Her mother Gioia Lombardini is an actress and presenter familiar to Venezuelan television, her father is a publicist while her sister is a novelist.
After finishing her high school studies at San Agustín Codazzi, she enrolled for a Bachelor of Arts course at Universidad Central de Venezuela.
Arismendi studied acting at the Taller de Teatro Luz Columba under the instruction of professor Nelson Orteaga who is responsible for the career development of various RCTV actors.
In 2008, she joined Venevisión to participate in the telenovela Torrente in the role of Maruja Briceño.
In 2011, she was part of the cast of the telenovela Natalia del Mar in the role of Candy.