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