Selenium Thyroid and The Endocrine System

Selenium Thyroid and The Endocrine System

Discussion Questions

1. Acute Infectious Thyroiditis: Having recovered from a respiratory infection, a patient later presented with the following symptoms:

nervousness, irritability, tachycardia, weight loss, heat intolerance, increased appetite.

It is determined that he has a thyroid infection. Explain why he is experiencing these symptoms. Is this a primary or secondary cause? In a blood test, what would be the levels of TSH and T3/T4 – elevated, normal, or low?

2. Hemorrhagic Shock: A patient undergoes a seemingly successful, uncomplicated back surgery.

Approximately an hour after surgery, the patient complains about abdominal discomfort and it is noted that his abdomen is distended and that he is hypotensive and tachycardic.

It is discovered that he has significant bleeding into his abdominal cavity due to injury to the descending aorta.

Discuss the actions due to the following responses:

Sympathetic nervous system

Renin-angiotensin-aldosterone system

ADH

3.Blood Sugar: Insulin works to bring elevated blood sugar back to homeostatic levels.

While insulin is the only hormone that brings down blood sugar levels, there are many hormones that work to raise blood sugar.

List the hormones that cause an increase in serum blood sugar and discuss the conditions under which they would be activated.