What percentage of total body oxygen consumption is used by the brain?

How long does it take for irreversible cerebral changes to occur when cerebral blood flow is blocked?

What is the primary energy fuel for the brain?

What percentage of total blood glucose is utilized by the brain?

How does glucose enter the brain?

What percentage of brain energy is provided by glycolysis?

Which of the following amino acids is NOT involved in neurotransmitter synthesis?

Which condition results from hypoglycemia?

Which neurotransmitter is classified as excitatory?

Which neurotransmitter is inhibitory?

How is GABA removed from the synaptic cleft?

What disease is associated with the degeneration of dopamine neurons?

Which neurotransmitter is derived from tyrosine?

What is the function of norepinephrine in the brain?

Which lipid is the main component of myelin?

Which fatty acids can cross the blood-brain barrier?

Multiple sclerosis involves:

What enzyme activity increases during active demyelination in multiple sclerosis?

Which metabolic pathway is impaired in multiple sclerosis?

What molecule decreases due to ammonia toxicity in the brain?

What neurotransmitter is synthesized from tryptophan?

What is the result of hyperammonemia on the brain?

Which neurotransmitter's malfunction is linked to schizophrenia?

How does acetylcholine get broken down in the synaptic cleft?

Which neurotransmitter is associated with anxiety reduction?

What is a major clinical symptom of early hypoglycemia?

What process is affected by glutamate in neurons?

Which neurotransmitter is the main excitatory neurotransmitter in the CNS?

In cases of multiple sclerosis, which part of the neuron is primarily affected?