Question 1
Question
Which of the following is regulated by the kidneys?
Question 2
Question
The medial surface of each kidney has a notch called the
Answer
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medulla
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cortex
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hilum
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pelvis
Question 3
Question
At the beginning of the plumbing system of the urinary system, urine leaving the renal papilla is collected in the cuplike structures called
Answer
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renal columns
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renal pyramids
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calyces
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ureters
Question 4
Question
The functional unit of the kidney is the
Question 5
Question
Which of the following is a component of the renal corpuscle?
Answer
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a. glomerulus
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b. Bowman's capsule
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c. afferent arteriole
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d. both a & b
Question 6
Question
Which of the following structures secretes renin when blood pressure in the afferent arteriole drops?
Answer
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renal tubule
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proximal convoluted tubule
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juxtaglomerular apparatus
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renal tubule and juxtaglomerular apparatus
Question 7
Question
Substances pass from the glomerulus and into the Bowman's capsule by
Answer
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diffusion
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active transport
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filtration
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osmosis
Question 8
Question
The juxtaglomerular cells reside in the
Question 9
Question
The left kidney is often slightly larger and positioned slightly lower than the right kidney
Question 10
Question
Blood is brought to the kidneys by the renal vein
Question 11
Question
Micturition and urination are synonymous
Question 12
Question
The glomerulus is one of the most important capillary networks for survival
Question 13
Question
Once urine enters the renal pelvis, it travels to the renal calyces
Question 14
Question
As the basic functional until of the kidney, the nephron's function is blood processing and urine formation
Question 15
Question
The kidneys are covered with visceral pertoneum
Question 16
Question
Which of the following is not one of the processes of urine formation
Answer
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filtration
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diffusion
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reabsorption
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secretion
Question 17
Question
The movement of water and solutes from the plasma in the glomerulus, across the glomerular-caspular membrane, and into the capsular space of the Bowman's capsule is termed:
Answer
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filtration
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diffusion
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reabsorption
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secretion
Question 18
Question
The movement of molecules out of the peritubular blood and into the tubule for excretion is
Answer
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filtration
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diffusion
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reabsorption
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secretion
Question 19
Question
Which of the following is considered a countercurrent structure
Question 20
Question
Proximal convoluted tubules reabsorb nutrients from the tubule fluid, notably glucose and amino acids, into peritubular blood by a special type of active transport mechanism called sodium contransport
Question 21
Question
Fluid exiting the Henle loop becomes less concentrated with Na+ and Cl- ions
Question 22
Question
A hydrostatic pressure gradient drives the filtration out of the plasma and into the nephron
Question 23
Question
The efferent arteriole has a lager diameter than the afferent arteriole
Question 24
Question
In the renal tubule, Na+ is reabsorbed via active transport
Question 25
Question
Glomerular filtration separates only harmful substances from the blood
Question 26
Question
Urine consists of approximately 75% water
Question 27
Question
Urine has a pH of 4.6 to 8.0 and is generally alkaline
Question 28
Question
More than 99% of filtrates must be reabosorbed from the tubular segments of the nephron.
Question 29
Question
Hydrogen ions are transferred from blood into the urine during which of the following processes?
Answer
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secretion
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filtration
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reabsorption
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all of the above
Question 30
Question
Which of the following steps involved in urine formation allows the blood to retain most body nutrients?
Answer
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secretion
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filtration
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reabsorption
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all of the above
Question 31
Question
Voluntary control of micturition is achieved by the action of which of the following?
Question 32
Question
What is the structure that carries urine from the kidney to the bladder called?
Answer
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urethra
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Bowman's capsule
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ureter
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renal pelvis
Question 33
Question
What are the capillary loops contained within Bowman's capsule called?
Answer
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convoluted tubules
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glomeruli
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limbs of Henle
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collecting ducts
Question 34
Question
The trigone is located in the
Answer
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kidney
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bladder
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ureter
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urethra