Cell Injury and Adaptation Quiz lecture 2

What is the definition of cell injury?

• Permanent changes in cell structure

• Reversible changes in cell number, size, and function

• Irreversible cell death

• Increased cell metabolism

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

• Infections

• Toxins

• Increased oxygen supply

• Hypoxia

What type of adaptation involves a decrease in cell size?

• Hyperplasia

• Hypertrophy

• Metaplasia

• Atrophy

Which type of hypertrophy is associated with athletes?

• Dysplasia

• Metaplasia

• Physiological hypertrophy

• Pathological hypertrophy

What is metaplasia?

• Increase in cell number

• Change of one type of differentiated tissue to another

• Abnormal cell growth

• Decrease in cell size

Which of the following is a reversible cell injury?

• Necrosis

• Apoptosis

• Cellular swelling

• Cell death

What is the primary effect of ATP depletion in cells?

• Increased cell size

• Cellular apoptosis

• Loss of energy production

• Increased protein synthesis

Which of the following describes necrosis?

• Unregulated cell death

• Programmed cell death

• Cellular adaptation

• Reversible cell injury

What is the main characteristic of apoptosis?

• Programmed cell death

• Uncontrolled cell growth

• Cellular swelling

• Fatty change

Which of the following is a type of irreversible cell injury?

• Hydropic degeneration

• Fatty change

• Necrosis

• Cellular swelling