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Ch. 16 The Endocrine System

Chapter 16, Problem 16.1a

Predict the effects of a pancreatic tumor that secretes insulin. How would the effects change if the tumor secreted glucagon instead?

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Everyone. Let's take a look at this question together, an abnormally high glucagon level would lead to what is it? Answer choice. A increased cellular glucose absorption, answer choice B decreased insulin secretion. Answer choice C increased blood glucose levels or answer choice. D all of the above. Let's work this problem out together to try to figure out which of the following answer. Choices best explains the consequence of abnormally high glucagon levels. So in order to solve this question, we have to recall what we have learned about glucagon and how abnormally high glucagon levels would affect the body. And we can recall that abnormally high glucagon levels can be caused by pancreatic tumors such as gluco noma and some symptoms of having gluco noma. And abnormally high glucagon levels includes necrotic migratory erythema, reduced amino acids and hyperglycemia, which we know that the term hyperglycemic refers to high blood glucose levels. So an abnormally high glucagon level would result in answer choice C increased blood glucose levels since an abnormally high glucagon level can result in hyperglycemia which is high blood glucose levels. So answer choice C is the only correct answer choice. I hope you found this video to be helpful. Thank you and goodbye.
Related Practice
Textbook Question

Which of the following correctly describes the functions of the endocrine system?


a. Transport of blood through the body and through the lungs

b. Regulation of body functions through hormone secretion

c. Regulation of body functions through nerve impulses

d. Immunity and returning extra tissue fluid to the blood vessels

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Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.


a. The cells of the nervous system communicate via action potentials, whereas the cells of the endocrine system communicate via hormones.

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Textbook Question

Fill in the blanks: A rise in free T3 and T4 would be expected to produce a(n)______ in TRH and TSH secretion. A decrease in free T3 and T4 would be expected to produce a(n)_____in TRH and TSH secretion.

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Textbook Question

Ms. Reczkiewicz has her thyroid gland removed to treat hyperthyroidism. Her condition is stable after surgery, but one day later she develops symptoms of severe hypocalcemia. What has happened? How would you correct this problem?

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Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.


b. Autocrine signals affect the same cells that secrete them.

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Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.


c. The pancreas, thyroid gland, and parathyroid glands secrete neurohormones.c

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