Renal

Question 1

What are the two different types of nephrons?

Answer 1

cortical (superficial? nephrons and juxtamedullary nephrons that go deep into the pelvis

Question 2

What is the function of the macula densa cells?

Answer 2

detect changes in the sodium levels via NKC22 transporters

Question 3

What is the function of granular cells?

Answer 3

synthesise and they excrete renin

Question 4

What are the four main mechanisms that are involved in the regulation of the glomerular filtration rate?

Answer 4

myogenic regulation
tubuloglomerular feedback
RAAS
systemic nervous system

Question 5

Where does ADH come from and what triggers it’s release?

Answer 5

ADH is synthesised in hypothalamus and is stored in posterior pituitary gland and is released in response to baroreceptors. The strongest stimulus for ADH is an increase in the osmolarity of extracellular fluid