e.Incompetence of the pulmonic valve 22.Histological sections(routine H&E stain)of lung reveal the alveoli to be filled with pale,nongranular pink fluid.Neither leukocytes nor erythrocytes are present within this fluid.What is the most likely(i.e.,most common)cause of this abnormality？( a.Bacterial pne umonia Conge tive hea art failure Lymphatic ob ruction by tumor d.Pulmonary embolus e.Viral pneumonia 23.The Astler-Coller modification of the Duckes classification is used to classify cancers of the a.Colon b.Liver c.Lung d.Pancr e.Stomach 24.Familial polyposis coli is characterized by a.Autosomal recessive pattern of inheritance b.Mutiple hamartomatous polyps throughout the colon 100%risk of carci An association with fibromatosis and mutiple osteomas e.An association with tumors of the central nervous svstem 25.Which of the listed typesofcfound within the liver is the mjor soureof the excess collagen deposited in cirrhosis? Hepatocyte b.Kupffer cells c.Ito cells(hepatic stellate cells) d.Endothelial cells e.Bile duct epithelial cells 26.What is the most likely cause of the combination of generalized edema hypoalbuminemia.hypercholesterolemia,marked proteinuria,and fatty casts and fat bodies in the urine? a.Nephritic syndrome b.Nephrotic Acute renal failure d.Renal tubular defect e.Urinary tract infection e. Incompetence of the pulmonic valve 22. Histological sections (routine H&E stain) of lung reveal the alveoli to be filled with pale, nongranular pink fluid. Neither leukocytes nor erythrocytes are present within this fluid. What is the most likely (i.e., most common) cause of this abnormality? ( ) a. Bacterial pneumonia b. Congestive heart failure c. Lymphatic obstruction by tumor d. Pulmonary embolus e. Viral pneumonia 23. The Astler-Coller modification of the Duckes classification is used to classify cancers of the ( ) a. Colon b. Liver c. Lung d. Pancreas e. Stomach 24. Familial polyposis coli is characterized by ( ) a. Autosomal recessive pattern of inheritance b. Mutiple hamartomatous polyps throughout the colon c. 100% risk of carcinoma d. An association with fibromatosis and mutiple osteomas e. An association with tumors of the central nervous system 25. Which of the listed types of cells found within the liver is the major source of the excess collagen deposited in cirrhosis? ( ) a. Hepatocytes b. Kupffer cells c. Ito cells (hepatic stellate cells ) d. Endothelial cells e. Bile duct epithelial cells 26. What is the most likely cause of the combination of generalized edema, hypoalbuminemia, hypercholesterolemia, marked proteinuria, and fatty casts and fat bodies in the urine? ( ) a. Nephritic syndrome b. Nephrotic syndrome c. Acute renal failure d. Renal tubular defect e. Urinary tract infection