What is the major risk factor for developing COPD in old age?
A. A high fat diet
B. Alcohol abuse
C. Genetic predisposition
D. Lack of exercise
E. Smoking
E. Smoking
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A 45-year-old patient was admitted to the hospital with a diagnosis of cirrhosis of the liver. He is thin and malnourished. His abdomen is very large due to an accumulation of fluid in the abdominal cavity. His lower extremities are very swollen. Explain why these changes have occurred.
What will be an ideal response?
An important function of the placenta is to serve as an anatomical barrier against maternal immune cells
Indicate whether the statement is true or false
Define stellate macrophages, and indicate their functions
A) liver macrophages which breakdown and phagocytose excess bile B) liver macrophages which synthesize bile C) gallbladder macrophages which breakdown and phagocytose excess bile D) liver macrophages which engulf pathogens, cell debris, and damaged blood cells E) liver macrophages which adjust circulating levels of nutrients through selective absorption and secretion
Which one of the following is NOT true of the lungs?
A) The narrower portion of each lung is called the apex. B) The bases rest on the diaphragm. C) The left lung has two lobes. D) The right lung has three lobes. E) Both lungs have two lobes.