Which of the Following Is NOT an Example of an Autocrine

question 132

Multiple Choice

Which of the following is NOT an example of an autocrine chemical messenger?

• A) Prostacyclins
• B) Thromboxanes
• C) Leukotrienes
• D) Endorphins

Understand the mechanisms of action for various classes of drugs, including how they mimic or block neurotransmitter activity.

Identify the societal and personal risks associated with substance abuse and addiction.

Understand the treatment options for drug dependence and the challenges associated with recovery.

Recognize the legal and illegal substances most commonly associated with abuse and dependence patterns.

---

Definitions:

Organic Reaction

A chemical reaction involving organic compounds, contributing to the formation or breaking of carbon-based chemical bonds.

Cycloaddition

A chemical reaction in which two or more unsaturated molecules (or parts of the same molecule) combine to form a cyclic product.

HOMO/LUMO Interaction

Refers to the interaction between the Highest Occupied Molecular Orbital (HOMO) of one molecule and the Lowest Unoccupied Molecular Orbital (LUMO) of another molecule, important in determining the outcome of chemical reactions.

Cycloocta-1,5-diene

A cycloalkene with eight carbon atoms and two double bonds located at the first and fifth positions.