At What Age Are Infants Who Can Hear First Able

question 16

Multiple Choice

At what age are infants who can hear first able to discriminate speech sounds?

• A)1 month
• B)3 months
• C)6 months
• D)9 months

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Definitions:

Ion Channel-linked Receptor

A type of membrane receptor that directly controls the opening of an ion channel upon activation, leading to changes in cell polarization.

Barbiturates

A class of drugs that act as central nervous system depressants, used for their sedative, hypnotic, and anxiolytic properties.

Benzodiazepine Drugs

A class of psychoactive substances that act as central nervous system depressants and are used as sedatives, anxiolytics, muscle relaxants, or anticonvulsants.

GABA Receptors

Proteins found in the brain and nervous system that respond to the neurotransmitter GABA (gamma-aminobutyric acid), playing a key role in reducing neuronal excitability throughout the nervous system.