Student-Generated Nutrition & Metabolism Quiz

Anabolism is...
1. breaking down
2. adding amino acids
3. building up
4. none of these
Maltose + H2O=
1. glycerol + 3 fatty acids
2. glucose + glucose
3. glucose + fructose
4. amino acid + amino acid
What is glucose stored as in the liver and muscles?
1. glycerol
2. glycogen
3. fructose
4. amino acids
Enzymes....
1. control the rate of chemical reactions
2. need coenzymes and cofactors for activation
3. are activated in a specific sequence in metabolic pathways
4. all of these
During catabolism, ___% of the potential energy is lost as heat and ___% is gained in ATP.
1. 60%; 40%
2. 20%; 80%
3. 90%; 10%
4. 40%; 60%
During oxidation, cells burn (oxidize) ___ FIRST.
1. protein
2. glucose
3. fat
4. starch
One molecule of glucose when completely catabolized yields ___ ATP.
1. 2
2. 4
3. 36
4. 40
The mitochondrial activity responsible for ATP production is specifically classified as:
1. metabolic turnover
2. electron transport
3. aerobic respiration
4. anaerobic respiration
When released into the blood, the fatty acids bind to ____, the most abundant plasma protein.
1. glucose
2. albumin
3. acetone
4. glycerol
In the breakdown of RNA, the molecules are disassembled into individual:
1. nucleotides
2. peptides
3. amino acids
4. starch molecules
Another name for lipid catabolism is:
1. lipogenesis
2. lipoprotein
3. lipid synthesis
4. lipolysis
High density and low density lipoproteins are formed in the:
1. spleen
2. liver
3. gall bladder
4. kidneys
Glycolysis is the breakdown of ___ into ____.
1. pyruvic acid to glucose
2. glucose to pyruvic acid
3. glycogen to pyruvic acid
4. glycogen to glucose
What is the minimum, resting energy expenditures of an awake, alert person called?
1. BMI
2. BMR
3. glycolysis
4. thermoregulation
An example of a complex carbohydrate is
1. starch
2. glucose
3. triglyceride
4. fructose
The making of glucose from noncarbohydrate molecules is called:
1. gluconeogenesis
2. glycolysis
3. lipogenesis
4. Kreb's cycle
What instrument measures the amount of energy a food burns?
1. calorimeter
2. thermoregulator
3. metabolic rate
4. heat-loss center
Unlike the other fat-soluble vitamins, what vitamin can usually be synthesized in adequate amounts by the skin when exposed to sunlight?
1. vitamin A
2. vitamin D
3. vitamin E
4. vitamin K
An excess of vitamin B12 causes:
1. nausea
2. polycythemia (elevated hematocrit)
3. jaundice
4. diabetes
A unit of food energy that represents the energy it takes to raise the temperature of one kg of water one degree Celsius is the:
1. Calorie
2. kilocalorie
3. centigrade
4. A and B are correct
The small amount of water produced by mitochondria during the operation of the electron transport system is called?
1. tap water
2. metabolic water
3. respiratory water
4. insignificant water
For each molecule of glucose broken down, activity at the electron transport
chain in the inner mitochondrial membrane provides how many ATP?
1. 2
2. 4
3. 24
4. 32
The acidification of the blood and body tissues is called:
1. ketoalkalosis
2. ketoacidosis
3. acid reflux
4. none of these
What are the two processes that provide most of the ATP for cells?
1. glycolysis and anaerobic metabolism
2. TCA cycle and glycolysis
3. glycolysis and aerobic metabolism
4. lipogenesis
Body heat can be conserved by:
1. decreasing blood flow to the skin
2. increasing blood flow to the skin
3. dilation of capillaries serving superficial structures
4. none of these
How is cholesterol important to the body?
1. waterproofing agent in the epidermis
2. component of bile
3. lipid component of cell membranes
4. all of these
LDL's (low density lipoproteins should be under_______mg/100 ml for those at risk of heart disease.
1. 50
2. 60
3. 100
4. 200
Why is HDL cholesterol called "good cholesterol"?
1. it does not build up in the arteries
2. transports excess cholesterol from peripheral tissues to liver for storage or excretion in the bile
3. does not cause circulatory problems
4. all of these
Which of the following is NOT an example of aerobic cellular respiration?
1. Kreb's cycle
2. glycolysis
3. transition reaction
4. electron transport system
Which one of these processes is anaerobic?
1. glycolysis
2. Kreb's cycle
3. lipid catabolism
4. RNA catabolism
Which of these vitamins is water-soluble?
1. vitamin A
2. vitamin B1
3. vitamin K
4. vitamin E
What factors influence BMR?
1. age
2. body weight
3. genetics
4. all of these
Which mineral is the most important cation found INSIDE body cells?
1. sodium
2. chloride
3. potassium
4. magnesium
In the absence of oxygen, how many molecules of ATP [net] are produced by catabolism of one molecule of glucose?
1. 1
2. 2
3. 8
4. 36
Which of the following is not an energy source for cells?
1. glucose
2. amino acids
3. fatty acids
4. vitamins
The condition in which there is an excessive consumption of vitamins is:
1. avitaminosis
2. hypervitaminosis
3. pyrexia
4. anorexia
The breakdown of fatty acids into two-carbon acetyl CoA molecules (or ketones) is via the process of:
1. beta oxidation
2. glycolysis
3. fermentation
4. anaerobic respiration
This refers to all the chemical reactions that occur in the body:
1. metabolism
2. glycolysis
3. lipogenesis
4. lipolysis
When carbohydrates and fat stores are depleted what does the body use as
its fuel source?
1. triglycerides
2. proteins
3. glucose
4. fructose
Glucose is stored in the following:
1. liver and muscles
2. pancreas
3. kidneys
4. small intestine
What mineral is necessary for the synthesis of the thyroid hormones?
1. sodium
2. iodine
3. iron
4. magnesium
What vitamin is necessary for the synthesis of FAD?
1. thiamine
2. riboflavin
3. niacin
4. B6
What is the first step in glycolysis?
1. the atoms in each three-carbon molecule are rearranged and each molecule produces 2 ATP
2. the six-carbon chain is split into two three-carbon molecules
3. a second phosphate group is attached
4. a phosphate group is attached to the glucose molecule, trapping it in the cell
Aerobic respiration increases the body's supply of .......
1. CO2
2. water
3. ATP
4. all of these
When the body is engaged in long-duration, low intensity exercise, the principal energy source is..........
1. carbohydrates
2. fatty acids
3. amino acids
4. glycogen
Protein metabolism is an impractical source of quick energy because......
1. protein molecules are difficult to catabolize
2. its by-product (ammonia) is a toxin that can damage cells
3. proteins are important structural and functional cell components
4. all of these
Gaining an electron or hydrogen atom is:
1. oxidation
2. aerobic respiration
3. reduction
4. hydrolysis
The vitamin required for synthesis of visual pigments is:
1. vitamin K
2. vitamin C
3. vitamin B12

Student-Generated Nutrition & Metabolism Quiz

Practice Quiz: Chapter 17: Please do not print (17 pages total)