Which Is an Action of the Depressor Anguli Oris

question 39

Multiple Choice

Which is an action of the depressor anguli oris?

• A)elevates the angle of the mouth
• B)depresses the angle of the mouth
• C)draws down the medial eyebrow
• D)depresses the upper eyelid

---

Definitions:

Phobias

An intense, irrational fear of specific objects, activities, or situations that leads to avoidance behavior.

B.F. Skinner

B.F. Skinner was an American psychologist and behaviorist known for his work in developing the theory of operant conditioning, which explains learning as a process of behavior modification through positive and negative reinforcements.

Freud

A reference to Sigmund Freud, an Austrian neurologist and the founder of psychoanalysis, a method for treating psychopathology through dialogue between a patient and a psychoanalyst.

Stimulus-stimulus Learning

A process in classical conditioning where a neutral stimulus becomes capable of eliciting a response after being paired with another stimulus that naturally evokes a response.