Insulin is secreted by Beta cells, which are found: O a. In the anterior pituitary. O b. In the adrenal cortex. In the islets of Langerhans. O d. In the pancreatic acini. e. Among the hepatic cells.
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- Which of the following is not correct for oral hypoglycaemic drugs?A. Stimulation of insulin synthesisB. Reduction of carbohydrate absorptionC. Inhibition of gluconeogenesisD. Stimulation of insulin releaseE. Anorexigenic effectInsulin should be prescribed under all of the following circumstances, except:A. Status post pancreatectomyB. Type 2 diabetes with diabetic foot syndrome C. Type 1 diabetesD. Gestational diabetesE. Type 2 diabetesAll of the following increase insulin secretion/production EXCEPT: Select one or more: a. Increased intracellular Ca²+ levels O b. Acetylcholine O C. Ghrelin O d. High carbohydrate meal e. Incretins O f. Sometostatin
- Which of these endocrine disorders is associated with the inability of the pancreas to produce insulin?a. diabetes insipidusb. Addison’s diseasec. Type 1 diabetes mellitusd. Type 2 diabetes mellitusAn increase of insulin level causes OA. A decrease in the concentration of blood glucose OB. A decrease in the permeability of cell membranes to glucose O C. An increase in the production of glucose from glycogen OD. None of these 2. Diabetes mellitus is characterized by O A. Glucose in the urine B. Excessive urine production C. Dehydration OD. All of these 3.Insulin-dependent diabetes mellitus is caused by A. Excess sugar in the diet B. Obesity C. A disorder of the immune system O D. An effect of aging 3.Insulin-dependent diabetes mellitus is caused by OA. Excess sugar in the diet OB. Obesity OC. A disorder of the immune system OD. An effect of aging 4. Treatment of noninsulin-dependent diabetes mellitus usually involves O A. Controlling the diet OB. Exercising regularly OC. Maintaining desirable body weight OD. All of these 5.Melanocyte-stimulating hormone, which regulates the formation of melanin, is produced by the A. Intermediate lobe of the pituitary gland OB. Anterior lobe of…Thyroid hormones have all of the following qualities, except:A. They activate synthesis of RNA and amino acidsB. They increase basal metabolismC. They inhibit erythropoesisD. They increase heat productionE. They stimulate insulin breakdown
- Which of the following medications does not have hyperglycemic effects (does not decrease insulin action)?A. CalcitoninB. Morphine sulfateC. NicotineD. BetadinE. Thyroid hormonesWhich of these is not an effect of PTH?a. rise in blood phosphate levelb. reduction of calcium excretionc. increased intestinal calcium absorptiond. increased number of osteoclastse. increased calcitriol synthesisWhich of the following medications does not have hyperglycemic effects (does not decrease insulin actions)?A. Calcium channel blockersB. Beta 2 agonistsC. PentoxifyllineD. H2 histamine receptor blockersE. Isoniazid
- Insulin is obligatory in the following states, except:A. Light course of type 2 diabetes mellitusB. Pregnancy in patients with type 2 diabetes mellitus C. Lactation in patients with type 2 diabetes mellitusD. Ketoacidosis in patients with type 2 diabetes mellitusE. Surgery in patients with type 2 diabetes mellitusWhich of the following statements concerning insulin is NOT true? O a. Insulin can increase glycogen synthesis. O b. C. O d. e. It is secreted by the beta cell of pancreas. The presence of insulin can increase glucose uptake. Glucose in blood can up-regulate its secretion. Insulin can increase gluconeogenesis.Which of the following statements concerning insulin is NOT true? a. Insulin can increase glycogen synthesis. b. The presence of insulin can increase glucose uptake. c. Insulin can increase the secretion of epinephrine. d. It is secreted by the beta cell of pancreas. e. Glucose in blood can up-regulate the secretion of insulin.