If you have a stage 1 tumor, what would this indicate? Which statement is true regarding cancer vaccines?

Cancer vaccines are given to all school age children to help prevent the development of cancer.
Cancer vaccines are an experimental treatment that prevents the transmission of certain bacteria and viruses that are thought to cause cancer.
Cancer vaccines are given to patients who have already been diagnosed with certain types of cancer; they help prevent the spread or reoccurrence of cancer.
Cancer vaccines are made of cancer cells; they allow the body to develop protection against the formation of certain cancers.

When practicing refusal skills, it is beneficial to participate in a potentially stressful or threatening situation. select the best answer from the choices provided. t f

If you are having a hard time lifting something, you should arch your back. a. true b. false

Sally is a 43-year-old mother of two who has gained 50 pounds over the past 5 years. she is 64 inches tall and weighs 180 pounds with a bmi of 30.8. her waist circumference is 37 inches. she acknowledges that she is not as physically active as she would like to be. she also notes how recent stresses in her life have affected her sleep and seem to have triggered her appetite for sweets and comfort foods. sally's father recently died from complications of type 2 diabetes, and her mother and sisters are overweight. sally says she is very motivated to "not get diabetes" and is disturbed that her recent physical exam revealed mildly elevated blood pressure, glucose, and cholesterol levels. 1. sally stated that recent stresses in her life are affecting her sleep and seemed to have triggered her appetite for sweets and comfort foods. which of the following statements would be best to explain why her lack of sleep has increased her appetite? a. lack of sleep decreases ghrelin levels. b. levels of neuropeptide y, a brain chemical that causes carbohydrate cravings, are high and may contribute to her sleep problems. c. the satiety hormone leptin increases with lack of sleep. d. lack of sleep increases uncoupling protein. e. lack of sleep increases levels of ghrelin which stimulates appetite and decreases levels of leptin which decreases appetite.