Lab 7 Flashcards
(22 cards)
What does the blood sugar level mean?
The concentration of all monosaccharides present in the blood (generally used for glucose only)
At what age do ungulates have only fructose in their blood?
In foetal ages and right after birth
What’s the blood sugar level for mammals? (Except ruminants)
4-5 mmol/l
What’s the blood sugar level for ruminants?
2-3 mmol/l
What’s the blood sugar level for birds?
8-9 mmol/l
What three organs require a high quantity of sugar for energy supply?
Muscle, brain and kidney
What are three ways for the the body to maintain the blood sugar level?
- Absorption from intestines
- Glycogenolysis in the liver (glycogen -> glucose)
- Gluconeogenesis in the liver
Where is insulin produced?
Pancreas beta cells
Where is glucagon produced?
Pancreas alpha cells
Where is epinephrine produced?
Adrenal medulla
What does insulin increase?
Glycogenesis
Glycolysis
Glucose uptake by cells (GLUT-4)
What does insulin decrease?
Glycogenolysis
Lipolysis
Gluconeogenesis
What does glucagon increase?
Glycogenolysis
Gluconeogenesis
What does glucagon decrease?
Glycogenesis
Glucolysis
Does insulin increase or decrease blood sugar?
Decrease
Does glucagon increase or decrease blood sugar?
Increase
Does epinephrine increase or decrease blood sugar?
Increase
Where are glucocorticoids produced?
Adrenal cortex
Where are growth hormones produced?
Adenohypophysis
Where is ACTH produced?
Adenohypophysis
What does growth hormone increase?
Lipolysis
What does ACTH increase?
Glucocorticoid production of adrenal cortex
