In Pavlov's Principle Experiment,what Was the Unconditioned Stimulus

question 4

Multiple Choice

In Pavlov's principle experiment,what was the unconditioned stimulus

• A) salivation
• B) a light 
• C) meat powder
• D) a tone

---

Definitions:

Insomnia

is a common sleep disorder characterized by difficulty falling or staying asleep, leading to impairments in daily functioning and quality of life.

Apnea

A temporary cessation of breathing, especially during sleep.

Sleeplessness

The inability to fall asleep or stay asleep, which can lead to significant distress or impairment in daily functioning.

Breathing Difficulties

Issues or discomfort in breathing, which can be symptomatic of various health conditions ranging from mild to severe.