4937747
Descrição
Quiz por Zaneta Chan, atualizado more than 1 year ago
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Criado por Zaneta Chan
quase 9 anos atrás
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Questão 1
Questão
The primary role of B-vitamins is to
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Help boost the immune system
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Reduce stress
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Act as coenzymes
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Assist in maintaining a healthy nervous system
Questão 2
Questão
Which amino acid can be converted to niacin by the body?
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Phenylalanine
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Tyrosine
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Leucine
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Tryptophan
Questão 3
Questão
The DNA for making every protein in our bodies is contained in every cell nucleus.
Responda
- True
- False
Questão 4
Questão
Protein functions most effectively when
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You consume at least 1 gram per lb. of body weight
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You eat too few calories
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There are adequate calories from carbohydrates & fats in the diet
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You strength train & consume at least 1 gram per lb. of body weight
Questão 5
Questão
What mineral enhances the ability of insulin to transport glucose?
Responda
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Manganese
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Iodine
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Chromium
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Choline
Questão 6
Questão
The functions of proteins are all of the following except:
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Cell growth, repair, and maintenance
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Primary energy source
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Fluid balance
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Acting as enzymes & hormones
Questão 7
Questão
The RDA for protein, for sedentary people is
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60 grams
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0.8 gram/kg/body weight
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1 gram/kg/body weight
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2 grams/kg/body weight
Questão 8
Questão
A semi-vegetarian is someone who
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eats animal products once in awhile
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typically excludes or limits red meat
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eats only fish but not poultry or red meat
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consumes no dairy products
Questão 9
Questão
During protein synthesis, what is the term given to the amino acid in least supply?
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Incomplete amino acid
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Limiting amino acid
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Complementary amino acid
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All of the above
Questão 10
Questão
Mutual supplementation refers to what?
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The process of combining 2 proteins
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The amino acid that is missing or in smallest supply
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The process of combining 2 or more incomplete proteins
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The process of combining a protein & a carbohydrate
Questão 11
Questão
The spongy bone that is found within the ends of long bones is called _________
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Cortical
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Osteoblast
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Collagen
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Trabecular
Questão 12
Questão
Bone cells that are responsible for bone resorption are called ____
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Osteoclasts
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Cortical
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Osteoblasts
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Trabecular
Questão 13
Questão
In addition to proper growth & development, bone remodelling is critical in maintaining _______
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Blood glucose levels
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Blood calcium levels
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Blood coagulation
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Vitamin D production
Questão 14
Questão
At what age does bone resorption generally begin to occur more rapidly than bone formation?
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10
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20
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40
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60
Questão 15
Questão
Assuming equal serving sizes, which of the following foods would be the poorest source of calcium?
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Skim Milk
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Whole Milk
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Cheddar cheese
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Cottage cheese
Questão 16
Questão
If a healthy individual were to consume too much calcium from the diet, which of the following is MOST likely to occur?
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They would experience hypercalcemia
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They would begin to produce kidney stones
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Their gastrointestinal tract would limit the absorption of calcium
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Calcium deposits would accumulate in the soft tissues of the body
Questão 17
Questão
Which of the following organs is responsible for the synthesis of vitamin D?
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Skin
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Liver
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Kidneys
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All of the above
Questão 18
Questão
Vitamin D toxicity is associated with
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Sunburns
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Suntan lotions
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Seafood
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Supplements
Questão 19
Questão
Calcitonin is a hormone secreted by the _________ gland.
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Adrenal
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Parathyroid
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Pituitary
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Thyroid
Questão 20
Questão
Individuals who have diseases that results in the malabsorption of _____ are at risk for a vitamin D deficiency.
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Carbohydrate
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Fat
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Minerals
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Protein
Questão 21
Questão
Most of the body's phosphorus is stored in _______
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The liver
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Adipose tissue
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Skeleton
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Kidneys
Questão 22
Questão
Fluorosis is associated with _______
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insufficient intake of fluoride
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consuming too much fluoride
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Alzheimer's disease
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Osteoporosis
Questão 23
Questão
The hormone that assists in maintaining blood calcium levels by stimulating the activation of Vitamin D is _______
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Insulin
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Cortisol
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Parathyroid hormone (PTH)
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Calcitonin
Questão 24
Questão
Which of the following plant sources of calcium has the lowest bioavailability?
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Kale
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Spinach
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Brocolli
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Turnip greens
Questão 25
Questão
As bone resorption begins to occur more frequently than bone formation, adults tend to lose height.
Responda
- True
- False
Questão 26
Questão
As compared to light-skinned individuals, the synthesis of vitamin D is limited in individuals with darker skin.
Responda
- True
- False
Questão 27
Questão
The fluid portion of the blood is called
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Serum
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Platelets
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Leukocytes
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Plasma
Questão 28
Questão
Which of the following statements is FALSE regarding free radicals?
