A Seizure Occurs When the Cerebral Cortex Is Hyperexcitable, Caused

question 8

Multiple Choice

A seizure occurs when the cerebral cortex is hyperexcitable, caused by:

• A) A decrease in excitatory neurotransmission, an increase in inhibitory neurotransmission, or a disturbance in brain circuitry
• B) An increase in excitatory neurotransmission, a decrease in inhibitory neurotransmission, or a disturbance in brain circuitry
• C) An increase in excitatory neurotransmission, an increase in inhibitory neurotransmission, or a disturbance in brain circuitry
• D) A decrease in excitatory neurotransmission, a decrease in inhibitory neurotransmission, or a disturbance in brain circuitry

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Definitions:

Wild-Type

Refers to the phenotype, genotype, or allele that is considered standard or most common in natural populations.

Neurospora

A group of ascomycete fungi frequently utilized as a standard organism for genetic and molecular biology research.

Minimal Medium

A growth medium containing only the minimal necessities required for the growth of wild-type organisms, typically used in microbial research.

Uracil

A nitrogenous base found in RNA, replacing thymine found in DNA.