Teaching Sign Language Is Appropriate

question 19

Multiple Choice

Teaching sign language is appropriate

• A) only for babies with hearing impairments.
• B) only for babies whose first language is not English.
• C) only for babies of deaf parents.
• D) for any infants.

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Definitions:

Hyperpolarization

An increase in a cell's membrane potential, making it more negative and decreasing the likelihood of generating an action potential.

Semipermeable Membrane

A barrier that allows certain molecules or ions to pass through it by diffusion while blocking others, often used in osmosis.

Sodium-Potassium Pump

A type of active transport mechanism that moves sodium ions out of and potassium ions into cells, essential for maintaining cell potential and volume.

Resting Potential

The voltage difference across the neuron's plasma membrane when it is not transmitting a signal, providing the neuron with the potential energy needed for activation.