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NUR 210 Renal Exam:- Questions & Solutions (Solved)
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NUR 210 Renal Exam:- Questions & Solutions (Solved)
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NUR 210 Renal Exam:- Questions & Solutions (Solved)Kidneys are located ______________. Right Ans - L-3, T-12
Left higher than right
Retroperiotneal
Kidneys involvement in homeostasis Right Ans - Fluid balance
Acid base balance
Hormonal balance (erythropoetin, angiotensin, prostaglandin, vit D, calcium,
bicarb)
Excrete end products
Excrete toxins, water soluble drugs
Kidney's blood supply route Right Ans - Renal artery- afferent- glomerulus-
efferent
Total blood volume circulates via the kidney 12 times per hour
Glomerulus function Right Ans - Enclosed by Bowmans capsule, filters the
fluid out of the blood
GFR Right Ans - Glomerlar Filtration Rate
90-125 ml/min
1200 ml/min blood flow
20-25% of CO goes to kidney
Impacts specific gravity, creatinine clearance, output
Proximal Tubules Right Ans - site of absorption- chiefly
Distal convoluted Right Ans - Site of reabsorption and secretion (Na and k)
Loop of Henle Right Ans - Reabsorption of water (conservation)
Ascending/descending LOH (selective)
Specific gravity Right Ans - Maximum concentration ability of the kidneys
Osmolality- concentrating and diluting ability of the kidneys
, Collecting Tubules Right Ans - Final site for concentration or dilution of
urine (ADH response)
Homeostasis of water (via the kidney) depends on what hormone? Right
Ans - Antidiuretic hormone
Responsible for water re-absorption
ADH is influenced by ____________. Right Ans - 1. serum osmolality (increase)
dehydration or increase Na
2. blood volume (decrease) decrease in blood volume
ADH effects are seen_________. Right Ans - in the distal and collecting tubules
of the kidneys
Homeostasis of Sodium (via the kidney) depends on what hormone? Right
Ans - Aldosterone
reabsorb Na and secrete K
causes H2O retention
Aldosterone is influenced by _____________. Right Ans - circulating blood
volume plasma concentration of Na and K (exchanged)
EXAMPLE: increase in blood volume and blood pressure. To correct decrease
aldosterone release to decrease BP and water retention.
Effects are seen in distal tubules.
pH homeostasis in the kidney Right Ans - kidney acts as major buffering
system
Carbonic acid and NaHCO3 act to neutralize the acid
HCO3 and NaHCO3 are in a 20:1 ratio when pH is 7.35-7.45.
Na+Acid is reabsorbed in DCT in exchange for H+ or K+ (EXAMPLE: abnormal
kidney function leads to metabolic acidosis)
BMP Right Ans - Basic Metabolic Profile
Erythropoietin Production Right Ans - decrease oxygen tension in the
blood supply (caused by the loss of of RBC)
Stimulate production on RBC in bone marrow
decrease in RBC leads to anemia which decreases hGb and HCT
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