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Cellular Pathology and Adaptations Quiz

#1

Which of the following cellular adaptations is reversible?

Metaplasia
Explanation

Cellular adaptation involving conversion of one differentiated cell type to another, which is reversible.

#2

Which of the following cellular adaptations is associated with an increase in the number of cells?

Hyperplasia
Explanation

Cellular adaptation involving an increase in cell number, typically in response to a stimulus.

#3

Which of the following is a characteristic feature of dystrophic calcification?

Occurs in necrotic tissue
Explanation

Calcium deposition in dead or dying tissue, not related to serum calcium levels.

#4

Which of the following is a characteristic feature of hypertrophy?

Increase in cell size
Explanation

Enlargement of cells, leading to increased organ size or tissue mass.

#5

Which type of necrosis is typically associated with tuberculosis infections?

Caseous necrosis
Explanation

Necrosis characterized by cheese-like, soft, friable tissue, often seen in tuberculosis infections.

#6

Which of the following is an example of physiological hypertrophy?

Hypertrophy of the heart in response to exercise
Explanation

Heart enlargement due to exercise-induced workload increase, a physiological response.

#7

Which of the following is a characteristic feature of metaplasia?

Replacement of one differentiated cell type with another
Explanation

Conversion of one cell type to another, often in response to stress or injury.

#8

Which of the following conditions is NOT associated with pathologic hyperplasia?

Psoriasis
Explanation

Skin disorder characterized by inflammation and excessive keratinocyte production, not hyperplasia.

#9

Which of the following is NOT a feature of apoptosis?

Inflammation
Explanation

Programmed cell death characterized by no inflammation.

#10

Which of the following is a characteristic of necrosis but not of apoptosis?

Cellular contents released into the extracellular space
Explanation

Necrosis results in cell membrane rupture and release of cellular contents outside the cell.

#11

Which of the following is NOT a cause of cellular injury?

Eustress
Explanation

Eustress refers to beneficial stress that stimulates adaptation, not injury.

#12

Which of the following is a characteristic feature of coagulative necrosis?

Tissue architecture preserved
Explanation

Necrotic tissue retains basic structural outline due to denaturation of structural proteins.

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