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Diuretics-prevent the reabsorption of water and
certain electrolytes. They may also cause increased
frequency do to increase in urine production
What are the effects of
diuretics, cholinergic, and Cholinergic- stimulate the contraction of the
analgesics/tranquillizers detrusor muscle, producing urination
on urine production and
elimination? Analgesics & tranquillizers- suppress the CNS,
diminish effectiveness of neural reflex and can relax
the urethra leading to more frequent urination or
stress incontinence.
filter blood and remove unwanted substances,
secreting waste into the urine, while also
What do kidneys do?
maintaining the proper balance of electrolytes and
fluid volume needed for homeostasis
long thin tubes made of
smooth muscle that push urine
Ureters
from kidneys to bladder
, in the nephrons each kidney has about 1 million
nephrons.
In the nephron a glomerulus (tiny blood vessel or
capillary) intertwines with urine collecting tube
Where does the actual
called tubule
filtering in the kidneys
occur?
The tubules receive a combo of waste materials and
chemicals that the body can still use.
Kidneys measure out chemicals like sodium,
phosphorus, and potassium back into the blood
Muscle of the bladder, both
expands to accommodate
detrusor muscle
urine and contracts to expel
urine, made of smooth muscle
autonomic nervous system. the sympathetic system
carries inhibitory impulses to the bladder and motor
impulses to the internal sphincter
What is the urinary
bladder is innervated by? the parasympathetic systems carries motor impulses
to the bladder and inhibitory impulses to internal
sphincter. these cause the detrusor muscle to
contract and the sphincter to relax.
How much urine is in the 150-250mL
bladder before a person
feels the desire to
urinate?
What factors effect the Food & fluid intake, age, bladder capacity,
frequency of urinary medication, medical conditions, gender
elimination?
Diabetes
What kinds of medical UTI's
conditions can contribute Stroke: reduces muscular control
to urinary frequency? Anxiety
Overactive bladder