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BIO 669 Quiz6 with Correct Answers

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BIO 669 Quiz6 with Correct Answers The renal blood flow and this GFR are kept relatively consistent by: - ANSWER-Myogenic (intrinsic) autoregulation Which of the following is NOT a consistent finding in nephrotic syndrome? - ANSWER-Hypertension and vasoconstriction Which of the following does ...

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BIO 669 Quiz6 with Correct Answers


The renal blood flow and this GFR are kept relatively consistent by: - ANSWER✔✔-Myogenic (intrinsic)

autoregulation


Which of the following is NOT a consistent finding in nephrotic syndrome? - ANSWER✔✔-Hypertension

and vasoconstriction


Which of the following does not stimulate aldosterone release? - ANSWER✔✔-Arterial natriuretic

peptide


Assume that fluid enters the distal tubule with an osmolarity of 100 mOsm, and that the maximum

osmolarity of medullary interstitial fluid is 1100 mOsm. As plasma ADH levels rise, the osmolarity of the

urine: - ANSWER✔✔-Approaches 1100 mOsm as an upper limit


The outer capillary epithelium is composed of __________ which fit with others to form filtration slits. -

ANSWER✔✔-Podocytes


Acute cystitis is best described as: - ANSWER✔✔-Inflammation of the bladder presenting with frequency,

dysuria, and lower abdominal and/or Supra public, low back pain


Overactive bladder syndrome shows which of the following features? - ANSWER✔✔-Frequency, urgency,

weak flow, and nocturia


The normal fasting plasma glucose is 100 mg/dL, and the renal threshold is 300mg/dL. If the plasma

concentration double to 200mg/dL, then: - ANSWER✔✔-The rate at which glucose is reabsorbed will

double


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An increase in mean arterial pressure (MAP) stimulates which of the following? - ANSWER✔✔-Increased

water excretion in the urine


A person with Lupus Erythematosus is most likely to have data complications arising from: -

ANSWER✔✔-Immune complex to the glomeruli, leading to severe glomerulinephritis


The sodium (Na+) sending cells in the distal tubules are the: - ANSWER✔✔-Macula densa


The countercurrent exchange of the vasa texts only works properly if: - ANSWER✔✔-The flow rate is

slow


The osmolarity of tubular fluid increases as it flows through the descending loop of Henle because: -

ANSWER✔✔-Water moves passively out of the descending limb


A patient presents with flank pain an anuria followed by poly iris after undergoing catheterization of the

ureters. What is most likely the cause of this condition? - ANSWER✔✔-Post renal acute failure


Which of the following would be expected to trigger a decrease in the secretion of ADH? - ANSWER✔✔-

Ingestion of a large amount of pure water


Enlargement of the renal pelvis and calyces due to an upper urinary tract obstruction would best be

termed a(n): - ANSWER✔✔-Hydronephrosis


The nephrons best able to concentrate urine are the __________ nephrons. - ANSWER✔✔-

Juxtamedullary


Urine does not reflux (flow back up ) into the ureter because: - ANSWER✔✔-The lower end of the ureter

compressed by the detrusor muscle during micturition




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