, Understanding Pathophysiology8th Edition Test Bank mf mf mf mf
Chapter 1. Cellular Biology mf mf mf
MULTIPLE CHOICE mf
1. A student is observing a cell under the microscope. It is observed to have supercoiled DN
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
A with histones. Which of the following would also be observed by the student?
mf mf mf mf mf mf mf mf mf mf mf mf mf
a. A single circular chromosome
mf mf mf
b. A nucleus mf
c. Free-floating nuclear material mf mf
d. No organelles mf
ANS: B mf
The cell described is a eukaryotic cell, so it has histones and a supercoiled DNA within its nucle
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
us; thus, the nucleus should be observed.
mf mf mf mf mf mf
A single circular chromosome is characteristic of prokaryotic cells, which do not have histones.
mf mf mf mf mf mf mf mf mf mf mf mf mf
Free-
floating nuclear material describes a prokaryotic cell, which would not have a distinct nucleus.
mf mf mf mf mf mf mf mf mf mf mf mf mf
Eukaryotic cells have membrane bounded cellular components called organelles. No organelles d
mf mf mf mf mf mf mf mf mf mf mf
escribes a prokaryotic cell. mf mf mf
2. A nurse is instructing the staff about cellular functions. Which cellular function is the nurse
mf mf mf mf mf mf mf mf mf mf mf mf mf mf
describing when an isolated cell absorbs oxygen and uses it to transform nutrients to energy
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
?
a. Metabolic absorption mf
b. Communication
c. Secretion
d. Respiration
,ANS: D mf
The ability of the cell to absorb oxygen refers to the cells function of respiration.
mf mf mf mf mf mf mf mf mf mf mf mf mf mf
The ability of the cell to function within a society of cells refers to its function of communicati
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
on.
The ability of the cell to take in nutrients refers to the cells function of metabolic absorption.
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
The ability of the cell to synthesize new substances and secrete these elsewhere refers to the cell
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
s function of secretion.
mf mf mf
3. A eukaryotic cell is undergoing DNA replication. In which region of the cell would most o
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
f the genetic information be contained?
mf mf mf mf mf
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS: C mf
The region of the cell that contains genetic material, including a large amount of ribonucleic a
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
cid, most of the DNA, and DNA-binding proteins, is the nucleolus.
mf mf mf mf mf mf mf mf mf mf
The mitochondria is the site of cellular respiration.
mf mf mf mf mf mf mf
The ribosomes are involved in manufacturing of proteins within the cell.
mf mf mf mf mf mf mf mf mf mf
The nucleus contains the nucleolus, and it is the nucleolus that contains genetic material.
mf mf mf mf mf mf mf mf mf mf mf mf mf
4. The fluid mosaic model for biologic membranes describes membrane behavior. According to
mf mf mf mf mf mf mf mf mf mf mf
this model, which of the following float singly or as aggregates in the fluid lipid bilayer?
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
a. Peripheral membrane proteins mf mf
b. Integral membrane proteins mf mf
, c. Glycoproteins
d. Cell adhesion molecules
mf mf
ANS: B mf
Integral membrane proteins float freely in the fluid lipid bilayer.
mf mf mf mf mf mf mf mf mf
Peripheral membrane proteins are not embedded in the layer, but reside at the surface. Glycoprot
mf mf mf mf mf mf mf mf mf mf mf mf mf mf
eins act as cell surface markers.
mf mf mf mf mf
Cell adhesion molecules are on the outside of the membrane and allow cells to hook together.
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
5. Which of the following can bind to plasma membrane receptors?
mf mf mf mf mf mf mf mf mf
a. Oxygen
b. Ribosomes
c. Amphipathic lipids mf
d. Ligands
ANS: D mf
Ligands are specific molecules that can bind with receptors on the cell membrane. Oxy
mf mf mf mf mf mf mf mf mf mf mf mf mf
gen moves by diffusion; it does not bind to receptors.
mf mf mf mf mf mf mf mf mf
Ribosomes make proteins and are not involved in binding.
mf mf mf mf mf mf mf mf
Amphipathic lipids are a portion of the cell membrane.
mf mf mf mf mf mf mf mf mf
6. A nurse is reviewing a report from a patient with metastatic cancer. What finding would
mf mf mf mf mf mf mf mf mf mf mf mf mf mf
support the diagnosis of metastatic cancer? Alterations in extracellular matrix that include
mf mf mf mf mf mf mf mf mf mf mf mf
:
a. Decreased fibronectin mf
b. Increased collagen mf
c. Decreased elastin mf
Chapter 1. Cellular Biology mf mf mf
MULTIPLE CHOICE mf
1. A student is observing a cell under the microscope. It is observed to have supercoiled DN
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
A with histones. Which of the following would also be observed by the student?
