Which of the following is NOT a part of the study of anatomy?
Microscopic organization
The structure of body parts
Predicting the body's responses to stimuli
The relationship between structure and function
The study of the processes and functions of living things is
Histology
Physiology
Imaging
Anatomy
A group of similar cells and the surrounding materials that work together to perform a specific function are
Organelles
Tissues
Molecules
Organs
List the levels of organization of the body from simple to complex. 1. organ system 2. chemical 3. organism 4.tissue 5. organ 6.cell
1,2,3,4,5,6
2,4,6,1,3,5
6,2,1,5,3,4
2,6,4,5,1,3
Which of the following is NOT true of a negative-feedback mechanism?
The change from the set point is made smaller
Most control mechanisms in the body are of this type
The deviation from normal is made larger
Blood pressure maintenance is an example of negative-feedback
Which of the following is an example of positive-feedback?
Heart rate regulation
Birth of a baby
Blood pressure regulation
Temperature regulation
Which body system produces blood cells?
Lymphatic
Skeletal
Muscular
Cardiovascular
Which body system and it's organs are INCORRECTLY matched?
Reproductive- ovaries, testes, urterus
Endocrine- mouth, lungs, pituitary
Digestive- mouth, stomach, intestines
Lymphatic - thymus, vessels, nodes
Which of the following is NOT true of anatomical position?
Arms at sides
Palms of the hands facing medially
Face forward
Standing erect
The ears are _________ to the nose.
Proximal
Medial
Lateral
Ventral
The hand is _______ to the elbow.
Anterior
Distal
Superficial
The kidneys are __________ to the intestines.
Dorsal
Posterior
Both dorsal and posterior are correct
The knee is ________ to the foot.
The plane that separates a body structure to give right and left parts is a
Frontal plane
Horizontal plane
Sagittal plane
Coronal plane
Which plane divides the body or part into anterior and posterior parts?
Median Plane
Sagittal Plane
Frontal Plane
Transverse Plane
Which plane would be used to give equal right and left halves.
Transverse plane
Median plane
Which of the following is NOT a trunk cavity?
Thoracic
Nasal
Abdominal
Pelvic
Which of the following is NOT found in the thoracic cavity?
Lungs
Urinary bladder
Thymus
Trachea
What separates the thoracic cavity from the abdominal cavity?
The rib cage
The diaphragm
The mediastinum
The abdominal muscles
Which of the following is NOT found in the abdominal cavity?
Stomach
Liver
Urinary Bladder
Pancreas
Which membrane covers the lungs?
Parietal pleura
Parietal pericardium
Visceral pleura
Visceral peritoneum
Which membrane lines the abdominal cavity wall?
Visceral pericardium
Parietal peritoneum
What is the purpose of serous fluid?
Moisturize the mouth
Reduce friction between organs
Protect the brain
All of the above are correct
Inflammation of the membrane of the heart is
peritonitis
pericarditis
pleurisy
pleuritis
Which of the following is NOT an example of matter?
water
air
heat
A brick
Which of the following particles is NOT found in the nucleus of an atom?
Neutron
Electron
Proton
All of the choices are found in the nucleus of an atom
Which subatomic particle is positively charged?
Protons and electrons
By definition, the atomic number is equal to the number of ______ an atom has.
Neutrons
Positrons
Electrons
Protons
Which of the following is NOT true about isotopes?
Isotopes are two or more forms of the same element
Isotopes have different atomic numbers
Isotopes have different mass numbers
Some isotopes are radioactive
A particle formed from the gain of electrons is called a(an)
Cation
Anion
Isotope
Molecule
An ionic bond is formed by the
Sharing of electrons between two atoms
Gain of electrons from two atoms
Loss of electrons from two atoms
Attraction between cations and anions
When electron pairs are unequally shared between two atoms, what type of bond is formed?
Hydrogen bond
Polar covalent bond
Nonpolar covalent bond
Ionic bond
Two or more different atoms that are chemically combined form a(an)
Mixture
Compound
Ion
What type of reaction occurs when water is added to break down a large reactant into smaller products?
Reversible
Synthesis
Dehydration
Hydrolysis
A substance that will accept a proton is a(an)
Catalyst
Salt
Acid
Base
As the hydrogen ion concentration increases, the pH
Increases
Decreases
Remains the same
What is the normal pH range for human blood?
7.0
4.0 to 7.0
7.35 to 7.45
6.8 to 8.0
What is the function of oxygen in living cells?
To transport nutrients in the blood
A medium for chemical reactions
To maintain the pH of the blood
To take energy from the food we eat to make ATP
The building blocks of proteins are
Fatty acids
Linolenic acids
Amino acids
Nucleic acids
The folding or bending of the polypeptide chain into an alpha-helix or beta-pleated sheet held by hydrogen bonds is the ______ structure of a protein.
Primary
Secondary
Tertiary
Quaternary
Which of the following is NOT true about DNA?
