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WorksheetsAnaPhy Review exam
Total questions: 50
Worksheet time: 25mins
Choose the correct order for these organizational levels, from simplest to most complex.
1,2,3,6,4,5
2,1,6,3,4,5
3,1,6,4,5,2
4,6,1,3,5,2
The characteristic of life that is defined as "all the chemical reactions taking place in an organism" is
metabolism.
responsiveness.
development.
growth.
organization.
Choose the arrangement that lists the events in the order they occur.
Blood pressure increases.
The control center compares actual blood pressure to the blood pressure set point.
The heart beats faster.
Receptors detect a decrease in blood pressure.
Which of these statements concerning positive feedback is correct?
Positive-feedback responses maintain homeostasis.
Positive-feedback responses occur continuously in healthy individuals.
Birth is an example of a normally occurring positive-feedback mechanism.
A term that means nearer the attached end of a limb is
distal
proximal
lateral
medial
Which of these directional terms are paired most appropriately as
opposites?
distal and lateral
superficial and deep
anterior and inferior
superior and posterior
The part of the upper limb between the elbow and the wrist is
called the
forearm
arm
brachial
hand
A patient with appendicitis usually has pain in the
quadrant of the abdomen.
right lower
left lower
right upper
left upper
A plane that divides the body into anterior and posterior parts is a
sagittal
frontal
transverse
The lungs are
surrounded by the pericardial cavity.
found within the thoracic cavity
surrounded by mucous membranes.
part of the mediastinum.
Given the following organ and cavity combinations:
(1) heart and pericardial cavity
(2) lungs and pleural cavity
(3) stomach and peritoneal cavity
(4) kidney and peritoneal cavity
Which of the organs is correctly paired with a space that surrounds
that organ?
1,2
2,3,4
1,2,3
1,2,4
Which of the following membrane combinations are found on the
superior and inferior surface of the diaphragm?
visceral pleura—visceral peritoneum
parietal pleura—parietal peritoneum
parietal pleura—visceral peritoneum
visceral pleura—parietal peritoneum
Which of the following organs are not retroperitoneal?
liver
stomach
pancreas
kidney
The smallest particle of an element that still has the chemical charac-
teristics of that element is a(n)
atom
molecule
proton
electron
12C and 14C are
compounds
atoms of different elements
isotopes
hydrogen bonds
A cation is a(n)
positively charged atom.
negatively charged ion
atom that has gained an electron.
uncharged atom.
A polar covalent bond between two atoms occurs when
a hydrogen atom is shared between two different atoms.
atoms attract electrons equally.
one atom attracts shared electrons more strongly than another atom
atoms attract electrons equally.
Table salt (NaCl) is
organic
a compound.
a cation
an atom
The weak attractive force between two water molecules forms a(n)
hydrogen bond.
covalent bond
ionic bond
isotope
Electrolytes are
cations and anions that dissociate in water
covalent compounds
substances that usually don’t dissolve in water
found in solutions that do not conduct electricity
In a decomposition reaction
anabolism occurs.
large molecules are broken down to form small molecules.
a dehydration reaction may occur
all of the above
Oxidation-reduction reactions
have one reactant gaining electrons.
can be synthesis or decomposition reactions.
can create ionic or covalent bonds.
all of the above
Potential energy
can never be converted to kinetic energy.
is the form of energy that is actually doing work.
is energy caused by movement of an object.
includes energy within chemical bonds.
Which of these descriptions of heat energy is not correct?
is the form of energy that is actually doing work.
is energy caused by movement of an object.
Heat energy must be added to break apart ATP molecules.
Heat energy is always transferred from a hotter object to a cooler object.
Which of these statements concerning enzymes is correct?
Enzymes are proteins that function as catalysts.
Enzymes increase the kinetic energy of the reactants.
Enzymes increase the activation energy requirement for a reaction
to occur.
Enzymes increase the rate of reactions but are permanently
changed as a result.
Water
is composed of two oxygen atoms and one hydrogen atom.
has a low specific heat.
is composed of polar molecules into which ionic substances
dissociate.
is a very small organic molecule.
