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A school nurse is teaching middle school students about physical changes during puberty. She gives the class a list of changes and asks them to identify which ones are secondary sex characteristics rather than primary ones:

Infants typically learn to lift and control their heads months before they begin crawling or walking. Which principle of physical growth does this best illustrate?

Based on the regional differences in sleep found in the global analysis of 68,000 adults, a company executive looking to open a new 24/7 call center would likely experience the highest worker fatigue and lowest average sleep duration in which of the following locations?

A pediatrician observes that a 2-year-old child’s head appears proportionally larger compared to their legs, while an adult’s head is proportionally smaller compared to their legs. Which explanation best applies the cephalocaudal principle to this observation?

Based on the assigned video, Dealing with Picky Eaters, registered dietitian nutritionist Trina Robertson explains the a method called “the division of responsibility in feeding.” Which of the following statement describes this method?

Which of the following statements regarding the relationship between body fat and the onset of menarche is correct?

A school district is developing an initiative to increase sports participation among high-school students. Based on the research on the most significant barrier in youth sports participation, which approach might be best to increase youth sports participation?

According to the information presented in Ch. 5, an increase in physical inactivity is correlated to a global rise in childhood obesity. Which of the following is a factor presented as contributing to children’s physical inactivity?

A new parent decides to breastfeed and follow the guidelines for infant bedding while also ensuring their infant is in the same room as them at night. Based on the information presented in your textbook, which statement accurately describes this family situation?

A family is visiting relatives and, contrary to safe guidelines, places their infant on a beanbag mattress for a nap. Additionally, the infant is over-bundled and dressed in extra clothes. According to the information presented in the textbook, what is the most likely increased risk associated with these unsafe practices?