Which of the Following Events Marked the Beginning of the Most

question 13

Multiple Choice

Which of the following events marked the beginning of the most outstanding improvements in public health?

• A)Discovery of antibiotics
• B)Creation of safe water purification and sewer systems
• C)Implementation of surgery as a clean procedure in the operating rooms
• D)Physician education on the benefits of hand-washing between procedures

---

Definitions:

Visually Guided Reaching

The ability to reach for objects guided by sight, integrating visual perception and motor coordination, often studied in infants and children.

Maturational Changes

Changes that occur as part of the natural aging process, including physical, cognitive, and emotional development.

Reinforcement

In behavioral psychology, a consequence applied that strengthens an organism's future behavior whenever that behavior is preceded by a specific antecedent stimulus.

Unconditional Response

A natural, unlearned reaction to an unconditioned stimulus, a term primarily used in the context of classical conditioning in behavioral psychology.