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PHSL 1010 Exam 3 Questions And 100% Correct Answers Latest Update
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PHSL 1010 Exam 3 Questions And 100% CorrectAnswers Latest Update
osmoregulation - ANSWER the control of solute concentrations(electrolytes) and water
balance - excretion or reabsorption
metabolic waste kidney filters - ANSWER co2 - generated from oxidative phos
nitrogenous waste - break down of proteins and deamination of AA (ammonia, add ion to
make urea which can be filtered out in urine)
kidney as a solid organ - ANSWER enormous amounts of tiny tubules, capillaries that are
mashed together to give appearance of a solid organ
actually an tubule organ
cortex of kidney - ANSWER outer part of kidney, filled with enormous numbers of renal
corpuscles - filtration (glomerulus and bowman's capsule)
medulla of kidney - ANSWER inner part of the kidney, made up of collecting tubules that
drain into the renal pelvis
glomerulus - ANS A cluster of capillaries enclosed by Bowman's capsule in the nephron
and forming the site of filtration in the vertebrate kidney.
just filtration (blood to lumen)
bowman's capsule - ANS cup-shaped strucutre of the nephron of a kidney which
encloses the glomerulus and which filtration takes place.
,functional unit of the kidney - ANS nephron
series of continuous tubules
hyaline of the kidney - ANSWER where renal artery enters and major vein leaves
beginning of ureter
afferent arteriole - ANSWER enters glomerulus
efferent arteriole - ANSWER leaves glomerulus
peritubular capillaries - ANSWER The collection of small blood vessels that surrounds
the proximal and distal tubules in the kidney - branch down to vasa recta, further
filtration from afferent arteriole
renal corpuscle - ANSWER glomerulus and bowman's capsule
filter blood
after filtration, elements in blood - ANSWER RBC, WBC, platelets and larger proteins
fluid out of blood - ANSWER glucose, electrolytes, smaller proteins and peptides,
returned to body
proximal convoluted tubule - ANSWER first section of the renal tubule that the blood
flows through; reabsorption of water, ions, and all organic nutrients - first return
descending loop of henle - ANSWER reabsorption of water/permeable - returned to
capillaries
ascending loop of henle - ANSWER reabsorbs Na+ and Cl- from the filtrate into the
interstitial fluid
distal convoluted tubule - ANSWER Between the loop of Henle and the collecting duct;
Selective reabsorption and secretion occur here, most notably to regulate reabsorption
, of water and sodium
collecting duct - ANSWER A segment of the nephron that returns water form the filtrate
to the bloodstream. - descending into renal pelvis
kidney dialysis - ANSWER methods of removing waste products from the blood,
assuming the function of one or both kidneys in the event of renal failure
reabsorption - ANSWER lumen to blood
glucose, Na+ and water returned
secretion - ANSWER blood to lumen
substances not filtered yet need to be excreted
proximal capillaries - ANSWER reabsorption and secretion
loop of henle job - ANSWER reabsorption - water in descending and electrolytes in
ascending
blood to lumen
distal tubule function- ANSWER absorption and secretion
collecting duct function- ANSWER absorption and secretion
glomerular filtration rate - ANSWER the volume of fluid that filters into Bowman's
capsule per unit time
podocyte - ANSWER epithelial cells lining Bowman's capsule, whose foot processes
form filtration slits - help filter, effective sieve
GFR held constant by - ANSWER blood flow through renal arterioles-can stay relatively
constant through various BP-resistance increase then GFR decreases and blood flow
decreases
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