BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Question
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
Insulin is a peptide hormone that is lacking from the body in some forms of diabetes mellitus. Why do people with this type of diabetes inject insulin rather than consuming an insulin pill?
Hyperinsulinism, the result of an excessive insulin dose or an insulin-secreting tumor, can result in brain damage. Explain.
Glucose regulation by insulin would be impaired by ablation of the ________.
Islets of Langerhans
the pancreas
adrenal medulla
thyroid gland
adrenal cortex
Chapter 31 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
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- Cells of an overactive thyroid can be killed by radioactive iodine. Explain why the thyroids hormone-producing cells take up more radioactive iodine than other cells of the body.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_forwardAdrenal steroids that regulate glucose metabolism are collectively called _____.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_forwardWhich 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_forwardSomeone is born without the ability to create insulin. Describe and explain the effect this would have on their ability to maintain homeostasis of blood glucose.arrow_forward
- In patients with type 2 diabetes, cells no longer respond to the hormone insulin. What change has likely occurred in these cells to make them insulin resistant?arrow_forwardCompare and contrast INSULIN and GLUCAGON using a Venn diagram.arrow_forwardWhen insulin is secreted from the pancreas and acts on muscle cells to increase glucose uptake, this is an example ofarrow_forward
- The source of insulin in the body is the Pancreas Liver Brain Stomacharrow_forwardIn order to help Mike understand, explain how the rate of insulin release differs after consumption of simple andcomplex carbohydrates. You may choose to answer with words or a labeled diagram Now use your table to explain to Mike why elevated insulin levels are associated with heart disease.arrow_forward
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