Which of the Following Is True for the Sodium-Potassium Exchange

question 57

Multiple Choice

Which of the following is true for the sodium-potassium exchange pump?

• A) It pumps an equal number of ions into and out of the cell.
• B) It passively distributes ions along their concentration gradient.
• C) It passively distributes ions along their electrical gradient.
• D) It pumps two potassium ions into the cell and three sodium ions out of the cell.
• E) It is unrelated to maintaining ion balance in the cell.

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Definitions:

Self-Blame

The act of attributing personal failures or negative events to one's own deficiencies or actions.

Coping Strategy

A method or technique used to manage or overcome demands and conflicts in life.

Repression

The unconscious exclusion of painful impulses, desires, or fears from the conscious mind.

Denial

A psychological defense mechanism where an individual refuses to accept reality or facts, often as a way to protect themselves from uncomfortable feelings.