Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
Please answer all its not graded
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6. Are there any other symptoms she is likely experiencing that are not listed here?
7. What do you think is the underlying cause of all these symptoms in Barbara? What is wrong with her?
8. A TRH stimulation test involves measuring basal TSH levels and then measuring again after an injection of TRH.
This test is often not necessary for thyroid patients, but would it be beneficial in diagnosing Barbara's condition?
Explain why or why not.
9. Some patients with thyroid or thyroid hormone problems develop a goiter. List two possible causes of this goiter.
10. Barbara does not have a goiter at the moment. If her condition continues unchecked will she develop one?
11. Extrapolate the knowledge you have of the hypothalamic-anterior pituitary-thyroid axis to explain how anabolic
steroid (testosterone) abuse would lead to testicular atrophy.
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бу
Matthew J. Van Sant
Department of Agriculture, Biology and Health Sciences
Cameron University, Lawton, OK
Partl-Feedback and Dysfunction
Questions
1. Explain negative feedback in your own words, then diagram an example, either biological or non-biological, that
illustrates the concept.
2. Explain positive feedback in your own words, then diagram an example, either biological or non-biological, that
illustrates the concept.
3. Draw the hypothalamic-pituitary-thyroid axis showing negative feedback control points.
iLC &
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