Can someone answer these 3 questions on the photos pleaseee

UUEIIUN 1 For a particular disease or health condition of interest in a specific population, which of the following can be gpected to have the smallest numerator? A a. Lifetime prevalence of the disease or health condition in this population A b. Period prevalence of the disease or health condition in this population since the start of this year (2020) A c. Point prevalence of the disease or health condition in this population on July 1, 2020 A d. More information is required to make a comparison QUESTION 2 Say, the incidence of a particular disease in a geographical location was the same in the years 2018 and 2019. However, a new mode of treatment was introduced at the beginning of 2019. This treatment has been very effective in prolonging survival but does not result in a complete cure from the disease. Assume that there was no migration, into that area or out from that area, during these two years. Compared with 2018, the prevalence of the disease in 2019 in that particular geographical area is expected to . (select the most likely scenario). A a. increase A b. remain constant A c. decrease A d. fluctuate QUESTION 3 Which of the following is the most appropriate question to examine the lifetime prevalence of cigarette smoking in a sample of college students? A a. Have you smoked a cigarette at any time during the last year? A b. Have you smoked a cigarette at any time in the past? A c. Do you currently smoke cigarettes? A d. Do you intend to smoke any time in the future