Xeroderma Pigmentosum (XP)is a Rare Autosomal Recessive Disorder

question 26

Multiple Choice

Xeroderma Pigmentosum (XP) is a rare autosomal recessive disorder.Patients with XP exhibit a cellular hypersensitivity to ultraviolet (UV) radiation,a high incidence of skin cancer and premature aging.Based on these clinical characteristics,what is the underlying cause for this disease?

• A)defects in DNA repair
• B)defects in DNA replication
• C)lack of telomerase activity
• D)shortened telomeres

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Definitions:

Decision Making and Control

Processes involved in selecting among various options and implementing the selected course of action, ensuring objectives are achieved efficiently.

Binding Price Ceiling

A legally established maximum price for goods or services that is below the market equilibrium price, leading to shortages.

Binding Price Floor

A government or regulatory-imposed price control that sets a minimum price for a good or service, potentially leading to excess supply if set above the equilibrium price.

Market Demand

The total quantity of a good or service that all consumers in a market are willing and able to purchase at various prices during a specified period.