Nutrition: Concepts and Controversies
13th Edition
ISBN: 9781133603184
Author: Frances Sizer, Ellie Whitney
Publisher: Cengage Learning
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Chapter 4, Problem 8SC
Summary Introduction
Introduction:
During the process of low food intake,
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Why are carbohydrates the body's preferred source of energy? Because they ... *
A. are expensive to buy
B. can be used as efficient fuel
C. are long term storage of energy
D. they are plentiful in the diet
which of the following does not have a stored form of energy reserve, but is readily able to switch from utilizing glucose to utilizing ketone bodies?
A. adipose tissue
B. the liver
C. skeletal muscle
D. neural tissue
E. peripheral tissues
Which type of foodstuff would you specifically want to increase in the diet of a person engaged in long term heavy exercise in cold weather (< 0 degrees C)? Assume an otherwise balanced diet.
Select one:
a.
Lactose
b.
Fats
c.
Lactic acid
d.
Carbohydrate
e.
Protein
Chapter 4 Solutions
Nutrition: Concepts and Controversies
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- Beta oxidation is ______. a. the breakdown of sugars b. the assembly of sugars c. the breakdown of fatty acids d. the removal of amino groups from amino acidsarrow_forwardBile has a role in _________ digestion and absorption. a. carbohydrate c. protein b. fat d. amino acidarrow_forwardWhen digested, fats are broken down into: a. fatty acids b. amino acids c. simple sugarsarrow_forward
- The Liver makes “Ketone Bodies” (acetoacetic acid and -hydroxybutryic acid): a. as a long-term energy storage reserve b. to provide an alternative energy source to muscle, the kidney and other organs when on a prolonged low carbohydrate diet c. from fatty acids oxidized to acetyl CoA d. to detoxify lactose absorbed from the large intestine e. when our muscles cannot get enough oxygen to carry out oxidative phosphorylationarrow_forwardAfter the first step in the metabolism of amino acids, which of the following statements are true? a. Alpha ketoglutarate gets converted to Glutamate b. Alpha amino acid gets converted to beta keto acid c. Alpha ketoglutarate gets converted into Glutamine d. Alpha amino acid gets coverted to alpha keto acidsarrow_forwardIf glycogen is depleted in the liver, which of the following is also occurring? Group of answer choices a. Glycogenesis in the muscle b. Fatty acid release by adipocytes c. Glycolysis in the liver to gain ATP d. Glucose uptake in the musclesarrow_forward
- All the following statements about ketone bodies are true except a. They are synthesized in mitochondria b. They can lower the pH of the blood c. Their synthesis increases in diabetes mellitus d. They can be oxidized in the liverarrow_forwardWhat is the harmful result when excessive amounts of fats are burned for energy? Name two conditions that might lead to this result.arrow_forwardWhich of the following statements regarding glucose is NOT true? a.)Glucose is a monosaccharide sugar b.)Glucose can be metabolized by both aerobic and anaerobic metabolism c.)The normal blood glucose concentration is 4-7 mmol/l d.)A high blood glucose concentration is called hypoglycemiaarrow_forward
- Insulin stimulates which of the following pathways? a. Gluconeogenesis b. Triacylglycerol synthesis and storage c. Lipolysis and fatty acid mobilization d. Glycogen breakdownarrow_forwardWhich of the following components are found in lipoproteins? Choose all that apply a. DNA b. Cholesterol c. Triglycerides d. Proteins e.arrow_forwardThe functionality of carbohydrates is increased through a. formation of sugar acids b. formation of amino sugars c. formation of glycoconjugates d. formation of ester phosphatesarrow_forward
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