Case study 1 | Anatomy homework help
5. What is a goiter and how are these structures formed?
Part III – Thyroid Trouble Once again, Ellie sat in the exam room, eating her favorite salty snack, waiting on Dr. Simmons. He flew in the door, grabbed a stool and, to Ellie’s relief, got right to the point. “Well, your blood work does show some problems with your thyroid. Your TSH levels are lower than they should be, your T4 levels are a bit high and your T3 levels are very high. Tose results suggest that you might have Graves’ disease, which means that your thyroid is releasing too much thyroid hormone. Since thyroid hormones are responsible for your metabolic rate, that explains why your heart rate and blood pressure are elevated, why you’ve felt nervous and can’t sleep, and why you’ve lost weight even though you aren’t dieting.” Ellie’s mind whirled. “Sooooo, could this also be why I can’t concentrate when I try to study and why I can’t seem to remember anything?” Maybe there was still some hope for her in Dr. Kern’s physiology class. “Well, maybe,” Dr. Simmons answered. “Some studies suggest that excess thyroid hormone is correlated with decreased attention, concentration, and working memory. In other words, your thinking might not be as clear as it should be. However, other experts argue that it’s the anxiety and nervousness that cause patients to feel their thinking is impaired, even though there is no actual impairment. Te good news is that with treatment patients report an improvement in their cognitive abilities, regardless of the underlying cause.” Ellie felt a twinge of relief. “Oh, good! Tat will certainly help my grades. But why is my thyroid releasing too much hormone? And you said my TSH levels were low. Isn’t TSH a thyroid hormone? If my thyroid is too active, shouldn’t it be high instead of low?” Ellie has just asked some very good questions. If you were Dr. Simmons, how would you answer her?
Questions
.What is causing Ellie’s thyroid to secrete too much hormone? (Use your textbook to answe .Is Ellie correct in thinking that TSH is a thyroid hormone? Why is her TSH level low instead of high? “It’s Just Stress, Right?” by Sheri L. Boyce Page Dr. Simmon decides to take a surgical biopsy of Ellies thyroid gland. The result revelead that Ellies thyroid gland is normal. Questions 1. Using the thyroid gland image to the left. Identify the following structure: Thyroid Gland (Use your textbook to answer this question) “It’s Just Stress, Right?” by Sheri L. Boyce Page