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Latest Updated Examination Study Guide 2022
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, wl wl wl wl wl wl
Latest Updated Examination Study Guide 2022
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Understanding Pathophysiology 7th edition by Huether, McCance Test Ban
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k
Chapter 1. Cellular Biology wl wl wl
MULTIPLE CHOICE wl
1. A student is observing a cell under the microscope. It is observed to have supercoiled D
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NA with histones. Which of the following would also be observed by the student?
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a. A single circular chromosome
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b. A nucleus wl
c. Free-floating nuclear material wl wl
d. No organelles wl
ANS: B wl
The cell described is a eukaryotic cell, so it has histones and a supercoiled DNA within its n
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ucleus; thus, the nucleus should be observed.
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A single circular chromosome is characteristic of prokaryotic cells, which do not have histones.
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Free-
floating nuclear material describes a prokaryotic cell, which would not have a distinct nucleus
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.
Eukaryotic cells have membrane bounded cellular components called organelles. No organelle
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s describes a prokaryotic cell.
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2. A nurse is instructing the staff about cellular functions. Which cellular function is the nur
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se describing when an isolated cell absorbs oxygen and uses it to transform nutrients to en
wl wl wl wl wl wl wl wl wl wl wl wl wl wl wl
ergy?
a. Metabolic absorption wl
b. Communication
c. Secretion
d. Respiration
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Latest Updated Examination Study Guide 2022
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ANS: D wl
The ability of the cell to absorb oxygen refers to the cells function of respiration.
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The ability of the cell to function within a society of cells refers to its function of communic
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ation.
The ability of the cell to take in nutrients refers to the cells function of metabolic absorption.
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The ability of the cell to synthesize new substances and secrete these elsewhere refers to the cells
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function of secretion. wl wl
3. A eukaryotic cell is undergoing DNA replication. In which region of the cell would most
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of the genetic information be contained?
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a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS: C wl
The region of the cell that contains genetic material, including a large amount of ribonucleic
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acid, most of the DNA, and DNA-binding proteins, is the nucleolus.
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The mitochondria is the site of cellular respiration.
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The ribosomes are involved in manufacturing of proteins within the cell.
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The nucleus contains the nucleolus, and it is the nucleolus that contains genetic material.
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4. The fluid mosaic model for biologic membranes describes membrane behavior. According
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to this model, which of the following float singly or as aggregates in the fluid lipid bilayer?
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a. Peripheral membrane proteins wl wl
b. Integral membrane proteins wl wl
, wl wl wl wl wl wl
Latest Updated Examination Study Guide 2022
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c. Glycoproteins
d. Cell adhesion molecules
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ANS: B wl
Integral membrane proteins float freely in the fluid lipid bilayer.
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Peripheral membrane proteins are not embedded in the layer, but reside at the surface. Glyco
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proteins act as cell surface markers.
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Cell adhesion molecules are on the outside of the membrane and allow cells to hook together.
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5. Which of the following can bind to plasma membrane receptors?
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a. Oxygen
b. Ribosomes
c. Amphipathic lipids wl
d. Ligands
ANS: D wl
Ligands are specific molecules that can bind with receptors on the cell membrane. Ox
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ygen moves by diffusion; it does not bind to receptors.
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Ribosomes make proteins and are not involved in bindin
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g. Amphipathic lipids are a portion of the cell membran
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e.
6. A nurse is reviewing a report from a patient with metastatic cancer. What finding wou
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ld support the diagnosis of metastatic cancer? Alterations in extracellular matrix that incl
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ude:
a. Decreased fibronectin wl
b. Increased collagen wl
Latest Updated Examination Study Guide 2022
wl wl wl wl wl
, wl wl wl wl wl wl
Latest Updated Examination Study Guide 2022
wl wl wl wl wl
Understanding Pathophysiology 7th edition by Huether, McCance Test Ban
wl wl wl wl wl wl wl wl
k
Chapter 1. Cellular Biology wl wl wl
MULTIPLE CHOICE wl
1. A student is observing a cell under the microscope. It is observed to have supercoiled D
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NA with histones. Which of the following would also be observed by the student?
