KNR 182 Urinary System HW 23-25
how many nephrons are present in one kidney
1,000,000
about how much blood do kidneys filter every day
200 qts
how many layers of support surrounding each kidney
3
the muscularis of the urinary bladder, collectively called the detrusor muscle, is made up of __ layers of muscle
3
the outermost portion of the kidney is called the renal __
cortex
this structure is a capillary bed which blood is filtered into the nephron
glomerulus
list the parts of the nephron in correct sequential order
glomerulus, proximal convoluted tubule, nephron loop
all of the following are principle solutes of urine EXCEPT: urea, creatine, glycogen, uric acid
glycogen
the renal artery enters the kidney at this indented area
hilum
where are the kidneys located
in your back, just below your rib cage
which urinary system organ performs the major homeostatic functions
kidneys
serous membrane
lines body cavities that are closed to the exterior
the organ responsible for the crowding of one of the kidneys lying lower than the other is the
liver
where is the location of the external urethral sphincter in the human male
membranous (intermediate part) urethra
urine is expelled from the urinary bladder by
mictrurition
perirenal fat capsule
a fatty mass that surrounds the kidney and cushions it against blows
each kidney is about the size of
a fist
if your kidneys stop working, you might get
a kidney transplant OR dialysis
a donated kidney can come from
a living person, OR someone who has died
fibrous capsule
a transparent capsule that prevents infection and surrounding regions from spreading to the kidney
urethra
a tube that carries urine from the bladder to the body exterior
vessel that supplies blood to the nephron is called the
afferent arteriole
renal fascia
an outer layer of dense fibrous connective tissue
the medial surface of the kidney is
concave
the lateral surface of the kidney is
convex
what;s the #1 job of the kidneys
get rid of waste
when you're dehydrated, your pee is usually
dark yellow
a common cause of kidney disease is
diabetes and high blood pressure
what can you do to keep your kidneys healhty
don't overuse over-the-counter painkillers, watch your blood pressure, eat healthy and exercise
someone is added to the kidney transplant waiting list __
every 14 seconds
the functions of the urinary system include
excreting nitrogenous wastes, maintaining electrolyte balance, and mainting acid-base and fluid balance
kidney stones are about the size of a tennis ball T/F
false
taking pain meds won't affect your kidneys T/F
false
as urine is formed it flows through the collecting ducts to enter, in order, the following structures
minor calyces, major calyces, renal pelvis, ureter
the ___ is the functional unit of the kidney
nephron
structures in the kidney that produce urine
nephrons
kidneys
paired organs located in the back of the abdomen
ureters
paired tubes that transport urine from the kidneys to the urinary bladder
if this happens, something may be wrong with your kidneys
peeing a lot
the vertical cleft on the medial surface of the kidney is called the
renal hilum
kidneys lie in the
retroperitoneal cavity
the ___ kidney is lower than the __
right/left
urinary bladder
temporary storage reservoir for urine
which of the following are main functions of your kidneys
to clean the blood, to support healthy bones and tissues, and to keep your blood pressure normal
you can live with one kidney T/F
true
