A Physical Examination,digital Rectal Exam,was Used to Screen for Prostate

question 5

Multiple Choice

A physical examination,digital rectal exam,was used to screen for prostate cancer in 290 men with biopsy-proven prostate cancer and in 516 age- and race-matched control men,all of whom showed no evidence of cancer at biopsy.The results of the physical examination were positive in 136 cases and in 165 control men.What is the specificity of the physical examination?

• A) 32%
• B) 47%
• C) 53%
• D) 68%
• E) Cannot calculate it based on given information

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Definitions:

Developmental Changes

Refers to the physical, cognitive, and emotional growth and changes that occur throughout a human's life.

Delayed Growth

A condition where a child's growth rate is significantly slower than that of their peers, potentially due to nutritional, hormonal, or environmental factors.

Age-Appropriate Motor Skills

The physical abilities that a person is expected to display at a specific age, such as crawling in infants or walking in toddlers.

Toddler

A young child, especially one who is learning or has recently learned to walk, typically aged between one and three years old.