Alcohol slows the body's use of correct answers fat for fuel
Feasting correct answers more energy consumed than expended
Excess carbohydrates are first stored as __________. When these stores are full, this ______ is
then used for ______, displacing use of _____, so ______ is stored. correct answers glycogen
glycogen
energy
fat
fat
Alcohol yields how many kcals/gram? correct answers 7 kcal/g
When we consume carbohydrates, the excess glucose is stored as _______ in the _____ and
______. correct answers glycogen
liver
muscles
When we overconsume, our ____ cells ______.
In adulthood, the ______ get ______ in size.
In infancy, the _______ of cells ______. correct answers fat
enlarge
fat cells
larger
number
increases
Humans lay down the number of _____ cells they are going to have for their whole life in _____.
This is why it is important to have adequate eating between _______ of life. correct answers fat
infancy
6 to 12 months
Fat yields ______. It is the most calorically ______ macronutrient. correct answers 9 kcal/g
dense
Consumed fat takes a direct route to the correct answers adipose tissue for storage
The body possesses _____ to convert excess ______ to body fat, but the process is very ______.
correct answers enzymes
protein
inefficient
When a person engages in feasting:
carbohydrates -> ______ -> _______
,fat -> ________ -> ________
protein -> ________ -> ________ correct answers glucose; liver and fat as glycogen stores
fatty acids; body fat stores
amino acids; nitrogen lost in urine
When a person engages in feasting with protein, it is broken down in the body to ______, which
are first used to replace body ______. Excess contributes to body _______ and can also be
converted to ______ or ______. correct answers amino acids
proteins
fuel
glucose
fat
The body is always _______ active, even when you are not active. This is referred to as your
_______ _________. correct answers metabolically
basal metabolism
basal metabolism correct answers the energy needed to maintain life when a body is at complete
digestive, physical, and emotional rest
Roughly _____ of your energy expenditure is just to keep you alive. correct answers 2/3
When you're not eating, your body is using _____ ______ available in your body. This is a
_______ state. When you're fasting, the body uses _____ from the _____, and _____ from the
______ tissue as a source of energy. correct answers store fuel
fasting
glycogen
liver
fatty acids
adipose
Liver glycogen can only supply _____ for up to _____. correct answers glucose
a day
Within a few hours of a fast, the cells primarily use ______ as a fuel source. However, the
________ is not able to use ______ as a fuel source; it requires ______ correct answers fatty
acids
nervous system
fatty acids
glucose
Brains, nerves, and red blood cells cannot metabolize ______. They need ______ for fuel.
correct answers fatty acids
glucose
, Since ____ cannot be used by the nervous system for energy, body _____ are catabolized and
_____ acids are converted to ______ in the _____ to provide fuel for the ______. correct
answers fatty acids
proteins
amino
glucose
liver
brain
For the first few days of a fast, ______ of the glucose is provided through the use of body _____,
and _____ of the glucose comes from the _____ backbones from _____ acid breakdown. correct
answers 90%
protein
10%
glycerol
fatty
During a prolonged fast, ______ develop from the _________ of fat can serve as fuel for the
______. The primary fuel for most areas of the brain is still ______. correct answers ketone
bodies
catabolism
brain
glucose
Ketone bodies correct answers compounds produced during the incomplete breakdown of fat
when glucose is not available in the cells
Ketone bodies are _____, _____-soluble compounds produced by the ______ from fatty acid
fragments. correct answers acidic
water
liver
Ketone bodies help slow _____ tissue catabolism, so _____ tissue wasting slows but ______
through prolonged ______/_______. correct answers lean
lean
continues
fasting
starvation
During fasting:
Liver and muscle glycogen stores -> ____ -> ______
Body fat stores -> _____ -> ______
If fasting continues beyond glycogen depletion:
body protein -> ______ -> _______ , _______, ______ -> _______
body fat -> ______ -> _______ -> ______ correct answers glucose; energy for brain, nervous
system, RBC