NSC 232 EXAM 3 Flashcards
kidneys?
- most people have 2.
- they are bean shaped and are located at 11th and 12th rib area.
- about the size of an orange
- weigh 150g
- Form and produce urine
Ureters
- connects kidneys to the bladder.
- muscular tubes that propel urine through a periostolic movement.
- have nerve endings
Bladder
- 2 spinchters where ureters connect that close in order to prevent reflux of urine
- have stretch receptors that detect the stretch of the bladder wall and send a signal that it is time to void.
Urethra
- small tube that drains the urine from the bladder to the outside of the body
- Female: 1.5 in
- Male: 8 to 9 in
Void
discharge or emit urine
Urination
medical term for evacuating the urine from the bladder
Micturition
discharge of urine from the bladder
how much volume can bladder hold?
250-450 mL
What is the final control of the bladder?
Cerebral cortex
Process of micturition
Urine collects in the bladder, pressure stimulates receptors in the bladder wall.
The receptors transmit impulses to the spinal cord
Internal and external spinchters relax, pushing urine through the urethra.
What are the factors that affect elimination?
Lifestyle factors Psychosocial Activity & exercise Developmental factors Physiological factors
What is the normal color and odor of urine?
Normal- yellowish and clear, faint smelling
Abnormal- orange or reddish and cloudy, strong smelling
URINE SHOULD BE FREE OF MICROBES
Range of pH of urine?
4.5-8
Specific gravity range
1.010 to 1.0125
Things that should not be in urine
- glucose
- ketone bodies (made by breakdown of muscle)
- blood
Dysuria
discomfort, pain, or burning when urinating
Oliguria
small amounts of urine, typically less than 30 mL/hr or 500mL/day
Anuria
Absence of urine
less than 100 mL/day
Polyuria
Large amounts of urine
more than 2000mL/day
Enuresis
Involuntary urination while sleeping
Urinary obstruction
Blocking urination
Kidney stones, sludge, swelling
Urinary Tract Infection (UTI)
Caused by bacteria entering the urinary Tract
- frequent urge to urinate, burning while urinating, pelvic pain, strong smelling Urine
Urinary Incontinence
Involuntary urination
Retention
Abikily to hold in urine
Urinary diversion
Surgical procedure to reroute urine