4. Cellular Adaptation

Question 1

Which of the main cellular adaptations we discussed occurs when cells have a limited capacity to divide, but still need to meet an increased functional demand? (MG) A. Atrophy B. Hypertrophy C. Hyperplasia D. Metaplasia

Answer 1

B. Hypertrophy

Question 2

Hyperplasia involves an increase in cell number. How does this differ from cancer? In cancer, cells divide excessively on their own, but in hyperplasia, the cells divide due to a signal from…. (MG) A. Proteins B. Transcription factors C. GPCRs on each cell’s membrane D. Hormones

Answer 2

D. Hormones

Question 3

A medical student is disecting a cadervor and takes a sample from a organ and examines it after staining this what he sees.

What is true of adaption to this tissue ?

A. it is caused by decreased blood supply

B. It occurs mainly in cells that have limited capacity to divide

C. It is stimulated by growth factors

D. The stem cells are reprogrammed

E. It is premalignat growth

RFA

Answer 3

Ans. C This is Hyperplasia- which is caused by growth factors that increase the number of cells, the slide show is of Benign Prostatic hyperplasia

A. describes Atrophy

B. describes Hypertrophy

D. Is metaplasia

E. would be dysplasia

Question 4

You are rounding at the hospital. On round you go into a patient room you haven’t visited before. The patient has a swollen leg. You daze off and then the addenant ask ,” what can you infer from the patient condition since his predominant leukocytes are marcophages?”

A. He is Elvis

B. His condtion should be characterized by exudate

C. His condition is associated with tissue destruction

D. His condition is only a few days old

RFA

Answer 4

Ans. C - high marcophages is a sign of chronic inflamation, acute neutrophils are the hallmark

A. Perhaps

B & D- Characteristic of acute inflammation