_____ are short term regulators of appetite, whereas ______ is a long-term regulator
Insulin and cholecystokinin (CCK), peptide YY (PYY)
Peptide YY (PYY) and insulin, cholecystokinin (CCK)
Peptide YY (PYY) and cholecystokinin (CCK)
Leptin and insulin; cholecystokinin (CCK)
leptin and insulin; peptide YY (PYY)
______ yield about 4 kcal/g when completely oxidized, whereas ______ yield about 9 kcal/g?
proteins and carbohydrates, fats
proteins, fats and carbohydrates
fats, carbohydrates and proteins
carbohydrates, fats and proteins
carbohydrates and fats, proteins
Most carbohydrates in the body are found:
adipose tissue
muscular tissue
blood
liver
pancrease
Carbohydrates function as structural components of other molecules including all of the following except:
glycolipids
glycoproteins
nucleic acids
amino acids
ATP
Lipid functions include all of the following except:
plasma mebrane structure
forming myelin around nerve fibers
chemical structure of hormones
cushioning around soft organs
forming skeletal muscle fibers
_____ constitutes the so-called " bad cholesterol"?
triglycerides
chylomicrons
low-density lipoproteins
high-density lipoproteins
very-low density lipoproteins
HDL comes from:
diet
pancreas
small intestine
GB
Proteins are associated with all these functions except:
muscle contraction
transport of blood lipids
blood viscosity and osmolarity
enzymatic reactions
serving as cofactors for enzymes
Most protein in the body is found in:
skeletal system
muscular system
cardiovascular
integumentary
lmyphatic
Which of the following would you expect to be in a state of negative nitrogen balance:
growing kids
preggers
weightlifters
patients with muscle atrophy
bodybuilders
High-quality ______ proteins are those that provide all the essential amino acids
globular
fibrous
net
incomplete
complete
Vitamin____deficiency is the most common worldwide.
A
B
C
D
E
Mineral are _____ , whereas vitamins are ______?
micronutrients, macronutrients
water soluble elements, lipid-soluble compounds
inorganic elements, organic compounds
inessential nutrients, essential nutrients
incomplete nutrients, complete nutrients
_____ is a product of glycolysis
glucose
carbon dioxide
lactic acid
pyruvic acid
acetyl CoA
Which of these processes is essential for all of the rest to happen?
glycolysis
citric acid cycle (Krebs)
lactic acid reduction
electron-transport chain
anaerobic fermentation
The synthesis of glucose from amino acids belongs to a metabolic process called?
glycogenesis
glycogenolysis
gluconeogenesis
glycogen catabolism
______ is a product of aerobic respiration:
oxygen
Most of the NADH contributing energy to ATP synthesis is produced by:
citric acid cycle
mitochondrial proton pumps
electron transfer from FADH2
Glycolysis and aerobic respiration collectively produce up to _____ ATP per glucose, whereas anaerobic fermentation produces______.
2, about the same, varying from one tissue to another
38, none
38, 2
38, 36
38, about the same varying from one tissue to another
Which of the following compounds yields the most ATP per molecule?
acetyl coA
glycogen
The inner membrane of a mitochondrion contains the protein ____, which harnesses the energy created by H+ flow to produce ATP by a process called _____:
enzyme complex, reduction
ATP synthase, oxidation
enzyme complex, proton pumping
ATP synthase, the chemiosmotic mechanism
cytochrome c, reduction
Most of the body's fat is stored as?
LDL
HDL
cholesterol
triglyceride
fatty acids
Fatty acids are catabolized by a process called:
beta oxidation
ketogensis
lipgenesis
lipolysis
the fat sparing effect
Incomplete fatty acid oxidation produces _____, which might lead to _____?
triglycerides, new triglycerids
ketone bodies, acidosis
pyruvic acid, acidosis
glycerol, alkalosis
acetyl CoA, acidosis
Oxidation of a typical fatty acid can yield how many ATP?
2
18
36
38
129
The highest rate of tissue protein turnover happens in the?
intestinal mucosa
gastric mucosa
hepatic sinusoids
splenic sinusoids
pancreatic sinusoids
The first step in using amino acids as fuel is to ____ them?
digest
deaminate
transaminate
synthesize
aminate
The liver performs all of the following functions except?
detoxification
phagocytosis
secretion of digestive enzymes
synthesis of plasma proteins
What metabolic process produces ammonia?
beta oxidation of alpha-ketoglutaric acid
transamination of urea
amination of keto acids
deamination of glutamic acid
The liver does not?
convert ammonia to urea
carry out most beta oxidation
produce insulin and glucagon
synthesize cholesterol
synthesize glucose from fats and amino acids
During the postabsorptive state?
the principal regulatory hormone is
glucagon-blood glucose falls
fatty acids are oxidized for fuel
lipolysis is active
gluconeogenesis is suppressed
______ is secreted during the postabsorptive state?
gastrin
insulin
CCK
growth hormone
secretin
_____ does not raise total metabolic rate (TMR)
starvation
anxiety
fever
eating a big meal
pregnancy
The basal metabolic rate should be measured when a person?
is sleeping
first rises in the morning
has just eaten a meal no more than 200kcal
is in the absorptive state
is engaged in normal physical activity but not strenuous exercises
Fats should account for about_____ percent of the daily caloric intake?
5
10
30
50
60
Glycogenesis is stimulated by _____ and the glycogenolysis is stimulated by ________?
insulin, glucagon and epinephrine
insulin, aldosterone
GH, glucagon and epinephrine
GH, cortisol
GH, insulin
Only approximately _____ % of the energy in the glucose molecule winds up in ATP, the rest is lost as body heat?
20
40
98
80
During periods of fasting, fat is said to have a protein-sparing effect because the body?
oxidizes its spare protein before it depletes its fat reserves
metabolizes fats and proteins through the same metabolic pathways
must have an adequate fat intake in order to absorb and metabolize proteins
must have an adequate protein intake in order to absorb and metabolize fats
does not oxidize its protein unless it has consumed its fat reserve first
glucose in excess of the body's immediate needs is usually converted to protein
both glycogenesis and gluconeogenesis are examples of catabolism
the absorpitive state is regulated by insulin, whereas the postabsorptive state is regulated by multiple hormones?
NE stimulates cravings for carbs whereas endorphins stimulate cravings for proteins
aerobic respiration is more efficient than anaerobic fermentation, but the latter is oxygen independent
most body fat in overweight people is stored in the integumentary system
consumption of excess calories during adulthood causes adipocytes to multiple
the most abundant nitrogenous waste in blood is urea, which is produced by the combination of ammonia with carbon dioxide
the absorptive state lasts about 15 minutes after a meal
mental state does not affect metabolic rate
when a person is active, most of the body heat is generated in the brain, heart, and endocrine glands
heat promoting center is located in the hypothalamus, which triggers shivering
hypothermia may be fatal if the core body temperature reaches 37 or lower