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Pathophysiology - BIOD331 - Module 2 Questions & 100% Correct Answers

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What is cancer? :~~ The unregulated growth of abnormal cells What is neoplasia? :~~ "New growth". Process of uncontrolled, abnormal growth of cells or tissues in the body What is neoplasm? :~~ The new growth itself Normal tissue growth responds with ________ and ________ :~~ Hypertroph...

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  • September 9, 2024
  • 42
  • 2024/2025
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  • BIOD331
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1 | P a g e | © copyright 2024/2025 | Grade A+




Pathophysiology - BIOD331 - Module 2
Questions & 100% Correct Answers
What is cancer?

✓ :~~ The unregulated growth of abnormal cells




What is neoplasia?

✓ :~~ "New growth". Process of uncontrolled, abnormal growth of cells or

tissues in the body




What is neoplasm?

✓ :~~ The new growth itself




Normal tissue growth responds with ________ and ________

✓ :~~ Hypertrophy and hyperplasia




Neoplasms don't respond to _____ _______ _____ ______ (4 words)

✓ :~~ Appropriate cellular signaling stimuli




Normal tissue renewal and repair requires what 3 things?

✓ :~~ Proliferation, differentiation, and apoptosis




Master01 | September, 2024/2025 | Latest update

, 2 | P a g e | © copyright 2024/2025 | Grade A+


What is proliferation?

✓ :~~ Process of cell division. Adaptive process for new cell growth to

replace old cells or when additional cells are needed.




Neoplasms tend to have _______ ______ that cause excessive and uncontrolled

proliferation that is unregulated by normal growth-regulating stimuli.

✓ :~~ Genetic abnormalities




What is differentiation?

✓ :~~ Process by which cells become more specialized with each mitotic

division




What is apoptosis?

✓ :~~ Programmed cell death. Eliminates old, damaged, or unwanted cells




What are proto-oncogenes?

✓ :~~ Cell growth. They encode proteins that signal for the cell to proliferate




What do tumor suppressor genes do?


✓ :~~ Cell death. Encode proteins that inhibit cell growth and signal (when

necessary) for apoptosis




Master01 | September, 2024/2025 | Latest update

, 3 | P a g e | © copyright 2024/2025 | Grade A+


What is the G1 phase of the cell cycle?

✓ :~~ DNA synthesis stops while the cell enlarges and both RNA and protein

synthesis begins




What is the S phase of the cell cycle?


✓ :~~ DNA synthesis occurs, producing 2 separate sets of chromosomes one

for each daughter cell




What is the G2 phase of the cell cycle?

✓ :~~ DNA synthesis again stops while RNA/protein synthesis continues.




The first 3 phases of the cell cycle are referred to as __________


✓ :~~ Interphase




What are cell cycle checkpoints?

✓ :~~ Means of molecular surveillance used to ensure the cell is ready to

proceed to the next phase




What is the M phase of the cell cycle?


✓ :~~ Mitosis and cytoplasmic division.




Master01 | September, 2024/2025 | Latest update

, 4 | P a g e | © copyright 2024/2025 | Grade A+


Give an example of a type of cell found in the body that continually cycles from

one mitotic division to the next.

✓ :~~ Skin's squamous epithelium




What is the rest state that some cells enter after the M phase called?


✓ :~~ G0 or resting phase




Why would a cell enter the G0 phase?

✓ :~~ 1. Nutrients are unavailable

2. Growth factors are unavailable

3. Highly specialized cells first leave the cell cycle




What type of cells found in the body may permanently stay in G0?

✓ :~~ Neurons (highly specialized and terminally differentiated cells)




What may prompt a cell to leave the G0 phase?

✓ :~~ Cell receives stimuli via:

1. Growth factors

2. Hormones

3. Other signals that trigger growth




Master01 | September, 2024/2025 | Latest update

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