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71. An ideal tumor maker should be absent in healths people and becomes detectable in cancet states. a. True b. False 72. Tumor markers are usually used for a. Screening a certain population for a specific cancer b. Prognosis or evaluation of the outcome of a cancer c. Monitoring response to therapy. d. All of the above 73. Alpha-fetoprotein a. Usually produced by fetal liver and switched off after birth b. Usually expressed in tumors like hepatocellular carcinoma c. Has no known function in adults d. All of the above are correct 74. CA-125 is an accepted serologic marker of stomach cancer. a. True b. False 75. Carcincembryonic cancer is widely used as a marker of colorectal cancer. a. True b. False 64. Diabetes mellitus can devrilop in the following case/s a. Tumors of f cells of pancreas b. Tumor of the alpha-cells of pancreas c. Tumors of the Beta-cells of pancreas d. Tumors of the Gamma-cells of t pancreas 65. In pancreatitis, the following findings are likely, except a. Steatorrhea b. Abdominal bloating c. Stomach cancer d. Reduced or abolished absorption of vitamin K. 66. An 8 -vear cld boy complained of frequent fever and fallure to grow. The boy experienced three bouts of pneumonia in the last 2 years and chronic bronchitis that resulted in thick and yeliow mucoid sputum. He had 34 bulky foul-smelling stool. The most likely diagnesis of this patient is 2. Acute pancreatitis b. Chronic pancreatitis c. Crstic fibrosis d. Zolinfer-Elison syndrome 67. Aefer to the case in previous question (f\#66): additional tests that are needed to confirm the diaknosis, includes a. Sweat chloride test b. Fecal llpids c. Aoth a and b 68. D-riose absorption test is used to a. Diagnose Stomach cancer b. Differentiate malabjorption of inteatinal disease from exocrine pancreatic disease c. Diagnose Lactene intolerance d. Diagnose obstruction of tile ducts 69. Tumor markets are tested in the tab foe the detection or monitoring of cancer. a. True b. False 70. Tumor mariers include all of the followire except a. Entymes b. Serum proteins c. Hormones d. Bectrolvtes e. Receptor proteins 43. Chorionic villus sampling is preferable compared to ampiotic fluid analynis because a. It can be done during the 11114 weeks of cestation b. it is more accurate c. t is less invasive d. It is much easily analyeed compared to amniotic fiuid. 44. What is the preferred specimen for glucose analyis a. EDTA plasma b. Fluoride oxalate plasma c. Heparinized plasma d. Serum 45. Insulin release is inhibited by a. Hypoglycemia b. Somatostatins c. Hyperglycemia d. Both a and b 46. Antibodies to insulin a. Usually are detected in type 2 DM b. Stimulate insulin release c. Increase sensitivity to insulin d. None of the above is correct 47. The following hormones affect plasma glucose level, except a. Glucagon b. Epinephrine c. cortisol d. ADH 48. in type 10M, the following occurs, except a. Citric acid cycle is suppressed b. Givcolysis is stimulated by elevated levels of glucagon c. Upolysis is stimulated d. Glycogenolysis is stimulated 49. Diabetic ketoacidosis a. A feature of type 1DM b. Can be fourd in some patients with type 2. DM c. It is determined by measuring urine D-acetoacetate d. All of the above are correct
