The nurse is discussing the impact of smoking with the mother of a toddler. Which statement by the mother indicates an adequate understanding of the impact of her smoking?
a) "Secondhand smoke can increase the risk of respiratory infections for my child."
b) "Toddlers are not affected by exposure to cigarette smoke."
c) "I can smoke indoors as long as the windows are open."
d) "Smoking has no effect on my child's health."
