NUR 1140 Nursing Pharmacology
Test #3 Review
This is a general review for the test.
It is not all inclusive.
There may be other items included on
Regulation of calcium by the body; parathyroid, parathyroid hormone, kidneys, calcitonin
Hypothalamus and pituitary – know function of each
is coordinating center “master gland” of nervous system and endocrine system. It
maintains homeostasis by analyzing input from periphery and CNS, and coordinating responses
through ANS, endocrine and nervous system.
It controls body temperature, thirst, hunger, water
retention, BP, respiration, reproduction and emotional reactions.
controls hormone functions such as our thyroid activity, growth during childhood, urine
production, testosterone production in males and ovulation and estrogen production in females,
lactations, hair growth. It produces hormones, endorphins and enkephalins and stores two
Characteristics of hormones:
produced in small amounts
secreted to bloodstream
travel to and react with specific receptors within the body
increase or decrease normal metabolic processes in the cells
immediately broken down
How do hormones act?
Some hormones react with specific receptor sites on a cell membrane to stimulate the
nucleotide cAMP, they react quickly, i.e. insulin.
By entering the cell and reacting with receptor sites inside the cell to chamge mRNA,
which enters cell nucleus, affects cell’s DNA and in long term affects the function of the cell, i.e.
Where are hormones produced and what are the hormones?
i.e. parathyroid –
parathormone, thyroid – calcitonin
Hormones are chemical messengers working within the endocrine system to communicate within
– estrogen, progesterone
– cortisol, aldosterone
– thyroid hormone, calcitonin
– insulin, glucagon, somatostatin
Intestines- secretin, cholecystekinin
Kidney –erythropietin, rennin
Stomach - gastrin