,Chapter01: Cellular Biology g g
g g
g
Huether andMcCance: Understanding
gg g g g
Pathophysiology,5thEdition
gg g
Chapter 01: Cellular gg gg
BiologyTest Bank
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MULTIPLECHOICE
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1. A student is observing a cell under the microscope. It is observed to have
gg gg gg gg gg gg gg gg gg gg gg gg gg
supercoiled DNA with histones. Which of the following would also be observed
gg gg gg gg gg gg gg gg gg gg gg gg
bythe student?
gg gg
a. A single circular chromosome gg gg gg
b. A nucleus gg
c. Free-floating nuclear material gg gg
d. No organelles g
ANS: B
gg gg
The cell described is a eukaryotic cell, so it has histones and a supercoiled
gg gg gg gg gg gg gg gg gg gg gg gg gg
DNAwithin its nucleus; thus, the nucleus should be observed.
l gg gg gg gg gg gg gg gg
A single circular chromosome is characteristic of prokaryotic cells, which do not
gg gg gg gg gg gg gg gg gg gg gg
havehistones.
gg
Free-floating nuclear material describes a prokaryotic cell, which would not have
gg gg gg gg gg gg gg gg gg gg
adistinct nucleus.
gg l gg
Eukaryotic cells have membrane bounded cellular components called organelles.
gg gg gg gg gg gg gg gg
Noorganelles describes aprokaryotic cell.
gg gg gg gg
REF: p. 2 gg g
2. A nurse is instructing the staff about cellular functions. Which cellular
gg gg gg gg gg gg gg gg gg gg
function is the nurse describing when an isolated cell absorbs oxygen and uses it
gg gg l gg gg gg gg gg gg gg gg gg gg gg
to transform nutrients to energy?
gg gg gg gg gg
a. Metabolicabsorption
b. Communication
c. Secretion
d. Respiration
ANS: D
gg gg
The ability of the cell to absorb oxygen refers to the cell’s function of respiration.
gg gg gg gg gg gg gg gg gg gg gg gg gg gg
,The ability of the cell to function within a society of cells refers to its function
gg gg gg gg gg gg gg gg gg gg gg gg gg gg gg
ofcommunication.
gg l
The ability of the cell to take in nutrients refers to the cell’s function of
gg gg gg gg gg gg gg gg gg gg gg gg gg gg
metabolicabsorption.
gg l
The ability of the cell to synthesize new substances and secrete these elsewhere refersto
gg gg gg gg gg gg gg gg gg gg gg gg gg l
the cell’s function of secretion.
gg gg gg gg gg
REF: p. 3 gg g
3. A eukaryotic cell is undergoing DNA replication. In which region of the cell
gg gg gg gg gg gg gg gg gg gg gg gg
wouldmost of the genetic information be contained?
gg gg gg gg gg gg gg
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS: C
gg gg
The region of the cell that contains genetic material, including a large amount
gg gg gg gg gg gg gg gg gg gg gg gg
of ribonucleic acid, most of the DNA, and DNA-binding
gg g g g g g g g g g g g g g g
g proteins, is the nucleolus.The mitochondria is the site of cellular respiration.
g g g g g gg gg gg gg gg gg gg gg
Theribosomes are involved in manufacturing ofproteinswithin thecell.
gg gg gg gg gg gg
The nucleus contains the nucleolus, and it is the nucleolus
g g g g g g g g g g g g g g g g g g
g gthat contains geneticmaterial.
g g gg l
REF: p. 5 gg g
4. The fluid mosaic model for biologic membranes describes membrane behavior.
gg gg gg gg gg gg gg gg gg
According to this model, which of the following float singly or as aggregates
gg gg gg gg gg gg gg gg gg gg gg gg gg
in thefluid lipid bilayer?
gg gg gg gg
a. Peripheral membraneproteins gg
b. Integralmembraneproteins
c. Glycoproteins
d. Celladhesion molecules gg
ANS: B
gg gg
Integralmembraneproteins float freely in the fluid lipid bilayer. gg g gg gg gg gg gg
Peripheral membrane proteins are not embedded in the layer, but reside at the
gg gg gg gg gg gg gg gg gg gg gg gg
surface.Glycoproteins act as cell surface markers.
