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DREXEL NURSING 221 EXAM 1 NEWEST ACTUAL EXAM 2025 STUDYGUIDE QUESTIONS AND DETAILED ANSWERS | A+GRADE CA$33.04   Add to cart
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DREXEL NURSING 221 EXAM 1 NEWEST ACTUAL EXAM 2025 STUDYGUIDE QUESTIONS AND DETAILED ANSWERS | A+GRADE
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DREXEL NURSING 221 EXAM 1 NEWEST ACTUAL EXAM 2025 STUDYGUIDE QUESTIONS AND DETAILED ANSWERS | A+GRADE

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  • October 9, 2024
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  • 2024/2025
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  • drexel nursing 221 exam 1
  • drexel nursing 221
  • nursing 221 exam 1
  • drexel nursing 221 exam 1 newest actual exam 2025
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DREXEL NURSING 221 EXAM 1 NEWEST
ACTUAL EXAM 2025 STUDYGUIDE
QUESTIONS AND DETAILED ANSWERS |
A+GRADE

What are the three main methods of metastasis? Correct
Answer 1) Through the blood.
2) Through the lymphatic system.
3) Site specific metastisis - chemotactic signals allow
tumor cells to lock onto specific endothelial cells.

Site Specific Metastisis Correct Answer Tumor cells follow
chemotactic signals that all them to lock onto and bind to
specific endothelial cells.

How does the host defend against metastasis? Correct
Answer Host immune cells bind to receptors on tumor
cells and undergo chemical change which kills the tumor
cells. Only 1/10,000 tumor cells make it to the blood
stream and survive the host's defenses. Some tumor cells
can retract their receptors or coat themselves in platelets
to dodge the host's immune cells.

How do tumor cells invade and metastasize? Correct
Answer Malignant tumor cells secrete digestive enzymes
to facilitate their invasive growth into neighboring tissues
or into blood vessels or lymphatic vessels. Tumors can't
grow more than 2mm unless they grow blood vessels into
the tumor to provide oxygen and nutrients.

,What are the most common cancers that effect men?
Correct Answer 1) Prostate 25%
2) Lung and Bronchial 15%
3) Colon and Rectum 10%

What are the most common cancers that effect women?
Correct Answer 1) Breast 26%
2) Lung and Bronchial 14%
3) Colon and Rectum 10%

How many different cancers are attributable to smoking?
Correct Answer Lung; Oropharynx; Larynx; Esophagus;
Stomach; Pancreas; Bladder; Kidney; Myeloid leukemia.

Benign Tumor Correct Answer Benign growth is generally
easily cured. Tumor cells are cells that are typical of the
tissue of origin ( meaning they look similar to normal
healthy cells). Typically do not metastasize. Benign tumors
can still be a cause for concern depending on the location
of the tumor.

Malignant Tumor Correct Answer A severe tumor that
becomes progressively worse. They are anaplastic,
meaning that they have lack of differentiation of pluripotent
stem cells. Invasive and infiltrative. High chance of
metastasizing.

Benign Correct Answer Kindly; favorable; not cancerous

,Malignant Correct Answer Deadly, extremely harmful, evil;
spiteful, malicious; cancerous

Metastasis Correct Answer Cancer cells that invade other
parts of the body through the blood, the lymphatic system
or site specific metastasis.

What are the characteristics of benign tumors? Correct
Answer Histology - Typical of tissue origin; few mitoses.
Growth Rate - Slow
Localization/Metastasis - Strictly local, often
encapsulated/no metastasis due to slow growth.
Tumor Necrosis - Rare
Recurrence after treatment - Rare
Prognosis - Good unless in a critical area.

What are the characteristics of malignant tumors? Correct
Answer Histology - Anaplastic, with abnormal cell size and
shape. Many mitoses.
Growth Rate - Rapid
Localization/Metastasis - Infiltrative and frequent.
Tumor Necrosis - Common
Recurrence after treatment - Common
Prognosis - Poor if untreated.

Necrosis Correct Answer Tissue and cell death.

Angiogenesis Correct Answer The formation of new blood
vessels (from preexisting blood vessels). Malignant tumors
secrete angiogenic properties into surrounding tissue to

, generate blood vessel growth toward the tumor to supply
oxygen and nutrients.

Nomenclature of Benign Cancers Correct Answer Benign
cells typically end with -oma.

Nomenclature of Malignant Cancers Correct Answer
Typically end with -sarcoma or -carcinoma. Some
important exceptions are: Neuroblastoma (most
malignant), myoloma, retinoblastoma, melanoma,
lymphoma, and Papitoma/Heptioma.

-sarcoma Correct Answer Malignant tumor of connective
tissue.

-carcinoma Correct Answer Malignant tumor of epithelial
origin.

Carcinogen Correct Answer A substance that causes
cancer.

Oncogenesis Correct Answer AKA Carcinogenesis.
Formation of a cancerous tumor.

Carcinogenesis Correct Answer AKA Oncogenesis.
Formation or production of cancerous tumor.

Tumor Suppressor Genes (TSG) Correct Answer Normally
inhibit cell proliferation. Under activity of these genes
results in cancer. (Ex. P53) Typically both copies of a

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