What Is the Muscle Responsible for Flexing the Four Proximal

question 4

Multiple Choice

What is the muscle responsible for flexing the four proximal interphalangeal (PIP) joints?

• A) Flexor carpi radialis
• B) Flexor carpi ulnaris
• C) Palmaris longus
• D) Flexor digitorum superficialis

---

Definitions:

Priming

The activation, often unconsciously, of certain associations, thus predisposing one’s perception, memory, or response.

Blindsight

A condition in which a person can respond to visual stimuli without consciously perceiving them, typically occurring after damage to the primary visual cortex.

Subliminal Message

A signal or message designed to pass below the normal limits of perception, not consciously perceived but able to influence thoughts or behavior.

Absolute Threshold

The minimum intensity of a stimulus that is required to be consciously detected 50% of the time by a sensory system, essentially the lowest level of detectable sensation.