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Author Question: A 65-year-old female is diagnosed with metastatic breast cancer. She has developed muscle wasting. ... (Read 191 times)

neverstopbelieb

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on: Jun 25, 2018
A 65-year-old female is diagnosed with metastatic breast cancer. She has developed muscle wasting. Which of the following substances would be produced in large quantities to eliminate the tumor cells and cause muscle wasting?
 
  a. Interleukin-6
  b. Eosinophils
  c. Tumor necrosis factor-alpha
  d. Platelets

Question 2

When phagocytes begin to stick avidly to capillary walls, which process is occurring?
 
  a. Margination
  b. Exudation
  c. Integration
  d. Emigration


Ptupou85

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: C
Tumor necrosis factor causes muscle wasting. Interleukin-6 stimulates growth and differentiation of blood cells. Eosinophils are stimulated by parasites. Platelets stimulate clotting.

Answer to Question 2

ANS: A
Both leukocytes and endothelial cells secrete substances that increase adhesion, or stickiness, causing the leukocytes to adhere more avidly to the endothelial cells in the walls of the capillaries and venules in a process called margination. Exudation is the process of pus formation and does not result in stickiness. Integration occurs in cells but is not a major function and does not lead to stickiness. Emigration is similar to diapedesis and is not associated with increased stickiness.


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neverstopbelieb

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Reply #2 on: Jun 25, 2018
Thank you :)


Ptupou85

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Reply #3 on: Jun 25, 2018
Happy to help you


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