The main active form of vitamin D in the body is
A. cholecalciferol.
B. calcitriol.
C. retinal.
D. calcitonin.
Answer: B
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Which of the following describes a meta-analysis?
1.an educated guess 2.evaluation of scientific reports by peers 3.an analysis of data from multiple studies 4.the finding that one condition is correlated with another
Jack has just returned from the hospital where his father is recovering from a heart attack. The doctors told Jack that his dad's atherosclerosis is very serious. Jack and his wife, Melanie, are worried about Jack's father and also are starting to think about Jack's risk of having heart disease in his lifetime. He sets up an appointment at his doctor's office and has his blood lipid levels
evaluated for the first time. Let's see if you can answer some of the questions that Jack and Melanie have.What process occurs in atherosclerosis? a. Oxidized LDL is incorporated into the lining of arteries. b. A blood clot travels to the brain and causes a stroke. c. Chylomicrons cause veins to lose their elasticity. d. Blood pressure becomes too low and leads to dizziness. e. HDL transports cholesterol to the liver for disposal.
How many calories are there per gram of aspartame?
A) 4 B) 7 C) 9 D) 0
Which of the following is characteristic of the modern industrialized human, but not of the pre-agricultural hunter-gatherer?
a. He burned about 3,000 calories per day, on average. b. He lived a feast or famine existence. c. He ate foods containing refined sugar. d. He ate lean wild game/fish.