mf mf mf mf mf mf mf mf mf mf mf mf mf
a. A single circular chromosome
mf mf mf
b. A nucleus mf
c. Free-floating nuclear material mf mf
d. No organelles mf
ANS: B mf
The cell described is a eukaryotic cell, so it has histones and a supercoiled DNA within its nucle
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
us; thus, the nucleus should be observed.
mf mf mf mf mf mf
A single circular chromosome is characteristic of prokaryotic cells, which do not have histones.
mf mf mf mf mf mf mf mf mf mf mf mf mf
Free-
floating nuclear material describes a prokaryotic cell, which would not have a distinct nucleus.
mf mf mf mf mf mf mf mf mf mf mf mf mf
Eukaryotic cells have membrane bounded cellular components called organelles. No organelles d
mf mf mf mf mf mf mf mf mf mf mf
escribes a prokaryotic cell. mf mf mf
2. A nurse is instructing the staff about cellular functions. Which cellular function is the nurse
mf mf mf mf mf mf mf mf mf mf mf mf mf mf
describing when an isolated cell absorbs oxygen and uses it to transform nutrients to energy
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
?
a. Metabolic absorption mf
b. Communication
c. Secretion
d. Respiration
,ANS: D mf
The ability of the cell to absorb oxygen refers to the cells function of respiration.
mf mf mf mf mf mf mf mf mf mf mf mf mf mf
The ability of the cell to function within a society of cells refers to its function of communicati
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
on.
The ability of the cell to take in nutrients refers to the cells function of metabolic absorption.
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
The ability of the cell to synthesize new substances and secrete these elsewhere refers to the cell
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
s function of secretion.
mf mf mf
3. A eukaryotic cell is undergoing DNA replication. In which region of the cell would most o
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
f the genetic information be contained?
mf mf mf mf mf
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS: C mf
The region of the cell that contains genetic material, including a large amount of ribonucleic a
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
cid, most of the DNA, and DNA-binding proteins, is the nucleolus.
mf mf mf mf mf mf mf mf mf mf
The mitochondria is the site of cellular respiration.
mf mf mf mf mf mf mf
The ribosomes are involved in manufacturing of proteins within the cell.
mf mf mf mf mf mf mf mf mf mf
The nucleus contains the nucleolus, and it is the nucleolus that contains genetic material.
mf mf mf mf mf mf mf mf mf mf mf mf mf
4. The fluid mosaic model for biologic membranes describes membrane behavior. According to
mf mf mf mf mf mf mf mf mf mf mf
this model, which of the following float singly or as aggregates in the fluid lipid bilayer?
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
a. Peripheral membrane proteins mf mf
b. Integral membrane proteins mf mf
, c. Glycoproteins
d. Cell adhesion molecules
mf mf
ANS: B mf
Integral membrane proteins float freely in the fluid lipid bilayer.
mf mf mf mf mf mf mf mf mf
Peripheral membrane proteins are not embedded in the layer, but reside at the surface. Glycoprot
mf mf mf mf mf mf mf mf mf mf mf mf mf mf
eins act as cell surface markers.
mf mf mf mf mf
Cell adhesion molecules are on the outside of the membrane and allow cells to hook together.
mf mf mf mf mf mf mf mf mf mf mf mf mf mf mf
5. Which of the following can bind to plasma membrane receptors?
mf mf mf mf mf mf mf mf mf
a. Oxygen
b. Ribosomes
c. Amphipathic lipids mf
d. Ligands
ANS: D mf
Ligands are specific molecules that can bind with receptors on the cell membrane. Oxy
mf mf mf mf mf mf mf mf mf mf mf mf mf
gen moves by diffusion; it does not bind to receptors.
mf mf mf mf mf mf mf mf mf
Ribosomes make proteins and are not involved in binding.
mf mf mf mf mf mf mf mf
Amphipathic lipids are a portion of the cell membrane.
mf mf mf mf mf mf mf mf mf
6. A nurse is reviewing a report from a patient with metastatic cancer. What finding would
mf mf mf mf mf mf mf mf mf mf mf mf mf mf
support the diagnosis of metastatic cancer? Alterations in extracellular matrix that include
mf mf mf mf mf mf mf mf mf mf mf mf
:
a. Decreased fibronectin mf
b. Increased collagen mf
c. Decreased elastin mf
