NSC EXAM NEWES T 2024 ACTUAL EXAM
180 QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS ) |ALREADY GRADED
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What is the precursor to active vitamin D? - ANSWER- Cholesterol
What is necessary for cell membranes and lipoprotein structure?
- ANSWER- phospholipids
What does the body release when blood sugar is high? - ANSWER- insulin (when digesting new food)
What does the body release when blood glucose is low? - ANSWER- glucagon (when hungry)
Which mineral helps give methionine and cysteine their three- dimensional shape and is found in hair and nails? - ANSWER- sulfur
A goiter is caused by a deficiency in what mineral? - ANSWER- Iodine 1 / 4
The average healthy adult is about ____% of water. - ANSWER- 55 or 60
What is the micronutrient that functions as the amino acid vitamin? - ANSWER- vitamin B6
How many calories are in a gram of fat? - ANSWER- 9 calories
How many calories are in a gram of protein? - ANSWER- 4 calories
How many calories are in a gram of carbs? - ANSWER- 4 calories
What is nutrigenomics? - ANSWER- scientific study of the interaction of nutrition and genes
What are macronutrients? - ANSWER- carbohydrates, fats, proteins
What are the micronutrients? - ANSWER- vitamins and minerals 2 / 4
What cannot be digested? - ANSWER- fiber
Define energy balance - ANSWER- energy in = energy out
What are the five characteristics of a nutritious diet? - ANSWER- balance, adequacy, calorie control, moderation, variety
What is adequacy? - ANSWER- foods that provide enough of each essential nutrient, fiber, energy
What is balance? - ANSWER- the choices do not overemphasize one nutrient or food type at the expense of another
What is calorie control? - ANSWER- staying within your energy balance
What is energy balance? - ANSWER- energy in = energy out
What is moderation? - ANSWER- taking in more nutrient dense foods and less of the "junk"
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What is variety? - ANSWER- within a food group, eating different things
What are observational studies? - ANSWER- Observational
Study: the researcher carefully and systematically observes and
records behavior without interfering with the behavior.
What are some observational studies? - ANSWER- Epidemiological studies, Cross-sectional studies, Case-control studies, Cohort studies
What are experimental studies? - ANSWER- these are controlled tests of a hypothesis in which the researcher manipulates an independent variable to discover its effect on a dependent variable.
What are some experimental studies? - ANSWER- Laboratory- based animal studies, Laboratory-based in vitro studies, Human intervention (clinical) trials, Cross-over design
What do case studies do? - ANSWER- May lead to possible avenues of research
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