Which statement about cancer is true? help asap a. Cancer is never guaranteed to be prevented

b. Breast cancer only occurs in women.

c. The risk of skin cancer has been linked to salt.

d. The risk of cancer is reduced by increasing fat intake.

Why is it important that fibrin is insoluble in water?

[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine.what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.

1. a teacher who provides opportunities for children to master challenges and to become independent is creating a pro-social environment. reducing mental health issues. reducing aggression. creating a stress-free environment. 2. which of the following is not an effect of toxic stress? may cause developmental delays hormone, such as cortisol, increase heart rate increase may cause reaction to higher thresholds of stress 3. when a child behaves in a way that is not typical of his or her age and developmental level, it is difficult for a teacher to know if there is a mental health problem because appropriate behaviors might be learned with more experience and practice. observed behaviors cannot be reliably linked to mental health status. teachers are rarely qualified to identify mental health issues. most atypical behavior can be attributed to cultural differences. 4. a teacher who learns that a child recently lost a sibling and talks to the parents about how they manage behavior at home is employing a(n) promotion strategy. functional assessment. attachment strategy. transformation strategy. 5. arianna is feeling frustrated. to her learn to interact appropriately with others, her teacher, who encourages pro-social behavior, talks to arianna about her skills, and provides puzzles that challenge her. accomplishments. feelings, and brainstorms ways to ease her frustration. friends and how much they love her. 6. which of the following is not a goal of conducting a functional assessment? finding ways to prevent the problem behavior completing documentation for the health record teaching the child appropriate behaviors determining why a problem behavior occurs 7. according to the pyramid model supporting social emotional competence in infants and young children, which of the following is an example of a nurturing and responsive relationship? provide to children with mental issues. adults attend carefully to children’s cues. there are opportunities for children to appropriately express feelings. teach friendship skills. 8. how can mental health affect a child’s development? mental health has an indirect relationship to cognitive learning. mental health is tied to children’s perceptual well-being. lack of mental health diminishes children’s response to stress. a lack of mental health can affect the architecture of the brain. 9. teaching a child to recognize and describe feeling is an example of nurturing and responsive relationships. targeted social emotional supports. intensive intervention. high-quality, supportive environments. 10. a preschool teacher spots three-year-old alexandra angrily throwing a ball at logan, and the teacher intervenes by offering to play catch with alexandra while letting her know that throwing toys is not appropriate. this is an example of a(n) promotion strategy. clinical intervention. engagement strategy. transformation strategy.