Xeroderma Pigmentosum (XP)is a Rare Autosomal Recessive Disorder

question 1

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 most likely 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:

Paradoxical Sleep

Another term for REM (Rapid Eye Movement) sleep, a phase characterized by vivid dreaming and muscle atonia.

Sleep Disturbance

Any condition that disrupts normal sleep patterns, leading to insufficient or poor-quality sleep.

Eating Carbohydrates

The consumption of foods rich in carbohydrates, which are a primary source of energy for the body, including sugars, starches, and fibers.

Conflict

A struggle or disagreement between opposing parties, which can occur on an interpersonal, intra-personal, or group level.