Which one of the following is a major risk factor for prostate cancer?
Correct Answer B:
The main risk factors for prostate cancer include a positive family history, black race, and age over 50. Urinary symptoms associated with benign prostatic hypertrophy are not associated with increased risk, nor is uncontrolled diabetes mellitus.
Which one of the following groups is at increased risk of prostate cancer?
Correct Answer C: Prostate cancer is the most common cancer in Canadian men. Blacks are 1.5 times as likely as whites to develop prostate cancer. A family history of prostate cancer in a first degree relative also increases the risk. No risk association has been demonstrated for other racial or ethnic groups.
Which one of the following statements is most accurate regarding prostate cancer?
Correct Answer A: The process of aging is associated with both benign and malignant alterations or changes of the prostate gland, but in most men these will remain undiscovered at the time of death. The incidence and mortality rate for prostate cancer have declined over the past few years. Screening for prostate cancer has not proven effective in prospective randomized trials. Prostate cancer is the most commonly diagnosed cancer in Canadian men but causes fewer deaths than lung cancer.
What is the most common nutritional deficiency worldwide?
Correct Answer A: Iron deficiency is the most common known form of nutritional deficiency. Its prevalence is highest in children and in women of childbearing age (especially pregnant women).
Elevated levels of which one of the following are associated with atherosclerosis?
Correct Answer D:
Multiple prospective and case-control studies have shown that a moderately elevated plasma homocysteine concentration is an independent risk factor for atherothrombotic vascular disease.
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