A study conducted in several countries where a high intake of fish and a low intake of animal fat were correlated with a low rate of breast cancer death is an example of a(n):
a. epidemiological study.
b. case study
c. intervention study.
d. blind experiment.
e. laboratory study.
a
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The process in which immune cells engulf and then destroy foreign antigens is known as
a. antigenesis. b. phagocytosis. c. cytotoxicosis. d. inflammation. e. immunization.
Which of the following foods can be recommended to a person who wants to increase the intake of vitamin K?
A) Broccoli B) Sweet Corn C) White Mushrooms D) Beets
The types and amounts of physical activity needed to promote fitness may differ from those needed to obtain health benefits
a. True b. False Indicate whether the statement is true or false
Your patient has emphysema and is now infected with bronchial pneumonia. Due to hyperventilation, he is at risk for:
a. respiratory alkalosis. b. respiratory acidosis. c. metabolic acidosis. d. metabolic alkalosis.