Parathyroid hormone (PTH) has a significant role in calcium homeostasis in humans. A rise in PTH lev

1. In which experiment was the hormone glucagon used?
 
* I have attached a picture for question 1




2. Parathyroid hormone (PTH) has a significant role in calcium homeostasis in humans. A rise in PTH levels stimulates all the following except
 
a)the breakdown of bones and teeth to release calcium into the blood

b) the increase in absorption of calcium from the intestines to raise calcium levels

c)the increase in absorption of calcium ions by kidney nephrons

d)the deposition of calcium into bones and teeth making them strong and healthy

3. The effect of epinephrine (adrenaline) is similar to stimulation of the

a) sensory-somatic nervous system

b)sympathetic nervous system

c)parasympathetic nervous system

d)central nervous system