What would happen if your patient did not have alpha cells of the pancreas?
They would not be able to secrete insulin.
They would not be able to secrete glucagon.
They would not be able to secrete somatostatin and gastrin.
They would not be able to secrete pancreatic polypeptides.
The Correct Answer is B
A. Insulin is secreted by beta cells of the pancreas, not alpha cells. Therefore, a lack of alpha cells would not affect insulin secretion.
B. Alpha cells of the pancreas are responsible for secreting glucagon, which helps raise blood glucose levels by promoting the release of glucose from the liver. Without alpha cells, glucagon secretion would be impaired.
C. Somatostatin and gastrin are secreted by delta cells and G cells, respectively, not alpha cells. Therefore, a lack of alpha cells would not prevent the secretion of these hormones.
D. Pancreatic polypeptides are secreted by F cells in the pancreas, not alpha cells. Therefore, a lack of alpha cells would not affect the secretion of pancreatic polypeptides.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Consolidation refers to the accumulation of inflammatory products, such as exudate, in the alveoli of the lungs, which is a hallmark finding in pneumonia. It appears as a dense, solid area on chest X-ray and indicates that the lung tissue has become filled with fluid, pus, and cellular debris.
B. Exudation is the process by which fluid and cells leak out of blood vessels into the surrounding tissues, which is part of the inflammatory response in pneumonia. However, consolidation is the specific diagnostic finding that results from exudation in pneumonia.
C. Pneumonia is the overall condition being described, but it is not the diagnostic finding itself. Consolidation is the key radiological and clinical finding in pneumonia.
D. Hemoptysis, or coughing up blood, can occur in some cases of pneumonia, but it is not a typical or defining diagnostic finding of pneumonia. It is more often associated with conditions like tuberculosis or lung cancer.
Correct Answer is B
Explanation
A. Metabolic acidosis is characterized by a low pH and a decrease in bicarbonate, but it is not typically associated with hypokalemia. In fact, acidosis may cause potassium to shift out of cells, increasing serum potassium levels.
B. Metabolic alkalosis is often associated with hypokalemia because the body compensates for alkalosis by shifting potassium into cells, leading to a lower serum potassium level. This is commonly seen with conditions like vomiting or the overuse of diuretics.
C. Hyperchloremia refers to elevated chloride levels, which may be associated with metabolic acidosis, but it is not directly linked to hypokalemia.
D. "None of the above" is incorrect because metabolic alkalosis is a known condition associated with hypokalemia.
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