Ethanol CH₃CH₂OH) Is the Alcohol Found in Beverages

question 10

Multiple Choice

Ethanol CH₃CH₂OH) is the alcohol found in beverages. It is oxidized in the body to acetaldehyde by the enzyme alcohol dehydrogenase. Methanol CH₃OH) , also known as wood alcohol, is converted to formaldehyde by the same enzyme. Acetaldehyde is toxic, but formaldehyde is far more toxic to humans, which is why the ingestion of relatively small amounts of methanol can cause blindness or death. One treatment for mild methanol poisoning is the administration of ethanol. Why might a doctor choose this treatment?

• A) Ethanol must act as a competitive inhibitor for the alcohol dehydrogenase and therefore slows the formation of formaldehyde.
• B) Ethanol likely irreversibly binds to alcohol dehydrogenase which prevents the formation of formaldehyde.
• C) The ethanol is likely an uncompetitive inhibitor and binds to a site other than the active site of the enzyme.
• D) The doctor has given up on the patient and administers ethanol for sedation.

Understand mass conservation in radioactive decay.

Identify major sources of background radiation and their impact.

Recognize the symptoms and causes of radiation sickness.

Identify different groups of seedless vascular plants and their characteristics.

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Definitions:

Modeling

A psychological technique involving the demonstration of behaviors for another individual to observe and potentially imitate.

Operant Conditioning

A learning process wherein the strength of a behavior is modified by reinforcement or punishment.

Self-actualization

A process of realizing and fulfilling one's potential and abilities, considered the pinnacle of psychological development.

Classical Conditioning

A learning process that occurs through associations between an environmental stimulus and a naturally occurring stimulus, famously demonstrated by Pavlov's experiments with dogs.