KNR 182 Urinary System HW 23-25

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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


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