Ion Channels  in Cell Membranes

question 77

Multiple Choice

Ion channels  in cell membranes

• A)are nonspecific.
• B)are not affected by differences in electrical potential across the membrane.
• C)may open in response to binding a ligand.
• D)only allow ions to move from the extracellular fluid into the cell.
• E)only allow ions to move from the intracellular fluid out of the cell.

Distinguish between NEC and NOS in coding and when to use them appropriately.

Grasp the concepts of essential and nonessential modifiers within code descriptions.

Understand the guidelines for coding preoperative and postoperative diagnoses, including differential diagnosis.

Acknowledge the necessity of coding to the highest level of specificity for accurate documentation.

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