WorksheetsAnatomy & Physiology- Chemistry
Total questions: 62
Worksheet time: 1hrs 3mins
As a percentage of body mass, (a) makes up 65%, (b) 18.5%, (c) 9.5% and (d) 3.2%
Colloids/emulsions are homogeneous
T
F
Suspensions are heterogenous
T
F
Complete transfer of electrons
ionic
unequal sharing of electrons
polar covelant
equal sharing of electrons
non-polar covelant
C02
non polar covelant
H20
polar covelant
NaCl
ionic
which of the following least fits the definition of a solute?
Water
calcium
potassium
sodium
dipole molecules are electrically balanced.
T
F
A bond in which electrons are shared unequally (a)
The outermost energy level of an atom is known as its
valence shell
energy shell
orbital model
electron shell
an ___ is the smallest particle of an element that still has the properties of the element
Atom
Molecule
Which of these is NOT an example of a protein?
Glycogen
enzyme
hemoglobin
antibodies
blood proteins
When an acid is added to a buffer it resists a change in pH by releasing Hydrogen ions
F
T
A ___ is the smallest particle of a compound that still has the specific characteristics of the compound
molecule
atom
if a beam of light is passed through a true solution, you will not see the path of light
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F
true solutions are usually (a) due to the number of solutes dissolved in the solution
The smallest particle of a compound that still retains its properties is a
molecule
atom
neutron
proton
(a) are homogeneous mixtures of components that may be gases, liquids, or solids
(a) also called emulsions often appear translucent or milky and although the solute particles are larger than those in true solutions, they still do not settle out
Electrically charged particle from loss of an electron (a)
Ionic bonds form between two atoms when
Ionic bonds form between two atoms when
one atom donates an electron to the other atom
protons are exchanged
neutrons are exchanged
Each element is composed of more or less identical particles or building blocks, called atoms. (a)
Ionizing radiation damages tissue by directly damaging organic molecules.
T
F
That is the most common element in the body
Carbon
Nitrogen
Hydrogen
Oxygen
Which form of energy is the most useful form of energy in living systems? (a)
An atom loses the unique properties of its element when it is split into its subatomic particles.
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F
(a) energy is represented by the flow of charged particles along a conductor or the flow of ions across a membrane
Isotopes are when elements have varying numbers of
Neutrons
electrons
protons
the mass of an electron is usually (a)
Which subatomic particles are equal in atomic mass
Protons and electrons
none
protons and neutrons
electrons and neutrons
energy directly involved in moving matter (a)
(a) are solid at room temperature, have single bonds between carbon atoms, and are derived from animal sources. (b) have one or more double bonds between carbon atoms, and are derived from plant sources.
Disaccharide
Sucrose, Lactose, Maltose
Monosaccharide
Glucose, Fructose, Ribose (Part of RNA), Deoxyribose (Part of DNA)
Polysaccharide
glycogen, starch
A steroid is an example of a (a)
The atomic number is always equal to the (a)
Bonds and broken during which type of reaction
anabolic
synthesis
catabolic
endergonic
Isotopes have the same number of (a) but differ in the number of (b)
An ionic bond is formed between
two cations
a cation and an anion
two anions
two inert atoms
Which of the following is not a function of water
universal solvent
body temperature regulation
source of electrolytes
protection for mechanical damage
Building muscle is an example of what type of reaction: (a)
A steroid is an example of a (a)
Which of the following is not one of the 4 major elements in the human body
hydrogen
calcium
nitrogen
oxygen
A substance that dissociates into hydroxyl ions and cations is
an acid
a base
a salt
an electrolyte
A (a) is an example of an enzyme
Water is the primary solvent in the human body
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F
Solvents are typically solids: (a)
65% of body mass
Oxygen
18.5% of body mass
Carbon
9.5% of body mass
Hydrogen
3.2% of body mass
Nitrogen
Found as a salt in teeth and bones. Muscle contraction and nerve impulses, blood clotting
Calcium
Necessary for conduction of nerve impulses and muscle contraction (+ ion)
Potassium
Present in nucleic acids, and in ATP. In bones, teeth, nucleic acid
Phosphorus
Components of proteins (muscle proteins)
Sulfur
in extracellular fluids (- ion)
chlorine
Major elements: Carbon, Nitrogen, Oxygen, and Hydrogen make up (a) of the human
Component of hemoglobin and some enzymes. carries oxygen & carbon dioxide
iron
important cofactor of metabolic rxns
magnesium
make functional thyroid hormones
iodine
extracellular fluids, important for water balance, muscle contraction, and nerve impulses
sodium
P
Phosphorus
C
Carbon
N
Nitrogen
Ca
Calcium
Mg
Magnesium
K
Potassium
I
Iodine
Fe
Iron
Cl
Chlorine
Na
Sodium
Each element is composed of essentially identical particles or building blocks, called atoms
T
F
S
Sulfur
H
Hydrogen
O
Oxygen
F
Fluorine
Co
Cobalt
This process of atomic decay is called radioactivity, and isotopes that exhibit this behavior are called radioisotypes
T
F
(a) energy is the energy in action, and (b) energy is stored energy
Energy is created then transferred
F
T
Heat has the highest amount of entropy
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F
energy stored in bonds. When bonds break energy is release as ATP
Chemical
movement of charged particles
Electrical
moving matter
Mechanical
light energy
Radiant/electromagnetic
4% of the body elements: select all that apply
Hydrogen
Calcium
Iodine
Iron
Nitrogen
4% of the body elements: select all that apply
Carbon
Magnesium
Chlorine
4% of the body elements: select all that apply
Phosphorous
Oxygen
Potassium
Sulfur
Sodium
Which of the following is true regarding hydrolysis reactions
Water is added and building blocks are released
Monomers are joined together
Covalent bonds unite the monomers
Water molecules are added as the polymer elongates
