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WorksheetsIntro to A&P and Chemistry
Total questions: 30
Worksheet time: 15mins
Which of the following is arranged in correct order from the Simplest to most Complex
molecular, cellular, tissue, organ, system, organism
organism, system, organ, tissue, cellular, molecular
tissue, cellular, molecular, organ, system, organism
organ, organism, molecular, cellular, tissue, system
A person who is standing facing forward with hands at the sides and palms facing forward is in the ________ position.
frontal
prone
supine
anatomical
The abdominopelvic region that is immediately superior to the umbilical region is the
right inguinal region.
epigastric region.
left hypochondriac region.
hypogastric region.
Visceral pericardium is located
on the lung itself.
on the heart itself.
lining the pleural cavity.
lining the pericardial cavity.
Which plane divides the body into right and left parts?
sagittal
transverse
frontal
proximal
The common name for the pollex is the
hand
thumb
big toe
belly
If a response increases a disturbance, the control system is classified as a ________ feedback
positive
negative
netural
passive
The chin is ________ to the nose.
medial
inferior
superior
anterior
Skin, hair, and nails are associated with the ________ system.
skeletal
muscular
integumentary
endocrine
The tendency for physiological systems to stabilize internal conditions is called
self-regulation.
homeostasis.
hemopoiesis.
amplification.
Radioisotopes have unstable
nuclei.
ions.
protons.
electron cloud.
Which element commonly has only a proton as its nucleus?
hydrogen
oxygen
helium
carbon
When atoms complete their outer electron shell by sharing electrons, they form
covalent bonds.
ionic bonds.
hydrogen bonds.
anions.
The three familiar states of matter are solids, liquids, and
gases
crystals
globules
fibroids
The reaction A + B + energy → AB is an example of a(n) ________ reaction
endergonic
exergonic
equilibrium
decomposition
The chemical behavior of an atom is determined by the
outermost electron shell.
size of the atom.
mass of the nucleus.
number of neutrons.
In a molecule of nitrogen, three pairs of electrons are shared by two nitrogen atoms. The type of bond that is formed is an example of a ________ bond.
triple covalent
polar covalent
double divalent
hydrogen
Kinetic energy is stored as ________ energy when a spring is stretched or compressed.
potential
possible
probable
plausible
Chemical reactions that occur in the body are accelerated by
vitamins
enzymes
hormones
electrons
Which of the following has the highest concentration of hydroxide ions?
pH 14
pH 1
pH 10
pH 7
A fatty acid that contains two or more double covalent bonds is said to be
polyunsaturated.
hydrogenated.
monounsaturated.
saturated.
Identify the product formed from the phosphorylation of ADP.
adenosine triphosphate
adenosine diphosphate
adenine
deoxyribonucleic acid
Hydrophilic molecules readily associate with
lipid molecules.
hydrophobic molecules.
water molecules.
acids.
In the body, inorganic compounds
can serve as buffers.
can make up proteins.
are structural components of cells.
are made from organic compounds.
Which of the following are functions of proteins?
support
defense
metabolic regulation
All of these are functions of proteins.
buffering
Molecules with two fatty acid chains and a phosphate group that form biological membranes are called
phospholipids.
prostaglandins.
dipeptides.
disaccharides.
Each amino acid differs from another in the
nature of the side chain.
number of peptide bonds in the molecule.
number of carboxyl groups.
size of the amino group.
Identify the correct statement regarding the process of denaturation.
It is the loss of protein structure.
It is unaffected by changes in pH.
It is affected by low temperatures.
It results in decreased substrate availability.
A nucleotide consists of a
five-carbon sugar and an amino acid.
five-carbon sugar, a nitrogenous base, and a phosphate group.
five-carbon sugar and a nitrogenous base.
five-carbon sugar and phosphate group.
The structure of RNA differs from DNA in that
the backbone of RNA contains ribose.
RNA contains pyrimidines but not purines.
RNA contains purines but not pyrimidines.
DNA contains pyrimidines but not purines.
