the primary heart field
• B) Loss of expression of Irx4 within the cranial portion of the primary heart field
• C) Restricted expression of RALDH-2 to the cranial portion of primary heart field
• D) Continued expression of Isl1 and Tbx1 within the secondary heart field

---

Definitions:

Attitudes

Comprise the feelings, beliefs, and predispositions to act in certain ways toward something or someone, affecting an individual's choices and actions in the workplace.

Behaviors

Actions or reactions of an individual or group in response to external or internal stimuli.

Personality

The fusion of attributes and traits that define an individual's distinct persona.

Organizational Commitment

The psychological attachment felt by an individual towards an organization, reflecting the individual's willingness to remain part of the organization.