Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 49, Problem 9TYU
Summary Introduction
Introduction: The endocrine system is the chemical signaling system that uses blood vessels as information channels. The endocrine glands are ductless organs located within the organ systems. They contain groups of endocrine cells that secrete their hormones directly into their surroundings.
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Answer the following in 2-3 sentences.
1. What effect does insulin have on glycogen metabolism?
2. What effect does glucagon have on blood glucose level?
3. What organ is the source of insulin and glucagon?
4. The hormone epinephrine generates a second messenger. Explain
5. Compare the target tissues for glucagon and epinephrine.
Marianne has type 1 diabetes. One day, after accidentally injecting herself with too much insulin, she starts to shake and feels confused. Following her doctor's suggestion, she drinks a glass of orange juice- a steady source of glucose- and soon her symptoms subside. What caused her symptoms? How would a glucose-rich snack help?
Marianne has type 1 diabetes. One day, after accidentally injecting herself with too much insulin, she starts to shake and feels confused. Following her doctor’s suggestion, she drinks a glass of orange juice—a ready source of glucose—and soon her symptoms subside. What caused her symptoms? How would a glucose-rich snack help?
Chapter 49 Solutions
Biology (MindTap Course List)
Ch. 49.1 - Prob. 1LOCh. 49.1 - Prob. 2LOCh. 49.1 - Identify four main chemical groups to which...Ch. 49.1 - Prob. 1CCh. 49.1 - Prob. 2CCh. 49.1 - Prob. 3CCh. 49.1 - Prob. 4CCh. 49.2 - Compare four types of endocrine signaling.Ch. 49.2 - Prob. 1CCh. 49.2 - Prob. 2C
Ch. 49.2 - Prob. 3CCh. 49.3 - Compare the mechanism of action of small,...Ch. 49.3 - Prob. 1CCh. 49.3 - Prob. 2CCh. 49.3 - What is the mechanism of action of a hormone that...Ch. 49.4 - Prob. 6LOCh. 49.4 - Prob. 1CCh. 49.4 - Prob. 2CCh. 49.5 - Identify the classical vertebrate endocrine glands...Ch. 49.5 - Prob. 8LOCh. 49.5 - Describe the actions of the thyroid and...Ch. 49.5 - Contrast the actions of insulin and glucagon, and...Ch. 49.5 - Describe the actions and regulation of the adrenal...Ch. 49.5 - Prob. 1CCh. 49.5 - Prob. 2CCh. 49.5 - Prob. 3CCh. 49.5 - Prob. 4CCh. 49.5 - Prob. 5CCh. 49 - A cell secretes a product that diffuses through...Ch. 49 - Prob. 2TYUCh. 49 - Prob. 3TYUCh. 49 - Prob. 4TYUCh. 49 - Prob. 5TYUCh. 49 - Prob. 6TYUCh. 49 - Prob. 7TYUCh. 49 - Prob. 8TYUCh. 49 - Prob. 9TYUCh. 49 - Prob. 10TYUCh. 49 - Prob. 11TYUCh. 49 - Prob. 12TYUCh. 49 - Prob. 13TYUCh. 49 - Prob. 14TYU
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- Figure 37.11 Pancreatic tumors may cause excess secretion of glucagon. Type I diabetes results from the failure of the pancreas to produce insulin. Which of the following statement about these two conditions is true? A pancreatic tumor and type I diabetes will have the opposite effects on blood sugar levels. A pancreatic tumor and type I diabetes will both cause hyperglycemia. A pancreatic tumor and type I diabetes will both cause hypoglycemia. Both pancreatic tumors and type I diabetes result in the inability of cells to take up glucose.arrow_forwardIt is noticed that when a strain of mice exercises, their blood glucose drops to very low levels. Which of the following can explain this situation? a) These mice do not make enough insulin b) these mice lack insulin receptors on their cells c)these mice lack glucagon d) these mice cannot synthesize glycogen from glucosearrow_forwardBlood glucose levels remain stable between meals despite the fact that the body's cells continually use glucose as an energy source. Answer the following questions on how the body maintains blood glucose at normal levels (90-100 mg/dL blood) between meals. Which cells respond to fasting? Which hormone do they produce? asap please.arrow_forward
- Glucagon: a. Increases glucose transport to skeletal muscle cells b. Increases glycogen synthesis in liver cells c. Inhibits gluconeogenesis in liver d. Increases cellular cAMP level e. Inhibits glucose synthesis in hypoglycemiaarrow_forwardWhich 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.arrow_forwardStephen is taking a new weight-loss supplement that is known to not only decrease the amount of adipose connective tissue (as advertised) but also decrease glycogen stores in the liver and cause breakdown of muscle protein (protein catabolism). What substance in this weight-loss supplement is responsible for these changes? a. growth hormone b. glucagon c. insulin d. cortisolarrow_forward
- Which of the following statements about insulin is not true? a. The insulin receptor has tyrosine kinase activity. b. Insulin increases fat synthesis in adipose cells. c. Insulin increases glycogen synthesis d. Insulin increases gluconeogenesis reactions.arrow_forwardSecretion of PTH is increased by: a. an increase in serum magnesium concentration b. an increase in serum phosphate concentration c. an increase in dietary calcium d. a decrease in dietary calcium e. treatment with thiazide diuretics Hyperparathyroidism results in: a. alkalosis b. hypercalcemia c. hyperphosphatemia d. hypophosphaturia e. hypocalcemiaarrow_forwardcortisol is responsible for adjusting homeostasis under conditions of chronic stress shuch as starvation wheich of the following is/are upregulated under the in fluence of cortisol duringthe chronic stress of starvation. A. the conversion of adipose and animo acids into glucose B.the converion of glycogen into glucose C. the addition of body fat D. the production of new tissues such as bone and connective tissuearrow_forward
- Which of the following concerning glucagon is TRUE? a. It is a hormonal protein that uptakes glucose and amino acids from blood. b. Its activity is up-regulated when blood glucose increases. c. It is a hormonal protein that up-regulates glycogenolysis. d. It decreases gluconeogenesis.arrow_forwardNancy suffers from insulin dependent diabetes Mellitus and is on insulin therapy. You administered her insulin dose orally and realized hours later that she is hyperglycaemic despite your administration of the right dose. Explain what might have led to thisarrow_forwardDefine the following terms: a. hyperosmolar hyperglycemic nonketosis b. insulin resistance c. JNK d. PKCθ e. PKCεarrow_forward
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