When Pavlov Was Conditioning His Dog to Salivate in Response

question 220

Multiple Choice

When Pavlov was conditioning his dog to salivate in response to a tone, he first paired the tone with the presentation of food until the tone alone could induce salivation. In his experiments, which of the following was considered to be the unconditioned stimulus?

• A)Salivation in response to the food
• B)The food
• C)Salivation in response to the tone
• D)The tone
• E)The food and the tone

---

Definitions:

Dendrite Growth

The process by which dendrites (the extensions of neurons that receive signals from other neurons) increase in number and complexity, facilitating neural connectivity.

Brain Weight

The mass of the brain, which can reflect aspects of health, development, and certain pathological conditions.

Breast Milk

The milk produced by the human mammary glands, providing optimal nutrition and immune protection to infants.

Antibodies

Proteins produced by the immune system to neutralize or destroy foreign substances like bacteria and viruses.