urinary questions and short answer
the path of urine drainage through the body
1. bowman's capsule 2. proximal convoluted tubule 3. loop of henle 4. distal convoluted tubule 5. collecting duct 6. papillary duct (renal papilla) 7. minor calyx 8. major calyx 9. renal pelvis 10. ureter 11. urinary bladder 12. urethra
the steps of urine formation
1. glomerular filtration 2. tubular reabsorption 3. tubular secretion
what percentage of tubular reabsorption happens in the proximal convoluted tubule?
70%
in males how long is the urethra in inches?
8
what structure contains transitional epithelium?
bladder
where is urine stored?
bladder
which of the following contains trigone, is a storage area for urine, and contains transitional epithelium?
bladder
which option contains transitional epithelium
bladder
the functions of the kidneys are
blood pressure regulation and urine formation
what does the urethra do?
carries urine out of the body
which of the following pertains to the ureter?
conducts urine by peristalsis
where are the majority of the nephrons of the kidney found?
cortex
where are most nephrons found in the kidney?
cortex.
what is one of the causes for the posterior pituitary to secrete antidiuretic hormones?
dehydration
blood composition depends on which of the following
diet, cellular metabolism, and urine output
which of the following structures protects kidneys and maintains structure?
fibrous capsule
which structure of the kidney has a main function of protecting and maintaining the structure ?
fibrous capsule
what occurs in the bowman's capsule of the nephron?
filtration
what two structures make up the first step of urine formation?
glomerular capsule and glomerulus
which of the following is NOT a step of urine formation?
glomerular diffusion
the urethra does all of the following except:
it DOES NOT serve as a storage area for urine. it DOES drain the bladder, transport sperm in males, and conduct urine by peristalsis
urine is continuously formed bt
kidneys
what filters 25% of our blood at rest?
kidneys
where is urine constantly forming?
kidneys
in tubular respiration where does water reabsorption occur?
loop of henle
where does water absorption and urine concentration occur
loop of henle
the urethra is longer in
males
besides excreting nitrogenous waste, what is another function of the kidneys?
metabolism of proteins
which of the following leads to creation of nitrogenous water?
metabolism of proteins
another term that mean voiding or emptying the bladder is what?
micturition
the functional and structural unit of the kidney is the
nephron
what is the structural unit of the urinary system?
nephrons
which one comes first in the urinary cycle?
papillary duct
what is the last site of urine drainage in kidneys?
pelvis
70% of tubular reapportion occurs in the ________
proximal convoluted tubule
glomerular filtration occurs in the
renal corpuscle
what area of the kidney contains the greatest proportion of nephron structures?
renal cortex
important tubular function which is important for ridding the body of substances not already in the filtrate
secretion
what is the function of the nephrons?
to make urine
what is the function of the ureters?
transfer urine from kidney into the bladder
which of the following conducts urine by peristalsis?
ureter
carries urine from the kidney to the urinary bladder
ureters
what carries urine from the kidneys to the bladder?
ureters
what structure drains the bladder?
urethra
which structure drains the bladder?
urethra
what is the condition in which the bladder is unable to expel its contained urine
urinary retention
