The Synthesis of TSH Is

question 53

Multiple Choice

The synthesis of TSH is

• A) negatively regulated by TRH
• B) positively regulated by thyroxine levels
• C) regulated both by TRH and thyroxine levels in blood
• D) at the top of HPA axis and therefore is not regulated by other hormones

---

Definitions:

Teratogen

Any agent or substance that can cause malformation or gross structural abnormalities in a developing embryo or fetus.

Fetus

A developing mammal or human inside the womb from the end of the embryonic stage until birth.

Developmental Process

The sequence of biological, cognitive, and socioemotional changes that humans undergo from birth throughout their lives.

Distinct Stages

refers to the separate and clearly differentiated phases within a process or development.