The Question "Which Comes Next in This Series of Letters

question 50

Multiple Choice

The question "Which comes next in this series of letters: d f i m r x e?" is a test of

• A) auditory organization.
• B) visual organization.
• C) crystallized intelligence.
• D) fluid intelligence.

---

Definitions:

Immune System

The complex network of cells, tissues, and organs that work together to defend the body against foreign invaders, such as bacteria, viruses, and other pathogens.

Life-Threatening Ailments

Severe health conditions that have the potential to cause death if not properly managed or treated.

Perceptual Puzzles

Visual or other sensory puzzles that challenge the brain's perception and processing of information.

Older Adults

Individuals typically aged 65 and above, often considered to be in the late adulthood stage of life.