Cellular Responses to Stress and Harmful Stimuli Quiz
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Questions and Answers

What is hyperplasia?

  • An increase in the size of cells in an organ or tissue
  • The process of cellular differentiation in an organ or tissue
  • The process of cell death in an organ or tissue
  • An increase in the number of cells in an organ or tissue (correct)

What type of hyperplasia occurs as an increase in tissue mass after damage or partial resection?

  • Hormonal hyperplasia
  • Presynthetic hyperplasia
  • Compensatory hyperplasia (correct)
  • Pathologic hyperplasia

In pregnancy, what contributes to the striking increase in mass of smooth muscle in the uterus?

  • Apoptosis
  • Hypertrophy and hyperplasia (correct)
  • Necrosis
  • Cellular differentiation

What is the cause of atrophy due to inadequate nutrition?

<p>Protein-energy deficiency (D)</p> Signup and view all the answers

Which of the following results in physiologic atrophy of endometrium, vaginal epithelium, and breast?

<p>Loss of estrogen stimulation (B)</p> Signup and view all the answers

What can cause atrophy by tissue compression for a length of time?

<p>Enlarging benign tumor (D)</p> Signup and view all the answers

Which type of atrophy is seen in tissues containing permanent cells such as brain and heart?

<p>Senile atrophy (C)</p> Signup and view all the answers

What is the term for the adjustment of cell structure and function to accommodate physiological or pathological stimuli?

<p>Adaptation (B)</p> Signup and view all the answers

In which type of cells do adaptive responses like hyperplasia and hypertrophy occur?

<p>Constantly dividing labile cells (C)</p> Signup and view all the answers

What term is used to describe a sequence of events that occurs when the limits of adaptive response to a stimulus are exceeded?

<p>Cell injury (A)</p> Signup and view all the answers

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