Question 1
Question
_____ are short term regulators of appetite, whereas ______ is a long-term regulator
Answer
-
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)
Question 2
Question
______ yield about 4 kcal/g when completely oxidized, whereas ______ yield about 9 kcal/g?
Answer
-
proteins and carbohydrates, fats
-
proteins, fats and carbohydrates
-
fats, carbohydrates and proteins
-
carbohydrates, fats and proteins
-
carbohydrates and fats, proteins
Question 3
Question
Most carbohydrates in the body are found:
Answer
-
adipose tissue
-
muscular tissue
-
blood
-
liver
-
pancrease
Question 4
Question
Carbohydrates function as structural components of other molecules including all of the following except:
Answer
-
glycolipids
-
glycoproteins
-
nucleic acids
-
amino acids
-
ATP
Question 5
Question
Lipid functions include all of the following except:
Answer
-
plasma mebrane structure
-
forming myelin around nerve fibers
-
chemical structure of hormones
-
cushioning around soft organs
-
forming skeletal muscle fibers
Question 6
Question
_____ constitutes the so-called " bad cholesterol"?
Question 7
Answer
-
liver
-
diet
-
pancreas
-
small intestine
-
GB
Question 8
Question
Proteins are associated with all these functions except:
Answer
-
muscle contraction
-
transport of blood lipids
-
blood viscosity and osmolarity
-
enzymatic reactions
-
serving as cofactors for enzymes
Question 9
Question
Most protein in the body is found in:
Answer
-
skeletal system
-
muscular system
-
cardiovascular
-
integumentary
-
lmyphatic
Question 10
Question
Which of the following would you expect to be in a state of negative nitrogen balance:
Question 11
Question
High-quality ______ proteins are those that provide all the essential amino acids
Answer
-
globular
-
fibrous
-
net
-
incomplete
-
complete
Question 12
Question
Vitamin____deficiency is the most common worldwide.
Question 13
Question
Mineral are _____ , whereas vitamins are ______?
Answer
-
micronutrients, macronutrients
-
water soluble elements, lipid-soluble compounds
-
inorganic elements, organic compounds
-
inessential nutrients, essential nutrients
-
incomplete nutrients, complete nutrients
Question 14
Question
_____ is a product of glycolysis
Answer
-
glucose
-
carbon dioxide
-
lactic acid
-
pyruvic acid
-
acetyl CoA
Question 15
Question
Which of these processes is essential for all of the rest to happen?
Question 16
Question
The synthesis of glucose from amino acids belongs to a metabolic process called?
Answer
-
glycogenesis
-
glycogenolysis
-
glycolysis
-
gluconeogenesis
-
glycogen catabolism
Question 17
Question
______ is a product of aerobic respiration:
Answer
-
carbon dioxide
-
pyruvic acid
-
lactic acid
-
oxygen
-
glucose
Question 18
Question
Most of the NADH contributing energy to ATP synthesis is produced by:
Question 19
Question
Glycolysis and aerobic respiration collectively produce up to _____ ATP per glucose, whereas anaerobic fermentation produces______.
Answer
-
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
Question 20
Question
Which of the following compounds yields the most ATP per molecule?
Answer
-
glucose
-
pyruvic acid
-
acetyl coA
-
lactic acid
-
glycogen
Question 21
Question
The inner membrane of a mitochondrion contains the protein ____, which harnesses the energy created by H+ flow to produce ATP by a process called _____:
Answer
-
enzyme complex, reduction
-
ATP synthase, oxidation
-
enzyme complex, proton pumping
-
ATP synthase, the chemiosmotic mechanism
-
cytochrome c, reduction
Question 22
Question
Most of the body's fat is stored as?
Answer
-
LDL
-
HDL
-
cholesterol
-
triglyceride
-
fatty acids
Question 23
Question
Fatty acids are catabolized by a process called:
Answer
-
beta oxidation
-
ketogensis
-
lipgenesis
-
lipolysis
-
the fat sparing effect
Question 24
Question
Incomplete fatty acid oxidation produces _____, which might lead to _____?
Question 25
Question
Oxidation of a typical fatty acid can yield how many ATP?
Question 26
Question
The highest rate of tissue protein turnover happens in the?
Answer
-
intestinal mucosa
-
gastric mucosa
-
hepatic sinusoids
-
splenic sinusoids
-
pancreatic sinusoids
Question 27
Question
The first step in using amino acids as fuel is to ____ them?
Answer
-
digest
-
deaminate
-
transaminate
-
synthesize
-
aminate
Question 28
Question
The liver performs all of the following functions except?
Question 29
Question
What metabolic process produces ammonia?
Question 30
Question
The liver does not?
Answer
-
convert ammonia to urea
-
carry out most beta oxidation
-
produce insulin and glucagon
-
synthesize cholesterol
-
synthesize glucose from fats and amino acids
Question 31
Question
During the postabsorptive state?
Answer
-
the principal regulatory hormone is
-
glucagon-blood glucose falls
-
fatty acids are oxidized for fuel
-
lipolysis is active
-
gluconeogenesis is suppressed
Question 32
Question
______ is secreted during the postabsorptive state?
Answer
-
gastrin
-
insulin
-
CCK
-
growth hormone
-
secretin
Question 33
Question
_____ does not raise total metabolic rate (TMR)
Answer
-
starvation
-
anxiety
-
fever
-
eating a big meal
-
pregnancy
Question 34
Question
The basal metabolic rate should be measured when a person?
Answer
-
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
Question 35
Question
Fats should account for about_____ percent of the daily caloric intake?
Question 36
Question
Glycogenesis is stimulated by _____ and the glycogenolysis is stimulated by ________?
Answer
-
insulin, glucagon and epinephrine
-
insulin, aldosterone
-
GH, glucagon and epinephrine
-
GH, cortisol
-
GH, insulin
Question 37
Question
Only approximately _____ % of the energy in the glucose molecule winds up in ATP, the rest is lost as body heat?
Question 38
Question
During periods of fasting, fat is said to have a protein-sparing effect because the body?
Answer
-
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
Question 39
Question
glucose in excess of the body's immediate needs is usually converted to protein
Question 40
Question
both glycogenesis and gluconeogenesis are examples of catabolism
Question 41
Question
the absorpitive state is regulated by insulin, whereas the postabsorptive state is regulated by multiple hormones?
Question 42
Question
NE stimulates cravings for carbs whereas endorphins stimulate cravings for proteins
Question 43
Question
aerobic respiration is more efficient than anaerobic fermentation, but the latter is oxygen independent
Question 44
Question
most body fat in overweight people is stored in the integumentary system
Question 45
Question
consumption of excess calories during adulthood causes adipocytes to multiple
Question 46
Question
the most abundant nitrogenous waste in blood is urea, which is produced by the combination of ammonia with carbon dioxide
Question 47
Question
the absorptive state lasts about 15 minutes after a meal
Question 48
Question
mental state does not affect metabolic rate
Question 49
Question
when a person is active, most of the body heat is generated in the brain, heart, and endocrine glands
Question 50
Question
heat promoting center is located in the hypothalamus, which triggers shivering
Question 51
Question
when a person is active, most of the body heat is generated in the brain, heart, and endocrine glands
Question 52
Question
hypothermia may be fatal if the core body temperature reaches 37 or lower