, Understanding Pathophysiology 7th Edition Test Bank x x x x x
Chapter 1. Cellular Biology x x x
MULTIPLE CHOICE x
1. A student is observing a cell under the microscope. It is observed to have supercoiled DNA
x x x x x x x x x x x x x x x
with histones. Which of the following would also be observed by the student?
x x x x x x x x x x x x x
a. A single circular chromosome
x x x
b. A nucleus x
c. Free-floating nuclear material x x
d. No organelles x
ANS: B x
The cell described is a eukaryotic cell, so it has histones and a supercoiled DNA within its
x x x x x x x x x x x x x x x x
nucleus; thus, the nucleus should be observed.
x x x x x x x
A single circular chromosome is characteristic of prokaryotic cells, which do not have histones.
x x x x x x x x x x x x x
Free-floating nuclear material describes a prokaryotic cell, which would not have a distinct
x x x x x x x x x x x x
nucleus.
x
Eukaryotic cells have membrane bounded cellular components called organelles. No organelles
x x x x x x x x x x
describes a prokaryotic cell.
x x x x
2. A nurse is instructing the staff about cellular functions. Which cellular function is the nurse
x x x x x x x x x x x x x x
describing when an isolated cell absorbs oxygen and uses it to transform nutrients to energy?
x x x x x x x x x x x x x x x
a. Metabolic absorption x
b. Communication
c. Secretion
d. Respiration
,ANS: D x
The ability of the cell to absorb oxygen refers to the cells function of respiration.
x x x x x x x x x x x x x x
The ability of the cell to function within a society of cells refers to its function of
x x x x x x x x x x x x x x x x
communication.
x
The ability of the cell to take in nutrients refers to the cells function of metabolic absorption.
x x x x x x x x x x x x x x x x
The ability of the cell to synthesize new substances and secrete these elsewhere refers to the cells
x x x x x x x x x x x x x x x x
function of secretion.
x x x
3. A eukaryotic cell is undergoing DNA replication. In which region of the cell would most of
x x x x x x x x x x x x x x x
the genetic information be contained?
x x x x x
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS: C x
The region of the cell that contains genetic material, including a large amount of ribonucleic
x x x x x x x x x x x x x x
acid, most of the DNA, and DNA-binding proteins, is the nucleolus.
x x x x x x x x x x x
The mitochondria is the site of cellular respiration.
x x x x x x x
The ribosomes are involved in manufacturing of proteins within the cell.
x x x x x x x x x x
The nucleus contains the nucleolus, and it is the nucleolus that contains genetic material.
x x x x x x x x x x x x x
4. The fluid mosaic model for biologic membranes describes membrane behavior. According to
x x x x x x x x x x x
this model, which of the following float singly or as aggregates in the fluid lipid bilayer?
x x x x x x x x x x x x x x x x
a. Peripheral membrane proteins x x
b. Integral membrane proteins x x
, c. Glycoproteins
d. Cell adhesion molecules
x x
ANS: B x
Integral membrane proteins float freely in the fluid lipid bilayer.
x x x x x x x x x
Peripheral membrane proteins are not embedded in the layer, but reside at the surface.
x x x x x x x x x x x x x
Glycoproteins act as cell surface markers.
x x x x x x
Cell adhesion molecules are on the outside of the membrane and allow cells to hook together.
x x x x x x x x x x x x x x x
5. Which of the following can bind to plasma membrane receptors?
x x x x x x x x x
a. Oxygen
b. Ribosomes
c. Amphipathic lipids x
d. Ligands
ANS: D x
Ligands are specific molecules that can bind with receptors on the cell membrane.
x x x x x x x x x x x x
Oxygen moves by diffusion; it does not bind to receptors.
x x x x x x x x x x
Ribosomes make proteins and are not involved in binding.
x x x x x x x x
Amphipathic lipids are a portion of the cell membrane.
x x x x x x x x x
6. A nurse is reviewing a report from a patient with metastatic cancer. What finding would
x x x x x x x x x x x x x x
support the diagnosis of metastatic cancer? Alterations in extracellular matrix that include:
x x x x x x x x x x x x
a. Decreased fibronectin x
b. Increased collagen x
c. Decreased elastin x
Chapter 1. Cellular Biology x x x
MULTIPLE CHOICE x
1. A student is observing a cell under the microscope. It is observed to have supercoiled DNA
x x x x x x x x x x x x x x x
with histones. Which of the following would also be observed by the student?
