When Micah gets back to the dormitory after jogging around the campus, he likes to take a quick shower before going to class. One morning while taking a shower he hears someone flushing a nearby toilet. Suddenly, extremely hot water comes rushing out of the showerhead and Micah experiences excruciating pain. After muttering a few obscenities, he continues showering. A few minutes later, Micah hears another toilet flush and he leaps out of the shower.

Required:
a. What is the unconditioned stimulus?
b. What is the unconditioned response?
c. What is the neutral stimulus that becomes the conditioned stimulus?
d. What is the conditioned response?

In psychology, the terms mentioned below are the core most parts of the classical conditioning theory which was proposed by Ivan Pavlov, a great psychologist.

Unconditioned stimulus: It is defined as a stimulus that triggers a response unconditionally or naturally.

Unconditioned response: It is defined as an "unlearned response" that ought to occur unconditionally in regards to an "unconditioned stimulus".

Conditioned stimulus: It is defined as a formerly "neutral stimulus" that gives rise to conditioned response after connecting with an unconditioned stimulus.

Conditioned response: It is defined as a response that is being elicited when a neutral stimulus becomes connected with an unconditioned stimulus.