BIO 669 Quiz6 Correct Answers
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
An increase in renal vein and thus capillary, hydrostatic pressure is most likely to
have what effect on GFR? - ANSWER-Decreased GFR
Glucose reabsorption occurs primarily in the: - ANSWER-Proximal convoluted tubule
The low hydrostatic pressure, high oncotic (osmotic) pressure that allow for
reabsorption of valuable substances form the filtrate are the: - ANSWER-Peritubular
capillaries
The biggest stimulus (driver) of renin release is: - ANSWER-Decreased Na+
concentration in the distal tubules
Which of the following is a risk factor for post obstructive diuresis? - ANSWER-
Hypertension
Which signs and symptoms best fit nephrotic syndrome? - ANSWER-Hematuria with
casts, HTN, and mild proteinuria
Which of the following does not favor a large glomerular filtration rate? - ANSWER-
High resistance in the afferent arterioles
Vitamin D is essential for: - ANSWER-The absorption of Ca++ and phosphate from
the GI tract
The modified smooth muscle cells that secrete renin are the: - ANSWER-
Juxtaglomerular cells
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
An increase in renal vein and thus capillary, hydrostatic pressure is most likely to
have what effect on GFR? - ANSWER-Decreased GFR
Glucose reabsorption occurs primarily in the: - ANSWER-Proximal convoluted tubule
The low hydrostatic pressure, high oncotic (osmotic) pressure that allow for
reabsorption of valuable substances form the filtrate are the: - ANSWER-Peritubular
capillaries
The biggest stimulus (driver) of renin release is: - ANSWER-Decreased Na+
concentration in the distal tubules
Which of the following is a risk factor for post obstructive diuresis? - ANSWER-
Hypertension
Which signs and symptoms best fit nephrotic syndrome? - ANSWER-Hematuria with
casts, HTN, and mild proteinuria
Which of the following does not favor a large glomerular filtration rate? - ANSWER-
High resistance in the afferent arterioles
Vitamin D is essential for: - ANSWER-The absorption of Ca++ and phosphate from
the GI tract
The modified smooth muscle cells that secrete renin are the: - ANSWER-
Juxtaglomerular cells
