Mental Imagery Involves

question 42

Multiple Choice

Mental imagery involves

• A) experiencing a sensory impression in the absence of sensory input.
• B) mental representations of the current sensory inputs.
• C) sensory representations of a stimulus.
• D) all of these

---

Definitions:

Secondary Active Transport

involves the movement of substances across a cell membrane utilizing energy indirectly from the electrochemical gradient established by primary active transport.

Concentration Gradient

A difference in the concentration of a substance across a distance, leading to substances moving from an area of high concentration to one of lower concentration.

Carrier Molecule

A protein that facilitates the transport of specific substances across a cell membrane by changing its shape.

Cyanide

A highly toxic chemical compound that can prevent cells from using oxygen, leading to rapid cell death and potentially fatal poisoning.