gg gg gg gg gg gg
, Cell adhesion molecules are on the outside of the membrane and allow cells to
gg gg gg gg gg gg gg gg gg gg gg gg gg
hooktogether.
gg l
REF: p. 6 gg g
5. Which of the following can bind to plasma membrane receptors?
gg gg gg gg gg gg gg gg gg
a. Oxygen
b. Ribosomes
c. Amphipathic lipids gg
d. Ligands
ANS: D
gg gg
Ligands are specific molecules that can bind with receptors on the cell
gg gg gg gg gg gg gg gg gg gg gg
membrane.Oxygen moves by diffusion; it does notbind to receptors. gg gg gg gg gg g gg gg
Ribosomes make proteins and are not involved in
gg gg gg gg gg gg gg gg
binding.Amphipathic lipids are a portion of the cell
gg gg gg gg gg gg gg gg
membrane.
REF: p. 11gg gg
6. A nurse is reviewing a report from a patient with metastatic cancer. What finding
gg gg gg gg gg gg gg gg gg gg gg gg gg
would support the diagnosis of metastatic cancer? Alterations in extracellular
gg gg gg gg gg gg gg gg gg gg
matrix that include:
gg l g
a. Decreased fibronectin gg
b. Increased collagen gg
c. Decreased elastin gg
d. Increasedglycoproteins
ANS: A
gg gg
Reduced amounts of fibronectin are found in some types of cancerous cells,
gg gg gg gg gg gg gg gg gg gg gg
allowingcancer cells to travel, or metastasize.
l gg gg gg gg gg
Collagen provides strength, and its breakdown is associated with osteoarthritis,
gg gg gg gg gg gg gg gg gg
notcancer.
gg l
Elastin is found in the lungs and allows tissues to stretch; it is not associated
gg gg gg gg gg gg gg gg gg gg gg gg gg gg
withcancerous cells.
gg l gg
Decreased, not increased, glycoproteins are associated with cancerous
gg gg gg gg gg gg gg
cells.REF: p. 8
gg gg gg
7. Which form of cell communication is used to relate to other cells in direct
gg gg gg gg gg gg gg gg gg gg gg gg gg
physicalcontact?
gg
g g
g
Huether andMcCance: Understanding
gg g g g
Pathophysiology,5thEdition
gg g
Chapter 01: Cellular gg gg
BiologyTest Bank
gg gg
MULTIPLECHOICE
gg
1. A student is observing a cell under the microscope. It is observed to have
gg gg gg gg gg gg gg gg gg gg gg gg gg
supercoiled DNA with histones. Which of the following would also be observed
gg gg gg gg gg gg gg gg gg gg gg gg
bythe student?
gg gg
a. A single circular chromosome gg gg gg
b. A nucleus gg
c. Free-floating nuclear material gg gg
d. No organelles g
ANS: B
gg gg
The cell described is a eukaryotic cell, so it has histones and a supercoiled
gg gg gg gg gg gg gg gg gg gg gg gg gg
DNAwithin its nucleus; thus, the nucleus should be observed.
l gg gg gg gg gg gg gg gg
A single circular chromosome is characteristic of prokaryotic cells, which do not
gg gg gg gg gg gg gg gg gg gg gg
havehistones.
gg
Free-floating nuclear material describes a prokaryotic cell, which would not have
gg gg gg gg gg gg gg gg gg gg
adistinct nucleus.
gg l gg
Eukaryotic cells have membrane bounded cellular components called organelles.
gg gg gg gg gg gg gg gg
Noorganelles describes aprokaryotic cell.
gg gg gg gg
REF: p. 2 gg g
2. A nurse is instructing the staff about cellular functions. Which cellular
gg gg gg gg gg gg gg gg gg gg
function is the nurse describing when an isolated cell absorbs oxygen and uses it
gg gg l gg gg gg gg gg gg gg gg gg gg gg
to transform nutrients to energy?
gg gg gg gg gg
a. Metabolicabsorption
b. Communication
c. Secretion
d. Respiration
ANS: D
gg gg
The ability of the cell to absorb oxygen refers to the cell’s function of respiration.
gg gg gg gg gg gg gg gg gg gg gg gg gg gg
,The ability of the cell to function within a society of cells refers to its function
gg gg gg gg gg gg gg gg gg gg gg gg gg gg gg
ofcommunication.
