Studied by 518 PeopleThe study of the general form and superficial markings of an organism is called ______ anatomy a. Systemic
b. Gross
c. Surgical
d. Surface
e. Regional
The study of the general form and superficial markings of an organism is called ______ anatomy a. Systemic
b. Gross
c. Surgical
d. Surface
e. Regional
Surface
The study of the liver to gross anatomy as the study of a liver cell is to
a. Systemic anatomy
b. Cytology
c. Physiology
d. Radiographic anatomy
e. Regional anatomy
Cytology
Which of the following is arranged in correct order from most complex to simplest?
a. Cellular, tissue, molecular, system, organ, organism
b. Organism, system, organ tissue, cellular, molecular
c. Molecular, cellular, tissue, organ, system, organism
Organism, system, organ tissue, cellular, molecular
A chemical imbalance in the body can cause the heart to stop pumping blood, which in turn will cause other tissues and organs to cease functioning. This observation supports the view that
a. All levels of organization within an organism are interdependent
b. Blood has magical properties
c. All organisms are composed of cells
d. Congenital defects can be life threatening
All levels of organization within an organism are interdependant
A person who is standing facing forward with hands facing at the sides and palms facing forward is in _______ position
a. Sagittal
b. Supine
c. Frontal
d. Anatomical
e. Prone
Anatomical
While standing erect, the direction of caudal is
a. Lateral to the trunk
b. Posterior to the head
c. Toward the heel
d. Medial to the sides
e. Toward the head
Toward the heel
The heart is ______ to the lungs
a. Proximal
b. Lateral
c. Medial
d. Distal
e. Posterior
Medial
The chin is _____ to the nose
a. Anterior
b. Medial
c. Posterior
d. Inferior
e. Superior
Inferior
The common name for the pollex is the
a. Belly
b. Hand
c. Ear love
d. Thumb
e. Big toe
Thumb
A person lying face down is in the _____ position
a. Prostrate
b. Supine
c. Ventral
d. Prone
e. Anatomical
Prone
The mediastinum
a. Contains the pleural cavities
b. Separates the pleural cavities and includes the pericardial activity
c. Separates the pleural cavities
d. Contains the pericardial cavity
e. Contains the pleural cavities and pericardial cavity
Separates the pleural cavities and includes the pericardial activity
The serous membrane covering the stomach and most of the intestines is called the
a. Peritoneum
b. Abdomen
c. Pleura
d. Pericardium
e. Mediastinum
Peritoneum
The imaging technique that assesses metabolic and physiological activity of a structure is called a
a. PET scan
b. Ultrasound
c. Digital subtraction angiography
d. CT scan
e. MRI
PET scan
When body temperature rises, a center in the brain initiates physiological changes to decrease the body temp. This is an example of
a. Fever
b. Diagnostic regulation
c. Negative feedback
d. Positive feedback
e. Nonhomeostatic regulation
Negative Feedback
Helium has an atomic number of 2. It is chemically stable because it
a. Is neutral in electrical charge
b. Will form a covalent bond with another He atom
c. Lacks electrons, this the He atom is stable
d. Has full outer electron shell
e. Readily ionizes to react with other atoms
Has full outer electron shell
A dust particle floating on a water surface illustrates
a. Chemical tension
b. Heat capacity
c. Surface tension
d. Static electricity
e. Hydrophilic attraction
Surface tension
Given the following approximate values, calculate the molecular weight for NaCl.
a. 34 g/mol
b. 11 g/mol
c. 58 g/mol
d. 28 g/mol
e. 40 g/mol
58 g/mol
When electrons are transferred form on atom to another, and the two atoms unite as a result of the opposite charges, a(n) ______ is formed
a. Hydrogen bond
b. Ionic bond
c. Covalent bond
d. Ion
e. Molecule
Ionic bond
If an isotope of oxygen has 8 protons, 10 neutrons, and 8 electrons, its mass number is
a. 18
b. 26
c. 8
d. 12
e. 16
18
Atoms of the same element number of protons, but different numbers of neutrons are called
a. Hetertropes
b. Heterotonics
c. Isotonics
d. Homotopes
e. Isotopes
Isotopes
In an aqueous solution, sodium ions would move toward
a. A negative terminal
b. A positive terminal
c. The bottom
d. An organic terminal
e. A pH terminal
a negative terminal
Ions with a + charge are called
a. Positrons
b. Cations
c. Radicals
d. Isotopes
e. Anions
Cations
Oxygen (atomic number 8) requires how many additional electrons to fill its outer electron shell?
a. 6
b. 8
c. 2
d. 1
e. 4
2
Resersible
Oxygen which forms naturally as two atoms are bonded together with what bond?
