BIOL 331
BIOL331 / BIOL 331 Module 2| Pathophysiology | (Latest Update )
Questions & Answers | Grade A | 100% Correct
1.
A nurse is explaining a key concept in oncology to a client. Which definition best
describes "neoplasia"?
A. An increase in the size of existing cells
B. Patterns of altered cellular differentiation and growth
C. The normal process of cell death
D. A protective response to inflammation
CORRECT ANSWER: B
Rationale: Neoplasia refers to the abnormal and uncontrolled process of cell growth and
differentiation that characterizes tumor formation.
2.
A client asks what the term "neoplasm" means. The nurse should respond that it is:
A. A type of inflammation
B. A "new growth" or tumor
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C. A bacterial infection
D. A healed scar tissue
CORRECT ANSWER: B
Rationale: A neoplasm is an abnormal mass of tissue resulting from uncontrolled cell
division, commonly called a tumor.
3.
In the context of cell biology, proliferation is best defined as:
A. The process of cells becoming specialized
B. An adaptive process of cell division for growth and replacement
C. The programmed death of damaged cells
D. The invasion of tissues by abnormal cells
CORRECT ANSWER: B
Rationale: Proliferation is the regulated process of cell division that allows for tissue
growth, maintenance, and repair.
4.
The nurse explains that cellular differentiation refers to the process by which cells:
A. Divide rapidly
B. Become more specialized with each division
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C. Lose their function
D. Become cancerous
CORRECT ANSWER: B
Rationale: Differentiation is the process through which cells mature and acquire specific
structures and functions.
5.
A key characteristic of neoplastic cells is that they:
A. Respond appropriately to regulatory signals
B. Serve a useful physiological purpose
C. Lack normal regulatory control and grow at the host's expense
D. Stop growing when space is limited
CORRECT ANSWER: C
Rationale: Cancer cells evade normal growth controls, are purposeless, and consume
host resources while continuing to proliferate.
6.
The term "cancer" is clinically defined as:
A. A benign overgrowth of normal tissue
B. Unregulated growth of abnormal cells
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C. A localized inflammatory response
D. Reversible cellular dysplasia
CORRECT ANSWER: B
Rationale: Cancer is a malignant neoplasm characterized by the uncontrolled
proliferation of genetically altered cells.
7.
Which of the following are main groups of cells based on their ability to proliferate?
Select all that apply.
A. Well-differentiated neurons and cardiac muscle cells
B. Progenitor (parent) cells
C. Erythrocytes
D. Undifferentiated stem cells
CORRECT ANSWER: A, B, D
Rationale: Cell populations are categorized by proliferative capacity: non-dividing
specialized cells, dividing progenitor cells, and pluripotent stem cells.
8.
Well-differentiated neurons and skeletal muscle cells are characterized by their ability
to:
A. Divide frequently
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