NURS 231 Module 2 Exam Questions and Answers
Neoplasia is a disorder of altered cell differentiation and growth.
Define neoplasia and neoplasm:
Neoplasm is the "new growth."
Proliferation, a process of cell division, is an adaptive process for new cell growth to
replace old cells .
Define proliferation and differentiation:
Differentiation is when cells become more specialized with each mitotic division.
What are the 3 main groups of cells that (1) well-differentiated neurons and cells (2) progenitor or parent cells (3)
proliferate? undifferentiated stem cells
These are cells of the same lineage that have not yet differentiated to the extent that
What are progenitor or parent cells?
they have lost their ability to divide
Stem cells remain dormant until they are needed.
What are the benefits of the stem cell?
Two important properties that stem cells possess are self-renewal and potency.
the stem cell can undergo numerous mitotic divisions while maintaining an
What is the process of self-renewal?
undifferentiated state
What is Potency describe? describes the differentiation potential of stem cells
A polyp is a growth that projects from a mucosal surface, such as the intestine. A
What is a polyp? is it malignant or benign?
polyp can be benign or malignant.
a cancer cell must break loose from the primary tumor, invade the surrounding
extracellular matrix, gain access to a blood vessel, survive its passage in the
Explain metastasis and how it occurs:
bloodstream, emerge at a favorable location, invade the surrounding tissue, begin to
grow, and establish a blood supply.
Neoplasia is a disorder of altered cell differentiation and growth.
Define neoplasia and neoplasm:
Neoplasm is the "new growth."
Proliferation, a process of cell division, is an adaptive process for new cell growth to
replace old cells .
Define proliferation and differentiation:
Differentiation is when cells become more specialized with each mitotic division.
What are the 3 main groups of cells that (1) well-differentiated neurons and cells (2) progenitor or parent cells (3)
proliferate? undifferentiated stem cells
These are cells of the same lineage that have not yet differentiated to the extent that
What are progenitor or parent cells?
they have lost their ability to divide
Stem cells remain dormant until they are needed.
What are the benefits of the stem cell?
Two important properties that stem cells possess are self-renewal and potency.
the stem cell can undergo numerous mitotic divisions while maintaining an
What is the process of self-renewal?
undifferentiated state
What is Potency describe? describes the differentiation potential of stem cells
A polyp is a growth that projects from a mucosal surface, such as the intestine. A
What is a polyp? is it malignant or benign?
polyp can be benign or malignant.
a cancer cell must break loose from the primary tumor, invade the surrounding
extracellular matrix, gain access to a blood vessel, survive its passage in the
Explain metastasis and how it occurs:
bloodstream, emerge at a favorable location, invade the surrounding tissue, begin to
grow, and establish a blood supply.