Is a double helix
Has the bases adenine, guanine, uracil and thymine
Two bases join to form the "rungs" of the double helix
Has the sugar deoxyribose
The sequence of organic bases in DNA that codes for a protein is call a(an)
Gene
Enzyme
Polypeptide
Dipeptide
Anything that occupies space and has mass is called
Matter
Atomic
Weight
Volume
The simplest type of matter with unique physical and chemical properties is a(an)?
Element
Which subatomic particle is negatively charged?
An atom that has more protons than electrons is call a(an)?
In a covalent bond, electrons are
Gained from two atoms
Transferred between two atoms
Lost from two atoms
Shared between two atoms
Compounds that have the ability to conducts an electric current in solution are called
Electrolytes
nonelectrolytes
Isotopes
What type of reactions occurs when water is removed to add reactants together?
Decomposition
Which of the following is NOT a structural component of the nucleus:
nucleolus
Golgi apparatus
chromatin
Which of the following is NOT considered a cytoplasmic organelle:
mitochondria
cytoplasm
rough endoplasmic reticulum
Ribosomes are found:
in the cytoplasm
in the cytoplasm and on the rough endoplasmic reticulum
on the rough endoplasmic reticulum
on smooth endoplasmic reticulum
The movement of molecules through the cell membrane from a high concentrated area to a lower concentrated area is called:
filtration
diffusion
osmosis
active transport
Osmosis transports water across membranes using:
vesicles
ATP
solute pumping
aquaporins
What assists the movement of substances by facilitated diffusion:
lysosomes
protein carrier or channel
Which of the following can move molecules from an area of lower concentration to an area of higher concentration:
simple diffusion
facilitated diffusion
Two types of endocytosis are:
pinocytosis and passive transport
active transport and phagocytosis
phagocytosis and pinocytosis
cellular secretion and solute pumping
A solution that contains fewer solutes than the cell is:
hypotonic
hypertonic
isotonic
A cell would plump with water and possibly lyse in which of the following solutions:
The molecule that carries an amino acid to the ribosome for incorporation into a protein is:
messenger RNA (mRNA)
ribosomal RNA (rRNA)
transfer RNA (tRNA)
The correct order of phases of the mitosis is:
prophase, interphase, metaphase, anaphase, telophase
prophase, anaphase, telophase, metaphase
metaphase, anaphase, prophase, telophase
prophase, metaphase, anaphase, telophase
The process of transcription:
produces ATP from glucose and oxygen
transfers information from DNA into mRNA
occurs in the cytoplasm of one cell
creates proteins from mRNA
Sequences of three bases found in messenger RNA (mRNA) are called:
amino acids
codons
anticodons
The molecule that contains an anticodon is:
Which of the following does NOT represent a segment of DNA:
TGCGTT
AUGUCA
CTGTGG
ATGCTA
DNA replication takes place during:
prophase
metaphase
anaphase
interphase
What are the correct base-pairing rules for DNA:
adenine bonds to thymine and guanine bonds to cytosine
adenine bonds to guanine and thymine bonds to cytosine
adenine bonds to cytosine and thymine bonds to guanine
adenine bonds to uracil and guanine bonds to cytosine
If the sequence of nitrogenous bases in one strand of DNA is CTA-CGA, the sequence of bases on its complementary DNA strand would be:
CAT-CGT
GAT-GCT
CAU-CGU
GAU-GCU
A study of the function of the body and body parts is called:
anatomy
physiology
homeostasis
negative feedback
Which of the following activities does NOT represent an anatomical study:
observing the parts of a reproducing cell
examining the surface of a bone
viewing muscle tissue through a microscope
studying how the nerves conduct electrical impulses
Which of the following is the correct sequence, going from simplest to most complex, in the levels of structural organization of the human body:
chemical level, cellular level, tissue level, organ level, organ system level, organismal level
chemical level, tissue level, cellular level, organ system level, organismal level
cellular level, chemical level, tissue level, organ level, organ system level, organismal level
cellular level, tissue level, chemical level, organ level, organ system level, organismal level
The bulding blocks of ALL matter are known as:
organs
atoms
cells
tissues
Hematopoiesis, or blood cell formation, is a function of the:
skeletal system
muscular system
nervous system
respiratory system
The main function of the respiratory system is:
produce sperm and eggs
supply the body with oxygen and remove carbon dioxide
transport oxygen, nutrients, and wastes to and from body cells and tissues
control body activities through hormones released into the blood
The system that controls and coordinates the body through hormones is the:
integumentary system
endocrine system
The muscular system consists of the:
skeletal muscles
muscles of the heart
muscles in the walls of hollow organs
skeletal muscles and the muscles of the heart
Which two organ systems include the pancreas?
