BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 31, Problem 3CT
Summary Introduction
To determine:
The reason due to which the effect of too much insulin on a diabetic can be reversed by an injection of glucagon.
Introduction:
Communication among the cells of the body in a living organism is facilitated with the help of the endocrine system. Animal hormones travel through the blood and assist this communication. The pancreas has a cluster of endocrine cells known as pancreatic islets.
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Students have asked these similar questions
(human physiology)
1) Match the insulin types (1-3) with the plots (A-C)? Explain?
2) Oral administration (e.g. in the form of pills) of insulin and subcutaneous administration, which is more effective? Why?
3) Why are elderly, sedentary, obese and regular smokers at high risk of diabetes?
Insulin gives a signal to inactivate hormone-sensitive lipase by dephosphorylation. TRUE/FALSE
The hormones insulin and glucagon play an important role in the regulation of plasma glucose.
b) People with Type II diabetes mellitus can manage their condition (maintain adequate glycaemic control) through use of oral hypoglycaemic drugs. Provide a rationale for how two hypoglycaemic drugs, with different mechanisms of action, can both work to lower blood glucose levels in Type II diabetes.
Chapter 31 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
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Similar questions
- 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_forwardAddisons disease develops when the adrenal cortex does not secrete enough mineralocorticoids and glucocorticoids. President John F. Kennedy was diagnosed with the disease when he was a young man. Before he started treatment with hormone replacement therapy, he was hypoglycemic and lost weight. Which missing hormone was responsible for his weight loss? How might Addisons disease have affected his blood pressure?arrow_forwardCompare and contrast INSULIN and GLUCAGON using a Venn diagram.arrow_forward
- A certain type of tumor results in the overproduction of glucagon. Researchers claim that treatment with insulin can counteract the effects of the excess glucagon . Provide reasoning to justify the researchers' claim.arrow_forwardDescribe the mechanism of action of insulin. Based on the MOA, when would insulin be contraindicated?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_forward
- Describe the function of the insulin molecule in the body.arrow_forwardExplain the actions of two hormones of the islets of Langerhans on the level of glucose in the blood. What is the consequence of insulin insufficiency or insensitivity as in the disease diabetes mellitus?arrow_forwardWhy would a cause of hyperinsulinism be hypoglycemia? Don’t lower levels of blood glucose inhibit of insulin rather than produce large amounts of it to result in hyperinsulinism?arrow_forward
- Does insulin stimulate receptors in the liver? True or false. Explain.arrow_forwarddescribe the multiple actions of insulin.arrow_forwardWhich of the following medications does not have hypoglycemic effects (does not augment insulin activity)?A. Glicised (Glicinum)B. SalicylatesC. SulfanilamideD. EthanolE. Fluoxetinearrow_forward
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