Local hormones which have their effect on the neighboring cells
Important in metabolism of carbohydrates
Part of endocrine system important in metabolism
Hormones which are synthesis from platelets
Most of the hormones are
Chemical substances secreted by all the cells in the body
Synthesized from amino acids and steroids
Chemical substances which binds to endoplasmic reticulum and increase the synthesis of lipids
Only effect the target cells at the cell membrane surface
All of the above
Average half life of hormones in the blood is usually brief from fraction of
Minutes to 60 minutes
Seconds to one minute
A day to 30 days
Hour to one day
Atrial natriuretic peptides are produced by the atria of the heart
True
False
The sinoatrial (SA) node region of the right atrium is the normal pacemaker of the heart because this region
Demonstrates spontaneous electrical activity
Depolarizes to threshold after other cardiac regions
Has a very long lasting action potential
All of the above
Which of the following pockets of cells are responsible for the production of secretin
Heart
Kidneys
Stomach
Small intestine
Large intestine
Which of the following correctly describe the difference between the circulating hormones and local hormones?
The circulating hormones have a shorter half life compared to local
The circulaing hormones have their affect on the neighboring cells but locals do not
The circulating hormones are not present in the blood but local hormones are
The circulating hormones have a longer half life compared to local
None of the above
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