Cellular Adaptation Quiz 1

What is the primary mechanism of cellular adaptation in response to increased workload or demand?

• Hypertrophy

• Hyperplasia

• Metaplasia

• Dysplasia

A smoker's lungs show a change from ciliated pseudostratified columnar epithelium to squamous epithelium. What type of cellular adaptation is this?

• Hyperplasia

• Hypertrophy

• Metaplasia

• Dysplasia

Which of the following is an example of reversible cellular adaptation?

• Cancer

• Fibrosis

• Hypertrophy

• Metaplasia

What is the term for an increase in the number of cells in a tissue?

• Hypertrophy

• Hyperplasia

• Metaplasia

• Dysplasia

A patient with chronic hypertension develops left ventricular hypertrophy. What is the underlying mechanism of this adaptation?

• Increased protein degradation

• Increased protein synthesis

• Increased cell division

• Decreased cellular energy production

What is the term for a rare adaptive change in which cells accumulate excessive amounts of lipofuscin, leading to cellular dysfunction?

• Steatosis

• Lipofuscinosis

• Hemosiderosis

• Ceroidosis

A patient with a rare genetic disorder develops an adaptive change characterized by the accumulation of intracellular glycogen. What is the term for this condition?

• Glycogenosis

• Lipidosis

• Mucopolysaccharidosis

• Sphingolipidosis

Liver regeneration is which type of cellular adaption:

• hypertrophy

• compensatory hyperplasia

• non compensatory hyperplasia

• atrophy

What is Cellular adaptation?

• process by which cells become more specialized

• process by which cells become less responsive to stimuli

• process by which cells adjust to changes in environment

• all of the above

Which of the following is an example of atrophy?

• muscle wasting in a paralyzed limb

• enlargement of heart in response to exercise

• increase in size of liver in response to toxins

• None of the above