A 45-year-old woman comes to her physician complaining of nervousness and an unexplained weight loss of 25 pounds over the last 3months, despite that she is not dieting or exrcising. On her physical examination, the doctor notices protruding eyes, her skin is moist andwarm and her fingers have a tremor. Compared to a normal individual, the biopsy of her thyroid gland would most likely reveal which of thefollowing?O a. A decrease in the size of the follicular cellsO b. Decreased evidence of lysosomal activityO c. Decreased number of reabsorption lacunaeO d. A decrease in the cross-sectional area occupied by the colloidO e. Decreased evidence of endocytosis

The thyroid is a kind of butterfly-shaped small gland that is present in the front region of the…

Answered: omplaining of nervõushess ale tien th

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter31: Endocrine Control

Section: Chapter Questions

Problem 12SA

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Addisons 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?
Figure 37.14 Hyperthyroidism is a condition in which the thyroid gland is overactive. Hypothyroidism is a condition in which the thyroid gland is underactive. Which of the conditions are the following two patients most likely to have? Patient A has symptoms including weight gain, cold sensitivity, low heart rate, and fatigue. Patient B has symptoms including weight loss, profuse sweating, increased heart rate, and difficulty sleeping.
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.
A __________ is synthesized from amino acids and cannot diffuse across the plasma membrane. a, steroid hormone b. protein hormone c. peptide hormone d. both b and c
A physician sees a patient whose symptoms include sluggishness, depression, and intolerance to cold. After eliminating other possible causes, the doctor diagnoses a hormone problem. What disorder fits the symptoms? Why does the doctor suspect that the underlying cause is a malfunction of the anterior pituitary gland?
A physician examines a patient who reports that he has experienced excessive sweating, irritability, and feverish episodes. Assay of hormones in blood reveal that thyroid hormone levels are abnormally high, and TSH levels are low. An RAIU (radioactive iodine uptake scan) reveals a hot spot on the thyroid, indicating a localized region of intense iodine uptake. What do you predict that this patient’s diagnosis will be? How would you attempt to treat such a condition?
What potential adverse effects may be expected following long-term use of 131I for the treatment of hyperthyroidism?A. HypothyroidismB. Suppurative thyroiditisC. Thyroid storm. D. Toxic multinodular goiterE. Autoimmune thyroiditis

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