A tumor grows from what? What is a malignant tumor? What is a benign tumor? Canc
ID: 195674 • Letter: A
Question
A tumor grows from what?
What is a malignant tumor?
What is a benign tumor?
Cancer cells divide very ____ because they ____
What type of tumors will invade healthy tissue?
What is metastasis?
What is a secondary tumor?
3 treatments for cancer are?
Chemotherapy will kill 4 types of cells what are they?
An example of mistake during meiosis would include what?
When there is a mistake during meiosis what usually happens?
Trisomy 21 is also what?
What is nondisjunction?
The older the mother the higher the risk of what?
X?
XXY?
Explanation / Answer
start in basement membrane of tissue. Less differentiated and have lost the ability to control cell proliferation and differentiation. Grow rapidly, invade and infiltrate nearby tissue and spread to other parts of the body. Evade apoptosis and margins are not clearly separated from normal surrounding tissue Composed of well-differentiated cells resembling the cell of origin but have lost the ability to control cell proliferation. Grow by expansion and remain localized. Do not have the capacity to infiltrate, invade, or metastasize to distant sites. Cancer cells divide very rapidly because they have a tendency to spread once they enter the bloodstream or lymph vessels. Malignant tumors can invade and destroy healthy tissue and spread to other parts of the body through the Blood and lymph system. Metastasis is the spread of cancer cells from the primary site of tumor development to lymph nodes and distant sites. Metastatic cancer cells are invasive due to loss of cell-cell adhesion and increased motility Secondary tumor looks like primary tumor Primary tumor: original tumor Secondary tumor: where the tumor spreads to Chemotherapy, radiation, and surgery prevents blood vessel growth, Stops cell division/replication process, Causes spontaneous cell death & Creates a non dividing cell by alteringcell structure mistake in meiosis cause chromosomal non-disjunction and syndrome mistake during meiosis leads to mutations in gametes. Down syndrome Improper separation of homologous chromosomes or sister chromatids during cell division. To develop autism and Alzheimer’s later. Martin-Bell syndrome Klinefelter syndrome
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