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Chapter 26

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2 Anatomy Part 2 (Exam 4) Quiz on Chapter 26, created by Avi Chudasama on 15/12/2015.
Avi Chudasama
Quiz by Avi Chudasama, updated more than 1 year ago
Avi Chudasama
Created by Avi Chudasama over 8 years ago
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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"?
Answer
  • triglycerides
  • chylomicrons
  • low-density lipoproteins
  • high-density lipoproteins
  • very-low density lipoproteins

Question 7

Question
HDL comes from:
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:
Answer
  • growing kids
  • preggers
  • weightlifters
  • patients with muscle atrophy
  • bodybuilders

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.
Answer
  • A
  • B
  • C
  • D
  • E

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?
Answer
  • glycolysis
  • citric acid cycle (Krebs)
  • lactic acid reduction
  • electron-transport chain
  • anaerobic fermentation

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:
Answer
  • glycolysis
  • citric acid cycle
  • mitochondrial proton pumps
  • anaerobic fermentation
  • electron transfer from FADH2

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 _____?
Answer
  • triglycerides, new triglycerids
  • ketone bodies, acidosis
  • pyruvic acid, acidosis
  • glycerol, alkalosis
  • acetyl CoA, acidosis

Question 25

Question
Oxidation of a typical fatty acid can yield how many ATP?
Answer
  • 2
  • 18
  • 36
  • 38
  • 129

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?
Answer
  • glycogenesis
  • detoxification
  • phagocytosis
  • secretion of digestive enzymes
  • synthesis of plasma proteins

Question 29

Question
What metabolic process produces ammonia?
Answer
  • beta oxidation of alpha-ketoglutaric acid
  • lipolysis
  • transamination of urea
  • amination of keto acids
  • deamination of glutamic acid

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?
Answer
  • 5
  • 10
  • 30
  • 50
  • 60

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?
Answer
  • 10
  • 20
  • 40
  • 98
  • 80

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
Answer
  • True
  • False

Question 40

Question
both glycogenesis and gluconeogenesis are examples of catabolism
Answer
  • True
  • False

Question 41

Question
the absorpitive state is regulated by insulin, whereas the postabsorptive state is regulated by multiple hormones?
Answer
  • True
  • False

Question 42

Question
NE stimulates cravings for carbs whereas endorphins stimulate cravings for proteins
Answer
  • True
  • False

Question 43

Question
aerobic respiration is more efficient than anaerobic fermentation, but the latter is oxygen independent
Answer
  • True
  • False

Question 44

Question
most body fat in overweight people is stored in the integumentary system
Answer
  • True
  • False

Question 45

Question
consumption of excess calories during adulthood causes adipocytes to multiple
Answer
  • True
  • False

Question 46

Question
the most abundant nitrogenous waste in blood is urea, which is produced by the combination of ammonia with carbon dioxide
Answer
  • True
  • False

Question 47

Question
the absorptive state lasts about 15 minutes after a meal
Answer
  • True
  • False

Question 48

Question
mental state does not affect metabolic rate
Answer
  • True
  • False

Question 49

Question
when a person is active, most of the body heat is generated in the brain, heart, and endocrine glands
Answer
  • True
  • False

Question 50

Question
heat promoting center is located in the hypothalamus, which triggers shivering
Answer
  • True
  • False

Question 51

Question
when a person is active, most of the body heat is generated in the brain, heart, and endocrine glands
Answer
  • True
  • False

Question 52

Question
hypothermia may be fatal if the core body temperature reaches 37 or lower
Answer
  • True
  • False
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