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Cellular Aging and Injury

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Questions and Answers

Which of the following is a result of cellular aging?

Improved cellular function

Increased ability to regenerate

Decreased ability to respond to injury (correct)

Enhanced ability to adapt to changes

What are the two possible outcomes when a cell is exposed to stimulus, changes, or injury?

Partial and complete

Reversible and irreversible (correct)

Temporary and permanent

Adaptive and maladaptive

Which type of necrosis affects internal organs such as the heart, liver, and kidneys?

Apoptotic necrosis

Caseous necrosis

Fatty necrosis

Coagulative necrosis (correct)

Which structures within a cell are affected by swelling during injury?

Mitochondria Signup and view all the answers

What happens to intracellular sodium and calcium levels during cell injury?

They increase Signup and view all the answers

During the wound healing process, which stage involves the formation of a blood clot?

Hemostasis Signup and view all the answers

Which factors can contribute to the formation of non-healing chronic wounds?

Diabetes and venous or arterial disease Signup and view all the answers

What is the function of the epidermis and dermis in undamaged skin?

To form a protective barrier Signup and view all the answers

Which stage of wound healing involves tissue growth and cell proliferation?

Cell proliferation Signup and view all the answers

What is the term for the replacement of destroyed or damaged tissue by newly produced tissue?

Regeneration Signup and view all the answers