A Researcher Is Studying a Newly Discovered Toxin

question 37

Multiple Choice

A researcher is studying a newly discovered toxin. The effect of this toxin is to block the action of the sodium-potassium pump. What prediction can be made about the effect of this toxin on cell volume?

• A) The cell volume will increase as water flows into the cell by osmosis.
• B) The cell volume will decrease as no potassium will be pumped into the cell.
• C) The cell volume will decrease as no sodium is pumped out of the cell.
• D) The cell volume will remain the same since the transport of water is not directly affected by this toxin.

---

Definitions:

Full Scale IQ

A comprehensive measure of an individual's overall cognitive ability, as derived from various standardized intelligence tests.

Composite Scores

Aggregated scores obtained from combining several different test scores to provide a comprehensive assessment result.

Halsted-Reitan Battery

A neuropsychological test battery used to evaluate brain and nervous system functioning by assessing motor skills, sensory skills, reflexes, and cognitive abilities.

Neuropsychological Assessment

A specialized examination of cognitive functioning using various tests and tasks, aimed at identifying impairments that may result from brain injury or neurological conditions.