Noradrenaline synthesis, fate and metabolism Flashcards
The “rest and digest” system is the ___
Parasympathetic NS
The external stimulus for the activation of the SNS is?
Stress
what neurotransmitter is released by sympathetic postganglionic fibres to sweat gland
acetylcholine
The kidney is supplied by what parasympathetic nerve
None
the kindney only has sympathetic supply
The PNS decreases rate of contraction of the whole heart
T or F
F
it only decreases rate of contraction of atria
The Parasympathetic NS inhibits glycogenolysis
T or F
F
the PNS does not supply the glycogen stores of the liver
and the adipose tissue
what is the effect of SNS and PNS insulin and glucagon secretion?
SNS inhibits insulin release and stimulates glucagon release
PNS stimulates release of both
In which organ are the effects of SNS and PNS not opposing to each other
Salivary gland
Blood vessels have both SNS and PNS supply
T or F
F
only SNS and the only blood vessels that receives supply are the arterioles and veins
the adrenal gland has receptors for what kind of neurotransmitter
acetylcholine
Adrenal cortex produces what kind of hormone
steroid hormones
The enzymes for processing cholesterol in the adrenal cortex are found in what organelles
smooth ER and inner mitochondria membrane (tubulovesicular mitochondria)
cholesterol used in the adrenal cortex is mostly gotten from?
endocytosis of LDL
the cells of the adrenal medulla are called
pheochromocytes
about 80% of hormone released by adrenal medulla is?
adrenaline
