A community health care nurse is teaching a group of female high school students about the importance of regular Papanicolaou (Pap) smears. The nurse recognizes that what fact underlies the rationale for this teaching?
A)
The active substitution of normal cells in the cervix correlates to cancer risk.
B)
Undifferentiated stem cells are an early indicator of cervical cancer.
C)
Cancer of the uterine cervix develops incrementally at a cellular level.
D)
Dysplasia in the connective tissue of the cervix is a strong precursor to cancer.
Ans:
C
Feedback:
Cervical cancer is indicated by incremental epithelial changes, beginning with dysplasia. Dysplasia does not involve active cellular substitution, as in the case of metaplasia, nor does it include a role for stem cells. Dysplasia does not normally occur in connective tissue, nor is the cervical lining made up of connective tissue.
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