BIOD 121
PRACTICE EXAM QUESTIONS
WITH CORRECT DETAILED
ANSWERS | ALREADY GRADED
A+<RECENT VERSION>
1) Food - answer provides calories for energy
2) Nutrients - answer (1) promote growth and development;
(2) maintain tissue, cells, and bone;
(3) fuel the body for physical and metabolic work;
(4) regulate body processes
Over 45 essential nutrients
3) Hunger - answer internal drive/sensation - growling, pain
4) Appetite - answer external drive to eat - pleasant feeling, eat when not
hungry
5) Role of hypothalamus in hunger - answer detects drop in nutrients in
circulation - hunger center
Rise - satiety center
,6) Monitors hormonal signals and nervous system from entire body
7) Gi tract - answer mouth, esophagus, stomach, small intestine, large
intestine, rectum, and anus
8) Hormones that increase hunger - answer ghrelin, neuropeptide y
(npy), endorphins
9) Hormones that decrease hunger - answer leptin, serotonin,
cholecystokinin (cck)
10) Four external forces for eating habits - answer sensory
Cognitive
Environment
Health status
11) Sensory forces - answer flavor, texture, and appearance
12) Cognitive forces - answer habits, comfort, advertising, social,
nutrition
13) Environmental forces - answer economics, lifestyle, culture,
location, climate
14) Carbohydrate - answer macronutrient
Organic
Supply energy
Sources: grains, vegetables, fruits, dairy products, and legumes
15) Protein - answer macronutrient
, Organic
Energy, regulate processes, provide structure
Sources: meats, dairy products, legumes, vegetables, and grains
16) Lipids - answer macronutrient
Organic
Energy, regulate processes, provide structure
Sources: fats, oils, meats, and dairy products
17) Vitamin - answer micronutrient
Organic
Regulate processes
Fat soluble: a, d, e, k
Water soluble: b vitamins and vitamin c
18) Mineral - answer micronutrient
Inorganic
Regulate processes, provide structure
Macro-minerals: 16 minerals needed in relatively large quantities
Micro-minerals: only needed in small amounts and often referred to as
the trace minerals
19) Water - answer macronutrient
Inorganic
Regulate processes, provide structure
20) Body uses nutritional energy to (4 things) - answer build new
compounds.
Perform muscular movements (mechanical energy).
Promote nerve transmissions (electrical energy).
Maintain ion balance within cells.
, 21) Calorie - answer amount of energy needed to raise temperature
1 gram of water 1 degree c
Calorie = 1 kilocalorie = 1,000 calories
22) Macronutrient kcal/g - answer carbohydrates: 4 kcal/gram
Proteins: 4 kcal/gram
Fats: 9 kcal/gram
Alcohol: 7 kcal/gram
23) Fnb dietary guidelines - answer 10-35% protein
45-65% carbohydrates
20-35% fat
24) Nutrient-dense food - answer a food that contains lots of
vitamins and minerals relative to the number of calories
25) Nutritional status - answer desirable nutrition
Overnutrition
Undernutrition
26) Malnutrition - answer can be over- or under-nutrition
27) Abcde's of nutritional assessment - answer anthropometric
Biochemical
Clinical
Dietary
Environmental
28) Anthropometric assessment - answer measurement of body
weight and the lengths, circumferences, and thicknesses of parts of the
body