Nutrition test 2 quiz questions Flashcards
(20 cards)
The formation of glycogen by the liver cell is an example of
anabolism
True or False: Glycolysis is irreversible.
False. Glycolysis is reversible.
Cori cycle involves the interconversion of _____
lactate and glucose
Which of the following is a product from the electron transport chain?
Water
How many acetyl CoA molecules may be obtained from oxidation of an 18-carbon fatty acid?
9
Which of the following leads to production of urea?
Oxidation of amino acids
Which statement defines a coenzyme?
An organic molecule required for the functioning of an enzyme
What metabolic reaction occurs when a cell uses energy?
ATP releases a phosphate group and becomes ADP
Where does the TCA cycle take place?
Inner compartment of the mitochondria
A consequence of a cellular deficiency of oxaloacetate would be a slowing of _____.
the TCA cycle
What instrument is used to measure the energy content of foods?
Bomb calorimeter
What is the approximate value for the thermic effect of food (TEF) of a 2500-kcalorie diet?
250 kcals
The TEF is estimated to be 10% of the total caloric intake.
An index of a person’s weight in relation to height is called
BMI body mass index
Which of the following is a characteristic of excess intra-abdominal fat?
Some research suggests that it is more harmful than fat in other locations.
it is associated with higher risk in both genders. The correct answer is that research suggests that it is more harmful than fat located in other places.
To estimate the energy requirements of individuals, what used in the equations?
weight, height, age, gender and physical activity
Which of the following does NOT describe the behavior of fat cells?
The number decreases when fat is lost from the body
As a new assistant in a weight-loss research laboratory, you are given a tour of the mouse laboratory. Why is the leptin-deficient mouse much larger than its leptin-sufficient counterpart?
Leptin deficiency enhances appetite and decreases energy expenditure
What is the significance of the uncoupling proteins in adipose tissue?
Increased loss of energy as heat
Which of the following would be most effective at lowering energy intake in a person on a weight reduction program?
Select less energy dense foods
What determines a person’s susceptibility to obesity?
Heredity and environment