digestive and respiratory systems
urinary and respiratory systems
digestive and endocrine systems
reproductive and endocrine
Which system covers the external surface of the body and protects deeper tissues:
lymphatic system
What is the major function of the urinary system:
produce offspring
eliminate nitrogen-containing metabolic wastes from the body
return leaked fluids back to the cardiovascular system
break down food into absorbable units
Which of the following is the correct order of elements in a control system:
stimulus, receptor, efferent pathway, control center, afferent pathway, effector, response
receptor, stimulus, efferent pathway, control center, afferent pathway, effector, response
effector, stimulus, efferent pathway, control center, afferent pathway, receptor, response
stimulus, receptor, afferent pathway, control center, efferent pathway, effector response
Which of the following elements of a control system interprets a change:
control center
simulus
effector
receptor
Which of the following orientation and directional terms have the same meaning (in humans):
superior and caudal
inferior and cranial
anterior and dorsal
anterior and ventral
Mandy pulled a muscle in the femoral region. Where is this region:
groin
buttock
leg
thigh
In describing the relationship between the patellar and popliteal regions:
the patellar region is superior to the popliteal region
the patellar region is proximal to the popliteal region
the patellar region is distal to the popliteal region
the patellar region is anterior to the popliteal region
The gallbladder and appendix are situated in the __________ body cavity.
dorsal
spinal
thoracic
abdominopelvic
Which of these body regions is located on the anterior side of the body:
lumbar
gluteal
popliteal
sternal
The region that refers to the fingers and toes is the:
carpal region
digital region
antebrachial region
brachial region
The dorsal body cavity houses the:
urinary and reproductive organs
heart and lungs
digestive and reproductive organs
spinal cord and brain
Which of these regions are associated with the parts of the arm:
femoral, popliteal, patellar
brachial, antecubital, carpal
nasal, oral, occipital
acromial, sacral, gluteal
Which of these regions is NOT associated with the ventral (anterior) portion of the head:
oral
occipital
buccal
orbital
Which type of section could be used to separate the thoracic cavity from the spinal cavity:
sagittal
oblique
coronal
transverse
Which set of regions in the abdominopelvic cavity is medial:
umbilical, right lumbar, and left lumbar regions
epigastric, umbilical, and hypogastric regions
iliac (inguinal), lumbar, and hypogastric regions
epigastric, right, and left hypochondriac regions
The ribs are located in the:
right and left iliac regions
right and left lumbar regions
right and left pubic regions
right and left hypochondriac regions
Which of the following statements is correct regarding the location of the stomach:
the stomach is located in the left upper quadrant
the stomach is located in the right upper quadrant
the stomach is located medially
the stomach is located in the left lower quadrant
An atom with 11 protons, 12 neutrons, and 12 electrons is a(n):
molecule
anion
cation
isotope
Which of the following is classified as an inorganic compound:
glucose
triglyceride
protein
An atom with an atomic number of 14 will have __________ electrons in its valence shell.
2
4
8
10
An atom with 6 protons, 7 neutrons, and 6 electrons shares four pairs of electrons with four other atoms. This atom is now considered to be:
stable
an anion
a cation
an ion
If an atom has 10 protons, 8 neutrons, and 10 electrons. Which of the following is true?
Needs to gain an electron
The atom is electrically neutral
The atom is inert
The atom is stable
Isotopes have different numbers of _________; thus they also have different__________.
protons; atomic numbers
neutrons; atomic masses
neutrons; atomic numbers
protons; atomic masses
An atom that has lost two electrons is called a(n):
radioisotope
The subatomic particles that are responsible for chemical bonds of atoms are the:
isotopes
protons
neutrons
electrons
When a pair of electrons is shared equally between two atoms, the bond formed is called a(n):
ionic bond
hydrogen bond
nonpolar covalent bond
polar covalent bond
The reaction sucrose + water ----> glucose + fructose is an example of a(n):
synthesis reaction
decomposition reaction
neutralization reaction
double replacement reaction
Monomers are joined together to form more complex molecules through:
synthesis reactions
exchange reactions
decomposition reactions
hydrolysis reactions
Which of the following solutions is the weakest acid:
a solution with a pH of 2.4
a solution with a pH of 5.2
a solution with a pH of 6.4
a solution with a pH of 8.6
Which of the following DNA base pairs is NOT complementary:
adenine and thymine
guanine and adenine
cytosine and guanine
Which of the following statements about enzymes is true:
they are carbohydrates
they are not reuseable
they are biological catalysts
Which of the following substances below is matched with its correct organic group:
monosaccharides - nucleic acids
DNA - lipids
enzymes - proteins
Which of the following statements about RNA is true:
RNA is found only in the nucleus of the cell
RNA is composed of cytosine, guanine, adenine, and thymine
RNA is single stranded
The nucleotide chains of DNA are held together by:
ionic bonds
hydrogen bonds
nonpolar covalent bonds
____________ are simple sugars containing between 3 and 7 carbon atoms.
Polysaccharides
Proteins
Monosaccharides
Shell 1 of an atom can hold a maximum of ________ electron(s).
The sugar found in DNA is:
ribose
sucrose
deoxyribose
Which of these substances is an enzyme:
oxidase
Which one of the following is NOT true about the plasma membrane:
it contains proteins for specialized functions
it consists of single phospholipid layer
its lipid componenets are primarily phospholipids and cholesterol