Alejandra, a Resident of Lower Manhattan, Suffers from PTSD After

question 39

Multiple Choice

Alejandra, a resident of lower Manhattan, suffers from PTSD after witnessing the attack on the twin towers of the World Trade Center on September 11, 2001. A certain acrid burning smell can trigger intense feelings of jitteriness and distress for her. This is an example of ____. ​

• A)positive reinforcement
• B)operant conditioning
• C)classical conditioning
• D)observational learning

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Definitions:

Phytochrome

A blue-green, proteinaceous pigment involved in a wide variety of physiological responses to light; occurs in two interconvertible forms, Pr (red-absorbing phytochrome) and Pfr (far-red-absorbing phytochrome).

Bolting

The production of a tall flower stalk by a plant that grows vegetatively as a rosette (growth habit with a short stem and a circular cluster of leaves).

Gibberellins

A group of plant hormones that regulate growth and influence various developmental processes, including stem elongation, germination, and flowering.

Floral Stalk

The stem or support of a flower, facilitating its connection to the rest of the plant.