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PCOL 473 - EXAM 3 Questions With Correct Answers
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PCOL 473 - EXAM 3 Questions With Correct Answers In the last 44 years in the US, the breast cancer death rate has DROPPED by what percent? - answer58% List the 4 general characteristics of a cancer cell - answer1. genomic instability 2. infinite life span (immortality) 3. loss of normal growt...

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  • October 20, 2024
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  • 2024/2025
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  • pcol 473 exam 3 questions with correct answers

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©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM



PCOL 473 - EXAM 3 Questions With
Correct Answers


In the last 44 years in the US, the breast cancer death rate has DROPPED by what percent? -

answer✔58%


List the 4 general characteristics of a cancer cell - answer✔1. genomic instability


2. infinite life span (immortality)

3. loss of normal growth constraints

4. morphological changes (physical appearance abnormalities)


How many worldwide deaths is cancer (general) responsible for each year? - answer✔Approx.

10 million


Since 1991, what has happened to cancer mortality rate in the US? - answer✔Steady DECLINE;

approx. 2.5 million deaths averted


Epithelial layer vs. mesenchymal layer - answer✔Epithelial = houses tissue-specific

(differentiated) cells that carry out tissue's intended function

ex.) hepatocytes in the liver

, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM




Mesenchyme = supporting structures (nerves, muscle, collagen, vessels, etc.)


TWO heritable properties of cancerous tumors: - answer✔1. proliferative capacity that no longer

responds to normal growth controls (can be either benign or malignant)




2. ability to invade and colonize surrounding/distant tissues (malignant only)


Carcinoma in situ lesions typically originate in the mesenchyme. T/F? - answer✔FALSE;

epithelial in origin


A MALIGNANT cancer of EPITHELIAL origin would be called ... - answer✔CARCINOMA


A MALIGNANT cancer of MESENCHYMAL origin would be called ... - answer✔SARCOMA


Sarcoma denotes a cancer of the epithelium. T/F? - answer✔FALSE;


Sarcoma = mesenchymal

Carcinoma = epithelium

Identify the malignant tumors based on nomenclature:

1. Osteosarcoma

2. Pituitary Adenoma

, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM


3. Melanoma

4. Adenocarcinoma


5. Basal cell carcinoma - answer✔1. (mesenchyme)


4. (epithelial)

5. (epithelial)




When determining malignant or benign, look for SARCOMA or CARCINOMA only!!


Malignant epithelial tumors are called ... - answer✔Carcinomas


What are the two "branches" of the hematopoietic system? - answer✔1. Lymphoid branch


2. Myeloid branch


Leukemia denotes a cancer of WHAT branch in the hematopoietic system? - answer✔Myeloid


Lymphoma denotes a cancer of WHAT branchin the hematopoietic system? -

answer✔Lymphoid


TNM tumor staging system (describe the meaning of each letter) - answer✔T = assessment of

tumor SIZE (1-4)

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