a. Single covalent
b. Nonpolar covalent bond
c. Hydrogen bond
d. Ionic bond
e. Polar covalent bond
Nonpolar covalent bond
The reaction A + B + energy à AB is an example of an _____ reaction
a. Exergonic
b. Exchange
c. Decomp
d. Equilibrium
e. Endergonic
Equilibrium
A polysaccharide that is formed in liver and muscle cells to store glucose is
a. Sucrose
b. Fructrose
c. Lactose
d. Glycogen
e. Cellulose
Cellulose
Molecules that have the same molecular formula but different structural formulas are called
a. Isomoles
b. Isotopes
c. Isomers
d. Isozymes
e. Isotypes
Isomers
Nonpolar organic molecules are good examples of
a. Electrolytes
b. Molecules that will dissociate when placed into water
c. Solutes
d. Hydrophobic compound
e. Hydrophilic compounds
Hydrophobic compound
To bond two monomers together, a molecule of water must be ______ to / from monomers. This process is called ______
a. Removed, crenation
b. Added, ionization
c. Removed, dehydration synthesis
d. Added, hydrolysis
e. Added, denaturation
Removed, dehydration synthesis
Which of the following statements about water is false ?
a. It is responsible for much of the mass of the human body
b. It can dissolve many substances
c. It is composed of polar molecules
d. It has a relatively low heat capacity
e. It contains hydrogen bonds
it has a relatively low heat capacity
An excess of hydrogen ions in the body fluids can have fatal results because this can
a. Disrupt tissue functions
b. Change the shape of proteins, rendering them nonfunctional
c. Break chemical bonds
d. Change body fluid pH
e. All answers are correct
All the answers are correct
Water has the ability to dissolve polar covalent molecules like sucrose by
a. Taking electrons from the polar covalent molecule
b. Creating crystals of positively and negatively charged atoms
c. Ionization
d. Forming hydration spheres around the molecule
e. Pulling atoms out of the molecule and into solution
Forming hydration spheres around the molecule
A fatty acid that contains two or more double covalent bonds is said to be
a. Hydrogenated
b. Monounsaturated
c. Polyunsaturated
d. Saturated
e. Carboxylated
Polyunsaturated
Which of the following is / are needed to form a triglyceride molecule?
a. 3 fatty acid molecules and 1 glycerol molecule
b. 3 glycerol molecules
c. 1 glycerol molecule
d. 3 glycerol molecules and 3 fatty acid molecules
3 fatty acid molecules and 1 glycerol molecule
Synthesis of lipids and glycogen take place at the
a. Rough ER
b. Ribosomes
c. Mitochondria
d. Smooth ER
e. Golgi apparatus
Smooth ER
If an animal cell lacked centrioles, it would not be able to
a. Divide
b. Produce DNA
c. Move
d. Metabolize
e. Synthesize protein
Divide
Which of the following functions of proteins?
a. Metabolic regulation
b. Support
c. Buffering
d. Defense
e. All are functions of proteins
All are functions of proteins
You would expect a peptide bond to link
a. Two simple sugars
b. Two amino acids
c. A sugar and a peptide
d. A peptide and a fatty acid
e. Two nucleotides
two amino acids
Microfilaments do not
a. Consists of the protein called actin
b. Distribute chromosome to opposite ends of a dividing cells
c. Help determine the consistency of cytoplasm
d. Produce cell movement, within myosin
e. Anchor the cytoskeleton to membrane proteins
Distribute chromosomes to opposite ends of a dividing cell
Identify the mismatched pair
a. Recognition glycoproteins and glycolipids - identify the cell as "self"
b. Enzymes speed up chemical reactions
c. Channel proteins - provide passageway for ions
d. Carrier proteins - allow a cell to move
e. Receptor proteins - bind to extracellular ligands
Carrier proteins- allow a cell to move
The only kind of cell in the body that is not produced by the division of preexisting cells is
a. Gamete
b. Neuron
c. None, because every cell is produced by the division of another cell
d. Liver cell
e. Osteocyte
None, because every cell is produced by the division of another cell
The anticodon for UCA is
a. AGU
b. AGC
c. TGTG
d. TCA
e. AGT
AGU
The process of forming mRNA is called
a. Ribolation
b. Transcription
c. Translation
d. Replication
e. Auscultation
Transcription
All of the following membrane transport mechanisms are passive processes except
a. Vesicular transport
b. Movement of water
c. Diffusion
d. Facilitated diffusion
e. Osmosis
Vesicular transport
Macrophages are cells that engulf and consume germs or debris. What organelle must be especially plentiful in these cells?
a. Lysosomes
b. Centrioles
c. Mitochondria
d. Ribosomes
e. Nuclei
Lysosomes
Hemolysis may occur when a blood cell is placed into a ____ solution
a. Hypertonic
b. Homotonic
c. Isotonic
d. Hypotonic
e. Merotonic
Hypotonic
Each triplet of bases in a gene corresponds to
a. One AA in a protein
b. One mRNA
c. One protein
d. One DNA nucleotide
e. One chromosome
One AA in a protein
When is DNA replicated?
a. Interkinesis
b. Interphase
c. Telophase
d. Anaphase
e. Metaphase
Interphase