Wk 5 Endocrine Glands- Hormones Flashcards
0
Q
Negative feedback is a corrective mechanism that opposes or negates a variation from normal limits
The endocrine system is mainly controlled by negative feedback
True or false.
A
It’s trueeeeeeee
1
Q
Explain positive feedback control
A
Itssssss a mechanism that increases a deviation from normal limits after an initial stimulus
2
Q
What are some examples of negative feedback
A
- regulation of blood glucose by insulin and glucagon
- regulation of production of the thyroid hormones , T3 and T4
3
Q
What are two hormones that are produced by the pancreas
A
Alpha ( cells secret glucagon) and beta (cells secrete insulin)
4
Q
The thyroid gland produces three hormones, what are they
A
Tri-iodthyronine (t3) and thyroxine (t4) and calcitonin
5
Q
Why are t3 and t4 hormones important
A
They are metabolic and are for thermoregulation too