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Free radicals are formed as a by-product of healthy metabolism
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Our body has no mechanism to combat free radicals
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Exposure to pollution increases free radical production
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Many diseases, such as cancer & heart disease, are linked to free radical damage
Questão 29
Questão
Toxicity symptoms of vitamin A include birth defects, spontaneous abortion, blurred vision, & liver damage
Responda
- True
- False
Questão 30
Questão
Free radicals
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are very stable atoms
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are rarely formed by the body's fundamental physiological processes
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damage the cell's mitochondria
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are formed by exposure to air pollution & tobacco smoke
Questão 31
Questão
Which of these has NOT been linked to free radical damage?
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Cancer
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Heart disease
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Arthritis
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Type I diabetes
Questão 32
Questão
Which of the following increases the RDA for vitamin C?
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Smoking cigarettes
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Drinking alcohol
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Begin a vegan
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Taking supplements of vitamin C
Questão 33
Questão
Which of the following statements if FALSE regarding free radicals?
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Free radicals are formed as a by-product of healthy metabolism
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Our body has no mechanism to combat free radicals
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Exposure to pollution increases free radical production
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Many diseases, such as cancer & heart disease, are linked to free radical damage
Questão 34
Questão
A diet adequate in carbohydrates helps to ensure the use of Protein for growth & maintenance & is called _____
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Protein intense
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Carbohydrate intense
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Protein sparing
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Fat lacking
Questão 35
Questão
Which water-soluble vitamin can regenerate vitamin E after it has been oxidized?
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Vitamin D
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Vitamin B12
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Vitamin C
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Folate
Questão 36
Questão
Taking Vitamin E supplements along with _____ can cause uncontrollable bleeding
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Antidepressants
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Anticoagulants
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Cholesterol-lowering medications
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Oral contraceptives
Questão 37
Questão
Which of the following statements is FALSE concerning Vitamin C?
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Vitamin C is also known as ascorbic acid
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Vitamin C acts as an antioxidant that may help to reduce the risk of chronic diseases
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Vitamin C helps the immune system by enabling the body to make white blood cells
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Smokers should consume less Vitamin C than non-smokers
Questão 38
Questão
The doctor has recently told Julie that she is anemic. Julie should consume _____ with her iron supplement to increase its absorption
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A tablespoon of castor oil
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A glass of milk
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A glass of orange juice
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Scrambled eggs
Questão 39
Questão
Consuming even moderately excessive doses of Vitamin C supplements would be most harmful to individuals suffering from ____
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Scurvy
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Diabetes mellitus
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Hemochromatosis
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Keshan disease
Questão 40
Questão
Beta-carotene is a precursor of
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Retinol
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Alpha-tocopherol
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Zeaxanthin
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Ascorbic acid
Questão 41
Questão
What other vitamins or minerals are instrumental to bone health besides calcium?
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Phosphorus & vitamins K, E & D
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Phosphorus, magnesium, & vitamins K & D
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Phosphorus, magnesium, fluoride, & vitamins K & D
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Vitamin D, phosphorus, magnesium & fluoride
Questão 42
Questão
Dowager's hump is one characteristic of
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Fluorisis
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Osteoporosis
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Rickets
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The female athlete triad
Questão 43
Questão
Vitamin C is essential in the synthesis of
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Ascorbic acid
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Collagen
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Carbohydrates
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Hemoglobin
Questão 44
Questão
Bone density is influenced by
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Genetics
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Dietary intake
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Body weight
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All of the above
Questão 45
Questão
Vitamin D is converted to its active form by the
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Skin
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Bones
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Liver & kidneys
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Small intestines
Questão 46
Questão
Which of these has been associated with reducing the risk of both breast and prostrate cancer?
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consumption of arsenic
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consumption of soybean & soy products
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consumption of lead
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consumption of saturated fats
Questão 47
Questão
Limitations of using BMI to determine weight & health risk are that
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Does not distinguish between lean & fat body mass
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Does not address fat distribution, where fat is stored
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Does not take age into consideration
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All of the above
Questão 48
Questão
Which fat distribution pattern puts one at greater risk for complications such as diabetes & heart disease?
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Pear-shaped fat patterning
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Apple-shaped fat patterning
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Fat distribution doesn't impact risk
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Banana-shaped fat patterning
Questão 49
Questão
The primary determinant of our basal metabolic rate is
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Age
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Amount of lean body mass
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Activity
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Gender
Questão 50
Questão
What is the first line of defence in obesity treatment?
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Consulting a therapist or social worker to investigate underlying issues
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A personal trainer to help set up an exercise program
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A low-calorie diet & regular physical activity
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A very-low-calorie diet to promote rapid weight loss
Questão 51
Questão
Treatments for obesity may include
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Low-calorie diet & regular exercise
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Lifestyle changes
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Prescription medications (some)
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Surgery
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All of the above
Questão 52
Questão
Weight-loss surgery is advised in healthy individuals who have a BMI of
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> 28
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> 30
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> 35
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> 40
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