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Which stage occurs throughout and accounts for approximately half of the entire sleep cycle?

Which of the following best characterizes the function of dreams and REM sleep as revealed in modern neuroscience research?

Which of the following enzymes assists with the digestion of carbohydrates?

Chris goes to the gym 5 days/week and enjoys weight lifting. Chris knows the RDA for protein is 0.8 grams/kg body weight, but their dietitian recommended 1.3 grams/kg body weight because Chris is so active. Chris weighs 154 lbs (70 kg) and eats 2000 calories per day. According to the dietitian, how many grams of protein should Chris consume per day? What percent of their calories will be from protein?

According to the Social Ecological Model, which of the following types (or ‘levels’) of factors can affect a person’s weight status?

A person falls asleep after a busy day. About an hour and a half into the sleep cycle, the sleeper’s brain activity increases and resembles that of an awake person yet he is in a state of sound sleep and experiences vivid dreams.  The sleeper is most likely in which stage of sleep?

Which of the following is not a critical function of lipids in the body?

During a full night of sleep for a young adult, REM sleep accounts for about __________ of the sleep cycle.

About 95% of the lipids in foods are:

Which of the following biological processes / systems require multiple different vitamins to function normally?