x x x x x x x x x x x x x
a. A single circular chromosome
x x x
b. A nucleus x
c. Free-floating nuclear material x x
d. No organelles x
ANS: B x
The cell described is a eukaryotic cell, so it has histones and a supercoiled DNA within its
x x x x x x x x x x x x x x x x
nucleus; thus, the nucleus should be observed.
x x x x x x x
A single circular chromosome is characteristic of prokaryotic cells, which do not have histones.
x x x x x x x x x x x x x
Free-floating nuclear material describes a prokaryotic cell, which would not have a distinct
x x x x x x x x x x x x
nucleus.
x
Eukaryotic cells have membrane bounded cellular components called organelles. No organelles
x x x x x x x x x x
describes a prokaryotic cell.
x x x x
2. A nurse is instructing the staff about cellular functions. Which cellular function is the nurse
x x x x x x x x x x x x x x
describing when an isolated cell absorbs oxygen and uses it to transform nutrients to energy?
x x x x x x x x x x x x x x x
a. Metabolic absorption x
b. Communication
c. Secretion
d. Respiration
,ANS: D x
The ability of the cell to absorb oxygen refers to the cells function of respiration.
x x x x x x x x x x x x x x
The ability of the cell to function within a society of cells refers to its function of
x x x x x x x x x x x x x x x x
communication.
x
The ability of the cell to take in nutrients refers to the cells function of metabolic absorption.
x x x x x x x x x x x x x x x x
The ability of the cell to synthesize new substances and secrete these elsewhere refers to the cells
x x x x x x x x x x x x x x x x
function of secretion.
x x x
3. A eukaryotic cell is undergoing DNA replication. In which region of the cell would most of
x x x x x x x x x x x x x x x
the genetic information be contained?
x x x x x
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS: C x
The region of the cell that contains genetic material, including a large amount of ribonucleic
x x x x x x x x x x x x x x
acid, most of the DNA, and DNA-binding proteins, is the nucleolus.
x x x x x x x x x x x
The mitochondria is the site of cellular respiration.
x x x x x x x
The ribosomes are involved in manufacturing of proteins within the cell.
x x x x x x x x x x
The nucleus contains the nucleolus, and it is the nucleolus that contains genetic material.
x x x x x x x x x x x x x
4. The fluid mosaic model for biologic membranes describes membrane behavior. According to
x x x x x x x x x x x
this model, which of the following float singly or as aggregates in the fluid lipid bilayer?
x x x x x x x x x x x x x x x x
a. Peripheral membrane proteins x x
b. Integral membrane proteins x x
, c. Glycoproteins
d. Cell adhesion molecules
x x
ANS: B x
Integral membrane proteins float freely in the fluid lipid bilayer.
x x x x x x x x x
Peripheral membrane proteins are not embedded in the layer, but reside at the surface.
x x x x x x x x x x x x x
Glycoproteins act as cell surface markers.
x x x x x x
Cell adhesion molecules are on the outside of the membrane and allow cells to hook together.
x x x x x x x x x x x x x x x
5. Which of the following can bind to plasma membrane receptors?
x x x x x x x x x
a. Oxygen
b. Ribosomes
c. Amphipathic lipids x
d. Ligands
ANS: D x
Ligands are specific molecules that can bind with receptors on the cell membrane.
x x x x x x x x x x x x
Oxygen moves by diffusion; it does not bind to receptors.
x x x x x x x x x x
Ribosomes make proteins and are not involved in binding.
x x x x x x x x
Amphipathic lipids are a portion of the cell membrane.
x x x x x x x x x
6. A nurse is reviewing a report from a patient with metastatic cancer. What finding would
x x x x x x x x x x x x x x
support the diagnosis of metastatic cancer? Alterations in extracellular matrix that include:
x x x x x x x x x x x x
a. Decreased fibronectin x
b. Increased collagen x
c. Decreased elastin x
