urinary system Flashcards
(20 cards)
What is the function of the kidneys?
clean blood
What is the function of the bladder?
stores urine
What is the function of the nephron?
filter blood
What do we call the outermost portion of the kidneys? and innermost
Cortex
Medulla
What surrounds the kidneys
Renal Capsule
How do the two urethral sphincters differ
- internal/involuntary/smooth muscle
- external/voluntary/skeletal muscle
What is micturition?
emptying the bladder
glomerulus
-filtration
proximal convoluted tubule
reabsorption & secretion
loop of Henle
reabsorption of water & salts.
distal convoluted tubule
-reabsorption & secretion
collection tubule
collects urine from the nephron and sends it on to the pelvis
5 things that should not be in urine?
RBCs, WBCs, hemoglobin, bile, glucose & blood proteins
What is the trigone
triangular shaped area in the bladder where the 2 ureters enter and the urethra
leaves
Who is the best kidney donor?
sibling
Kidney dialysis occurs on the average of how many times a week for how long
3 times for 4 hours
What is incontinence?
inability to control urine flow or the sphincters
What is urinary retention
inability to void urine
Which hormone is important in urine excretion?
antidiuretic hormone (ADH)
How does the metabolic waste travel from the glomerulus capsule to the urethra?
glomerulus > bowman’s capsule > P.C.T. > Loop of Henle > D.C.T. > collecting ducts (
which make up the pyramids) > calyx > pelvis > ureter > bladder > urethra
