WorksheetsMetabolism
Total questions: 41
Worksheet time: 24mins
Nutrition is defined as food____, and____ that are ingested and assimilated into the body
Proteins
Carbohydrates
Vitamins
Minerals
Metabolism includes two processes
digestion
anabolism
resorption
catabolism
All chemical reactions involved in maintaining the living state of cells and organisms is defined as
Metabolism
Nutrition
Anabolism
Digestion
Process of using nutrient molecules as energy sources and building blocks for our own molecules is
Catabolism
Anabolism
Metabolism
Body Temperature
The breakdown of complex compounds into simpler compounds is
Anabolism
Catabolism
Glycolysis
Anaerobic
The most common energy sources are
ATP
Oxygen
Glucose
Fatty Acids
Two stages of glucose catabolism
ATP
Anaerobic
Aerobic
BMR
Check off Anaerobic phase components
does not require oxygen
Produces ATP and pyruvic acid
occurs in mitochondria of the cell
occurs in cytoplasm of the cell
Aerobic phase components
Metabolizes pyruvic acid
requires oxygen
Contains water, Co2 and releases small amounts as heat
Aerobic occurs in ____ of the cell?
Cytoplasm
Nucleoplasm
Mitochondria
Nucleus
How many ATP per molecule of glucose in the Aerobic phase
2
12
16
32
How many ATP per molecule of glucose in the ANAerobic phase
12
16
32
2
Reactants in Anaerobic metabolism
Pyruvic acid
CO2
Glucose
Water
Products of Aerobic metabolism
CO2
Glucose
Pyruvic Acid
Water
Reactants of Aerobic metabolism
CO2
Glucose
Pyruvic acid
water
Which of the following are false about fatty acids
Produces ATP, water and carbon dioxide
Occurs in the liver
combines with CO2
Oxidized to generate energy only through aerobic mechanisms
Rate ate which cellular respiration coverts nutrients into ATP is
metabolism
metabolic rate
basal metabolism
BMR
Metabolic rate is not affected by
Diet and activity level
Hormones
size and % of body fat
age/gender
Race
Metabolic rates are high in children and adolescents true or false
true
false
What is defined as the amount of energy that you expend each day just to stay alive and is measured in kilocalories (kcal)
ATP
Metabolic rate
Basal Metabolism
BMR
What is defined as the amount of energy needed to maintain life functions while the body is at rest
Metabolism
Kilocalorie
Basal Metabolism
Metabolic rate
Which nutrient is not used as reservouir in the body
Proteins
Carbohydrates
Fats
Glucose
we lose 15-20% of heat through the
respiratory system
skin
urine
feces
____ in the dermis bring blood to the surface so heat can be dissipated to the outside
blood cells
blood vessels
lymphocytes
neurons
Amount of heat produced depends on
weight
exercise
food intake
age
hormone production
____% of heat is lost through the skin
50
10
80
25
Heat transfer promoted by movement of a cooler contacting medium (fan)
Evaporation
Convection
Radiation
Conduction
Heat travels from its source as heat waves or rays. Does not require contact between source and receiver
Convection
Evaporation
Conduction
Radiation
Loss of heat through the evaporation of water
Convection
Radiation
Conduction
Evaporation
Warm objects transfers heat to a cooler object (skin and ice pack)
Evaporation
Convection
Conduction
Radiation
Children lose heat faster than adults true or false?
True
False
heat loss is affected by ___ of tissue compared to the amount of skin surface
weight
volume
depth
width
What two prevent heat loss?
Heat sources
Clothing
Layers of fat
Circulatory system
___ regulates body temperature by maintaining a balances between heat production and heat loss
hypothalamus
neuron
cytoplasm
medulla
too much heat loss results in which of the two?
dilation of blood vessels
constriction of blood vessels
sweating
shivering
too much heat loss results in?
dilation of blood vessels
constriction of blood vessels
sweating
shivering
benefits of fever include:
increase metabolism
promote homeostasis
inhibits growth of organisms
promote phagocytosis
A sudden drop in temperature that is evidenced by rapid heat loss, profuse sweating, muscular relaxation and dilation of blood vessels
Febrile
Lysis
Crisis
Pyrogens
Gradual drop in temperature
Crisis
Lysis
Pyrogens
Antipyretic drugs
Have/showing signs of a fever
Pyrogens
Crisis
Febrile
Lysis
___ are substances that produce fever. ___ drugs that reduce fever
Febrile, lysis
Antipyretic, pyretic
Crisis, pyrogens
Pyrogens, antipyretic