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a. A single circular chromosome
wl wl wl
b. A nucleus wl
c. Free-floating nuclear material wl wl
d. No organelles wl
ANS: B wl
The cell described is a eukaryotic cell, so it has histones and a supercoiled DNA within its n
wl wl wl wl wl wl wl wl wl wl wl wl wl wl wl wl wl
ucleus; thus, the nucleus should be observed.
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A single circular chromosome is characteristic of prokaryotic cells, which do not have histones.
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Free-
floating nuclear material describes a prokaryotic cell, which would not have a distinct nucleus
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.
Eukaryotic cells have membrane bounded cellular components called organelles. No organelle
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s describes a prokaryotic cell.
wl wl wl wl
2. A nurse is instructing the staff about cellular functions. Which cellular function is the nur
wl wl wl wl wl wl wl wl wl wl wl wl wl wl
se describing when an isolated cell absorbs oxygen and uses it to transform nutrients to en
wl wl wl wl wl wl wl wl wl wl wl wl wl wl wl
ergy?
a. Metabolic absorption wl
b. Communication
c. Secretion
d. Respiration
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Latest Updated Examination Study Guide 2022
wl wl wl wl wl
ANS: D wl
The ability of the cell to absorb oxygen refers to the cells function of respiration.
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The ability of the cell to function within a society of cells refers to its function of communic
wl wl wl wl wl wl wl wl wl wl wl wl wl wl wl wl wl
ation.
The ability of the cell to take in nutrients refers to the cells function of metabolic absorption.
wl wl wl wl wl wl wl wl wl wl wl wl wl wl wl wl
The ability of the cell to synthesize new substances and secrete these elsewhere refers to the cells
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function of secretion. wl wl
3. A eukaryotic cell is undergoing DNA replication. In which region of the cell would most
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of the genetic information be contained?
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a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS: C wl
The region of the cell that contains genetic material, including a large amount of ribonucleic
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acid, most of the DNA, and DNA-binding proteins, is the nucleolus.
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The mitochondria is the site of cellular respiration.
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The ribosomes are involved in manufacturing of proteins within the cell.
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The nucleus contains the nucleolus, and it is the nucleolus that contains genetic material.
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4. The fluid mosaic model for biologic membranes describes membrane behavior. According
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to this model, which of the following float singly or as aggregates in the fluid lipid bilayer?
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a. Peripheral membrane proteins wl wl
b. Integral membrane proteins wl wl
, wl wl wl wl wl wl
Latest Updated Examination Study Guide 2022
wl wl wl wl wl
c. Glycoproteins
d. Cell adhesion molecules
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ANS: B wl
Integral membrane proteins float freely in the fluid lipid bilayer.
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Peripheral membrane proteins are not embedded in the layer, but reside at the surface. Glyco
wl wl wl wl wl wl wl wl wl wl wl wl wl wl
proteins act as cell surface markers.
wl wl wl wl wl
Cell adhesion molecules are on the outside of the membrane and allow cells to hook together.
wl wl wl wl wl wl wl wl wl wl wl wl wl wl wl
5. Which of the following can bind to plasma membrane receptors?
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a. Oxygen
b. Ribosomes
c. Amphipathic lipids wl
d. Ligands
ANS: D wl
Ligands are specific molecules that can bind with receptors on the cell membrane. Ox
wl wl wl wl wl wl wl wl wl wl wl wl wl
ygen moves by diffusion; it does not bind to receptors.
wl wl wl wl wl wl wl wl wl
Ribosomes make proteins and are not involved in bindin
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g. Amphipathic lipids are a portion of the cell membran
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e.
6. A nurse is reviewing a report from a patient with metastatic cancer. What finding wou
wl wl wl wl wl wl wl wl wl wl wl wl wl wl
ld support the diagnosis of metastatic cancer? Alterations in extracellular matrix that incl
wl wl wl wl wl wl wl wl wl wl wl wl
ude:
a. Decreased fibronectin wl
b. Increased collagen wl
