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:

Aerobic

Pertaining to or involving oxygen; aerobic exercise refers to activities that increase oxygen circulation to improve endurance and cardiovascular health.

Anaerobic

Relating to, involving, or requiring an absence of free oxygen, often referring to exercise that causes muscles to produce energy without relying on oxygen.

Isometric

Pertaining to exercises or muscle actions where the muscle length does not change and joints remain stationary.

Organic Fitness

A holistic approach to fitness that emphasizes natural movements and sustainable, healthful practices over synthetic methods and supplements.