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BIOS 260 EXAM 2 QUESTIONS AND ANSWERS
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BIOS 260 EXAM 2 QUESTIONS AND ANSWERS
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BIOS 260 EXAM 2 QUESTIONS AND ANSWERSKwashiorkor is caused by a severe protein deficiency and calorie. (t/f) Correct Ans-false--
this is the definition of marasmus. Kwashiorkor is a protein deficit with mild deficit in cals.
Are legumes are a good source of proteins? Correct Ans-true
Most of the time, __________________ contribute(s) less than 5% to the body's general
energy needs. However, during endurance exercise, it can supply as much as 15%. Correct
Ans-protein
Pepsin is a denaturing agent.(t/f) Correct Ans-false
Proteins, because they attract hydrogen ions, can act as Correct Ans-buffer
Urea represents the mean by which the body is excreting Nitrogen. (t/f) Correct Ans-true
What element is found in proteins but NOT in carbohydrates and fats? Correct Ans-
nitrogen
, BIOS 260 EXAM 2 QUESTIONS AND ANSWERS
a person weighing 80 kg his/her protein RDA per day is Correct Ans-64 g / day
to calculate: 0.8 times weight (kg)
how many amino acids are considered essential? Correct Ans-9
Dairy products provide proteins. (t/f) Correct Ans-true
A woman is considered obese when her total body content is Correct Ans-greater than
35%
BMI is an accurate measure to determine whether a person is underweight normal or
overweight. (t/f) Correct Ans-false
Visceral fat is stored chiefly Correct Ans-around the abdominal organs
Which of the following is true about basal metabolism? Correct Ans-it represents about
60-70% of total calories used by a sedentary person each day.
, BIOS 260 EXAM 2 QUESTIONS AND ANSWERS
Obesity is associated with increase risk of Correct Ans-gout, sleep apnea, infertility,
arthritis
Obesity increases the risk factor for stroke, sleep apnea, liver diseases. (t/f) Correct Ans-
true
Leo estimated energy requirement is 2200 kCal per day, how many calories should come from
the protein? Correct Ans-220-770 kcal
What instrument is used to measure the energy content of foods? Correct Ans-bomb
calorimeter
What is leptin? Correct Ans-Leptin is an adipokine (hormone) produced by the fat cells.
After a meal leptin is secreted into the blood stream and reached the hypothalamus where it
promotes the release of neurotransmitters that suppress appetite and stimulate energy
expenditure and ultimately body fat loss
What is the BMI of a person measuring 1.78m and weighing 69kg? Correct Ans-21.7
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