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Exam (elaborations)

PHSL 1010 Exam 3 Questions And 100% Correct Answers Latest Update

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PHSL 1010 Exam 3 Questions And 100% Correct Answers Latest Update...

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  • November 5, 2024
  • 16
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • PHSL 1010
  • PHSL 1010
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Easton
PHSL 1010 Exam 3 Questions And 100% Correct
Answers 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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