Exam 3 (nutriton)

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What term is specific to reactions in which simple compounds are combined to build more complex molecules?

Anabolic

When energy is needed, digested proteins yield amino acids that may enter the energy pathway at each of the following stages except..?

electron transport chain

What would be the approximate weight gain of a person who consumes an excess of 500 kcal daily for one week?

1 lb

As a general rule, what minimum number of kcalories per day is necessary to assure nutritional adequacy in an eating plan for reducing body weight?

1200

What is the approximate body mass index of a woman who is 5'5" and 125 lbs?

21

A high risk of weight-related problems is seen in women whose waist circumference begins to exceed?

35 inch

In a weight reduction regimen, the most realistic time frame for losing 10% of initial body weight is..?

6 months

What is the first product of fatty acid catbolism>

Acetyl CoA

Which of the following defines weight cycling?

A series of weight loss and regain episodes that affects body composition and metabolism

An index of a person's weight in relation to height is called..?

BMI (body mass index)

What is the primary factor that characterizes bulimia nervosa?

Binge-eating followed by purging

Which of the following describes the process of thermogenesis?

Generation of heat

Which of the following compounds CANNOT be formed from fatty acids?

Glucose

A BMI of 24 is indicative of which weight classification?

Healthy Weight

What is the most likely cause for a person to have abnormally high blood ammonia levels?

Liver dysfunction

All of the following are sensible guidelines for diet plans EXCEPT

eat rapidly to avoid prolonged contact with food

Which of the following would NOT be part of a successful program of weight gain in an underweight individual?

elimination of juice and milk

True or false: body mass index (BMI) reflects body composition

false

When energy-yielding nutrients are consumed in excess, which one(s) can lead to storage of fat?

fat, carbs, and protein

A woman with a waist-to-hip ratio of 0.87 is considered to be..?

at risk for health problems

Which of the following can NOT be formed from acetyl-CoA molecules?

glucose

After the first day or so of fasting, which of the following is most depleted in the body?

glycogen

Which of the following outlines the overall sequence of events in the complete catabolism of glucose?

glycolysis, aceytl CoA, TCA cycle, electron transport chain

Research in obese people seems to show that there is no increase in the risks for strokes and hypertension provided that the excess body fat is distributed around the..?

hips and thighs

What fraction of the day's energy expenditure of the average person is represented by the basal metabolism?

about 2/3

The feeling of satiety from weight-loss diets is best achieved by diets rich in?

complex carbohydrates

Which of the following is NOT an aspect of glycolysis?

it is irreversible

Which of the following can be used to fuel the brain and other activities in the absence of glucose from carbs?

ketones

Which of the following is a feature of the basal metabolic rate (BMR)?

lean body tissue increases the BMR

Which of the following is known to promote fat storage?

lipoprotein lipase

Which of the following describes the sum of all chemical reactions that go on in living cells?

metabolism

An aerobic reaction is one that requires..?

oxygen

Which of the following defines the body's sent point?

point above which the body tends to lose weight and below which it tends to gain weight

All of the following describe the behavior of fat cells, except?

the number decreases when fat is lost from the body

Using the Harris-Benedict method for BMR, estimate the daily energy thingy for 5'3", age 46, 135# lbs, very lightly active

-1700 kcals/day 2000 kcalsday

Which measure of body composition is considered the most accurate technique despite its requirement for bulky, expensive, nonportable equipment?

Hydrodensitometry

What is the weight classification assigned both to young women with 29% body fat and young men with 18% body fat?

Normal


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