Which of the following classes of compounds stimulates the release of insulin from pancreatic β-cells? a. Thiourylenes b. Biguanides c. Progestins d. Sulfonylureas e. α-Glucosides inhibitors

1a) In a healthy mammal, which one of the following will lead indirectly to increased production of glycogen in liver cells? A. a reduction in insulin output B. a high glucose content in the diet C. an increase in thyroxine production D. a reduction in the amino acid concentration in the blood B) What effect would be caused by cutting the sympathetic nerve fibres to the heart? A. a decrease in the heartbeat rate B. a decrease in the length of the diastole phase C. a decrease in the length of the systole phase D. a decrease in the stroke volume c) If the nerve fibres within the septum are damaged, which phase of the cardiac cycle will be affected? A. ventricular diastole B. ventricular systole C. atrial systole D. atrial diastol

Which of the following is a sign of diabetic ketoacidosis? Select one: A. Dysuria B. Diabetic foot C. Hypoglycemia D. Insulin shock E. Frequent and deep respiration O O

3.On clinical examination of54-year-old woman the tumor of adrenal cortex was revealed. The glucoselevel in blood was increased. What is the main cause of hyperglycemia in this case? For answer:a)indicatethe hormone, which is elevated in the blood of patient;b)discuss this hormone synthesis and themechanism of signal transduction in target tissues; c)describe the metabolic pathways can be stimulated by this hormone in liver.

Insulin preparations can have the following durations of action:A. Fast and longB. Fast, medium and longC. Polar, non-polar, neutralD. Very fast, fast, medium and longE. Subpolar, polar, non-polar

Ptyalin is an enzyme produced in the: A. salivary glands B. pituitary glands C. thyroid glands D. pancreas

No significant rise in blood glucose was observed in  sheep injected with saline. This observation was important becasue... Select one: a. Saline does not stimulate the release of glucose b. It demonstrated the sheep were not stressed during the experiment c. It showed the sheep had been starved for 24h prior to the experiment d. It showed stress has no effect on blood glucose concentrations in sheep e. Natural catecolamines have no effect on gluconeogenesis

Epinephrine binding allows the "fight-or-flight" response. Think about how this would differ from insulin binding. In the muscle, what would you expect for pathways use of glucose 6-P? Select all that apply.    a. Glycogen breakdown is activated to produce glucose 6 - phosphate b. Glucose 6-phosphatase is activated to allow glucose release from muscle cell c. Pyruvate kinase is stabilized in the T-state d. Glycogen synthesis is activated e. PRK is stabilized in the R-state, glycolysis is activated

Pellagra is caused by the deficiency of: a.Niacin b.Thiamin c.Riboflavin d.Pyridoxine

Which of the following caused your patient’s hyperglycemia?a. treatment for anaphylactic shock (systemic anaphylaxis)b. the presence of Glut-2 on beta cells in the pancreasc. the secretion of amylind. the presence of Glut-4 on adipose tissuee. hyponatremia