Vitamin d is called the sunshine vitamin because: it calms our nerves. we must get it in our diet from plant foods that grow in the sun. it can be made in the skin by exposure to uv light. it is used to make serotonin, a neurotransmitter that enhances feelings of happiness.

In a study of a weight loss program, 40 subjects lost a mean of 3.0 lb after 12 months. does the weight loss program have practical significance? a. yes, because the weight loss program worked and the subjects lost a mean of 3.0 lb. b. no, because the mean weight loss of 3.0 lb after one year does not seem to justify the program. c. no, because the sample of 40 subjects was too small to determine if the program was useful. d. yes, because the mean weight loss of 3.0 lb after one year does seems to justify the program.

Which of the following describes the rooting reflex? a. a newborn turns the face toward a touch on the cheek in search of food. b. a newborn will automatically suck on objects placed in the mouth like a bottle. c. newborn immersed in water will display something like movement. d. newborn curls a hand around an object that touches the palm

When lifting heavy loads off the ground, the majority of the weight should be lifted by which of the following? a. arms b. legs c. back d. stomach