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Questions and Answers
What is the difference between hypertrophy and atrophy?
What is the difference between hypertrophy and atrophy?
- Hypertrophy is caused by starvation, while atrophy is caused by hormonal stimulation.
- Hypertrophy generates new cells, while atrophy does not.
- Hypertrophy is an increase in cell size, while atrophy is a shrinkage in cell size (correct)
- Hypertrophy leads to tissue diminishment, while atrophy leads to organ enlargement.
Which of the following is a physiologic cause of hypertrophy?
Which of the following is a physiologic cause of hypertrophy?
- Adaptive response (correct)
- Starvation
- Loss of hormone stimulation
- Decreased workload
What are the pathologic causes of atrophy?
What are the pathologic causes of atrophy?
- Increased demand and hormonal stimulation
- Adaptive and compensatory responses
- Involution and loss of hormone stimulation
- Loss of innervation and malnutrition (correct)
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Study Notes
- Hypertrophy is an increase in cell size leading to organ enlargement.
- It does not generate new cells, just larger ones.
- Physiologic causes include increased demand and hormonal stimulation.
- Pathologic causes include adaptive, compensatory, and hormonal hypertrophy.
- Atrophy is a shrinkage in cell size leading to tissue/organ diminishment.
- Mechanism involves a reduction in structural components of the cell.
- Physiologic causes include involution, decreased workload, and loss of hormone stimulation.
- Pathologic causes include loss of innervation, starvation, and malnutrition.
- Atrophy can occur when a sufficient number of cells are involved.
- Hypertrophy and atrophy can both be adaptive or compensatory responses.
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