10 Questions
What is hyperplasia?
An increase in the number of cells in an organ or tissue
What type of hyperplasia occurs as an increase in tissue mass after damage or partial resection?
Compensatory hyperplasia
In pregnancy, what contributes to the striking increase in mass of smooth muscle in the uterus?
Hypertrophy and hyperplasia
What is the cause of atrophy due to inadequate nutrition?
Protein-energy deficiency
Which of the following results in physiologic atrophy of endometrium, vaginal epithelium, and breast?
Loss of estrogen stimulation
What can cause atrophy by tissue compression for a length of time?
Enlarging benign tumor
Which type of atrophy is seen in tissues containing permanent cells such as brain and heart?
Senile atrophy
What is the term for the adjustment of cell structure and function to accommodate physiological or pathological stimuli?
Adaptation
In which type of cells do adaptive responses like hyperplasia and hypertrophy occur?
Constantly dividing labile cells
What term is used to describe a sequence of events that occurs when the limits of adaptive response to a stimulus are exceeded?
Cell injury
Test your knowledge on cellular responses to stress and harmful stimuli, including the concept of adaptation and achieving a new steady state. Explore how cells adjust their structure and function in response to physiological or pathological stimuli.
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