When sugar is dissolved in water, the water is called the
solvent.
solute
solution
Which of these is an example of a suspension?
red blood cells in plasma
sweat
water and proteins inside cells
sugar dissolved in water
A solution with a pH of 5 is and contains
H 5 than (as) a neutral solution.
an acid, more
a base, more
a base, fewer
an acid, fewer
A buffer
works by forming salts.
slows down chemical reactions.
speeds up chemical reactions.
maintains a relatively constant pH.
A conjugate acid-base pair
can release H+ to combine with OH−
acts as a buffer.
describes carbonic acid (H2CO3) and bicarbonate ions (HCO3−).
All of these are correct.
The polysaccharide used for energy storage in the human body is
sucrose
lactose
glycogen.
maltose
The basic units or building blocks of triglycerides are
disaccharide
glycerol and fatty acids.
amino acids
monosaccharide
A ______fatty acid has one double covalent bond between
carbon atoms.
polyunsaturated
monounsaturated
cholesterol
saturated
The _________ structure of a protein results from the folding of
the pleated sheets or helices.
primary
secondary
tertiary
all of the above
According to the lock-and-key model of enzyme action
reactants must bind to an active site on the enzyme
reactants must first be heated
enzymes control only a small number of reactions in the cell.
enzyme shape is not important.
DNA molecules
are of three different types that have roles in protein synthesis.
contain genes.
contain the nucleotide uracil.
contain up to 100 nitrogenous bases
ATP
is formed by the addition of a phosphate group to ADP.
is formed with energy released during catabolic reactions.
contains three phosphate groups.
All of these are correct.
In the plasma membrane, ________ form(s) the lipid bilayer,
_________ determine(s) the fluid nature of the membrane, and ________
mainly determine(s) the function of the membrane
phospholipids, cholesterol, proteins
proteins, cholesterol, phospholipids
cholesterol, proteins, phospholipids
phospholipids, proteins, cholesterol
Which of the following functioning proteins are found in the plasma
membrane?
receptor molecules
channel proteins
marker molecules
all of the above
In general, lipid-soluble molecules diffuse through the ___________ ;
small, water-soluble molecules diffuse through the ____________.
carrier proteins, membrane channels
membrane channels, membrane channels
lipid bilayer, carrier proteins
membrane channels, lipid bilayer
Small pieces of matter, and even whole cells, can be transported across
the plasma membrane in
marker molecules.
carrier molecules
membrane channels
vesicles
The rate of diffusion increases if the
viscosity of a solution decreases
viscosity of a solution decreases
concentration gradient decreases
All of these are correct.
Concerning the process of diffusion, at equilibrium
the concentration of solute is equal throughout the solution
the net movement of solutes stops.
there is an equal movement of solute in opposite directions
All of these are correct
If a cell is placed in a(n) __________ solution, lysis of the cell
may occur.
hypertonic
hypotonic
isotonic
all of the above
Suppose that a woman runs a long-distance race in the summer. During
the race, she loses a large amount of hyposmotic sweat. You would
expect her cells to
shrink
swell
stay the same
Which of these statements about facilitated diffusion is true?
In facilitated diffusion, net movement is down the concentration
gradient.
Facilitated diffusion does not require a carrier protein.
Facilitated diffusion moves materials in vesicles.
Facilitated diffusion moves materials through membrane channels.
Which of these statements concerning the symport of glucose into
cells is true?
The concentration of Na+ outside cells is less than inside cells.
The concentration of glucose can be greater inside cells than
outside cells.
The concentration of Na+ outside cells is less than inside cells.
The sodium-potassium exchange pump moves Na+ into cells.
A white blood cell ingests solid particles by forming vesicles. This
describes the process of
secondary active transport.
pinocytosis.
phagocytosis.
facilitated diffusion.
Given these characteristics:
(1) requires energy
(2) requires carrier proteins
(3) requires membrane channels
(4) requires vesicles
Choose the characteristics that apply to exocytosis.
1,4
1,2,3,4
1,3,4
1,2,3
