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Biology questions with citations

ed causing nutritional deficiencies; secondly, cystic fibrosis may cause a form of intestinal blockage known as meconium ileus in babies born with the disease (Genetics Home Reference); thirdly, thick mucous may block the bile ducts in the liver causing swelling, inflammation and eventually, cirrhosis; and lastly, the thick secretions may block the gall bladder. These digestive problems may also cause a variety of nutritional problems including anemia, rickets, bleeding disorders and even diabetes (Cedars-Sinai).
The reproductive system is also not spared from the deadly effects of cystic fibrosis. In men, the mucous blocks the vas deferens, or the tubes that carry sperm (Genetics Home Reference), thus causing sterility in about 95% of the men (Cedars-Sinai).
An endoscope is an optical instrument with a camera at the end and is inserted into the urethra, mouth, anus or a surgical cut in order to get a closer look at the internal organs such as the throat, esophagus, lungs, bladder, ovaries, or colon (MedlinePlus).
Metabolic syndrome is a group of risk factors that are believed to increase one’s chances of having a heart disease, stroke, and diabetes. Besides abdominal fat, four other problems associated with metabolic syndrome include damage to the lining of the coronary artery and other arteries, thus greatly increasing the risk of heart disease of stroke; an increased incidence of blood clot formation causing arterial blockage and eventually causing heart attacks and strokes; changes in the efficiency of the kidney in removing salt, causing high blood pressure; and a reduction in the production of insulin, thus signaling the start of type 2 diabetes (Cleveland Clinic).
Besides abdominal fat, two other factors believed to increase the risk of metabolic syndrome, according to the WHO, include high insulin levels, which refer to elevated post meal glucose or elevated fasting blood glucose (Medicine.net); and HDL level of less than 40 mg/dl for men or below 50 ...Show more

Summary

Cystic fibrosis is a disease of mucous glands characterized by the production of an abnormally thick and sticky mucous along the linings of the digestive, reproductive and respiratory systems (Genetics Home Reference).
The digestive system is affected by cystic fibrosis in…
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