gg l
The ability of the cell to take in nutrients refers to the cell’s function of
gg gg gg gg gg gg gg gg gg gg gg gg gg gg
metabolicabsorption.
gg l
The ability of the cell to synthesize new substances and secrete these elsewhere refersto
gg gg gg gg gg gg gg gg gg gg gg gg gg l
the cell’s function of secretion.
gg gg gg gg gg
REF: p. 3 gg g
3. A eukaryotic cell is undergoing DNA replication. In which region of the cell
gg gg gg gg gg gg gg gg gg gg gg gg
wouldmost of the genetic information be contained?
gg gg gg gg gg gg gg
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS: C
gg gg
The region of the cell that contains genetic material, including a large amount
gg gg gg gg gg gg gg gg gg gg gg gg
of ribonucleic acid, most of the DNA, and DNA-binding
gg g g g g g g g g g g g g g g
g proteins, is the nucleolus.The mitochondria is the site of cellular respiration.
g g g g g gg gg gg gg gg gg gg gg
Theribosomes are involved in manufacturing ofproteinswithin thecell.
gg gg gg gg gg gg
The nucleus contains the nucleolus, and it is the nucleolus
g g g g g g g g g g g g g g g g g g
g gthat contains geneticmaterial.
g g gg l
REF: p. 5 gg g
4. The fluid mosaic model for biologic membranes describes membrane behavior.
gg gg gg gg gg gg gg gg gg
According to this model, which of the following float singly or as aggregates
gg gg gg gg gg gg gg gg gg gg gg gg gg
in thefluid lipid bilayer?
gg gg gg gg
a. Peripheral membraneproteins gg
b. Integralmembraneproteins
c. Glycoproteins
d. Celladhesion molecules gg
ANS: B
gg gg
Integralmembraneproteins float freely in the fluid lipid bilayer. gg g gg gg gg gg gg
Peripheral membrane proteins are not embedded in the layer, but reside at the
gg gg gg gg gg gg gg gg gg gg gg gg
surface.Glycoproteins act as cell surface markers.
gg gg gg gg gg gg
, Cell adhesion molecules are on the outside of the membrane and allow cells to
gg gg gg gg gg gg gg gg gg gg gg gg gg
hooktogether.
gg l
REF: p. 6 gg g
5. Which of the following can bind to plasma membrane receptors?
gg gg gg gg gg gg gg gg gg
a. Oxygen
b. Ribosomes
c. Amphipathic lipids gg
d. Ligands
ANS: D
gg gg
Ligands are specific molecules that can bind with receptors on the cell
gg gg gg gg gg gg gg gg gg gg gg
membrane.Oxygen moves by diffusion; it does notbind to receptors. gg gg gg gg gg g gg gg
Ribosomes make proteins and are not involved in
gg gg gg gg gg gg gg gg
binding.Amphipathic lipids are a portion of the cell
gg gg gg gg gg gg gg gg
membrane.
REF: p. 11gg gg
6. A nurse is reviewing a report from a patient with metastatic cancer. What finding
gg gg gg gg gg gg gg gg gg gg gg gg gg
would support the diagnosis of metastatic cancer? Alterations in extracellular
gg gg gg gg gg gg gg gg gg gg
matrix that include:
gg l g
a. Decreased fibronectin gg
b. Increased collagen gg
c. Decreased elastin gg
d. Increasedglycoproteins
ANS: A
gg gg
Reduced amounts of fibronectin are found in some types of cancerous cells,
gg gg gg gg gg gg gg gg gg gg gg
allowingcancer cells to travel, or metastasize.
l gg gg gg gg gg
Collagen provides strength, and its breakdown is associated with osteoarthritis,
gg gg gg gg gg gg gg gg gg
notcancer.
gg l
Elastin is found in the lungs and allows tissues to stretch; it is not associated
gg gg gg gg gg gg gg gg gg gg gg gg gg gg
withcancerous cells.
gg l gg
Decreased, not increased, glycoproteins are associated with cancerous
gg gg gg gg gg gg gg
cells.REF: p. 8
gg gg gg
7. Which form of cell communication is used to relate to other cells in direct
gg gg gg gg gg gg gg gg gg gg gg gg gg
physicalcontact?
gg
