7233032
Descripción
Test por Alexandra Bozan, actualizado hace más de 1 año
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Creado por Alexandra Bozan
hace casi 8 años
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Pregunta 1
Pregunta
Which of the following is regulated by the kidneys?
Respuesta
-
water content of the blood
-
blood pH level
-
blood ion concentration
-
all of the above
Pregunta 2
Pregunta
The medial surface of each kidney has a notch called the
Respuesta
-
medulla
-
cortex
-
hilum
-
pelvis
Pregunta 3
Pregunta
At the beginning of the plumbing system of the urinary system, urine leaving the renal papilla is collected in the cuplike structures called
Respuesta
-
renal columns
-
renal pyramids
-
calyces
-
ureters
Pregunta 4
Pregunta
The functional unit of the kidney is the
Respuesta
-
renal carpuscle
-
nephron
-
juxtaglomerular apparatus
-
Bowman's capsule
Pregunta 5
Pregunta
Which of the following is a component of the renal corpuscle?
Respuesta
-
a. glomerulus
-
b. Bowman's capsule
-
c. afferent arteriole
-
d. both a & b
Pregunta 6
Pregunta
Which of the following structures secretes renin when blood pressure in the afferent arteriole drops?
Respuesta
-
renal tubule
-
proximal convoluted tubule
-
juxtaglomerular apparatus
-
renal tubule and juxtaglomerular apparatus
Pregunta 7
Pregunta
Substances pass from the glomerulus and into the Bowman's capsule by
Respuesta
-
diffusion
-
active transport
-
filtration
-
osmosis
Pregunta 8
Pregunta
The juxtaglomerular cells reside in the
Respuesta
-
afferent arteriole
-
efferent arteriole
-
proximal convoluted tubule
-
distal convoluted tubule
Pregunta 9
Pregunta
The left kidney is often slightly larger and positioned slightly lower than the right kidney
Respuesta
- True
- False
Pregunta 10
Pregunta
Blood is brought to the kidneys by the renal vein
Respuesta
- True
- False
Pregunta 11
Pregunta
Micturition and urination are synonymous
Respuesta
- True
- False
Pregunta 12
Pregunta
The glomerulus is one of the most important capillary networks for survival
Respuesta
- True
- False
Pregunta 13
Pregunta
Once urine enters the renal pelvis, it travels to the renal calyces
Respuesta
- True
- False
Pregunta 14
Pregunta
As the basic functional until of the kidney, the nephron's function is blood processing and urine formation
Respuesta
- True
- False
Pregunta 15
Pregunta
The kidneys are covered with visceral pertoneum
Respuesta
- True
- False
Pregunta 16
Pregunta
Which of the following is not one of the processes of urine formation
Respuesta
-
filtration
-
diffusion
-
reabsorption
-
secretion
Pregunta 17
Pregunta
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:
Respuesta
-
filtration
-
diffusion
-
reabsorption
-
secretion
Pregunta 18
Pregunta
The movement of molecules out of the peritubular blood and into the tubule for excretion is
Respuesta
-
filtration
-
diffusion
-
reabsorption
-
secretion
Pregunta 19
Pregunta
Which of the following is considered a countercurrent structure
Respuesta
-
glomerulus
-
proximal convoluted tubule
-
Henle loop
-
distal convoluted tubule
Pregunta 20
Pregunta
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
Respuesta
- True
- False
Pregunta 21
Pregunta
Fluid exiting the Henle loop becomes less concentrated with Na+ and Cl- ions
Respuesta
- True
- False
Pregunta 22
Pregunta
A hydrostatic pressure gradient drives the filtration out of the plasma and into the nephron
Respuesta
- True
- False
Pregunta 23
Pregunta
The efferent arteriole has a lager diameter than the afferent arteriole
Respuesta
- True
- False
Pregunta 24
Pregunta
In the renal tubule, Na+ is reabsorbed via active transport
Respuesta
- True
- False
Pregunta 25
Pregunta
Glomerular filtration separates only harmful substances from the blood
Respuesta
- True
- False
Pregunta 26
Pregunta
Urine consists of approximately 75% water
Respuesta
- True
- False
Pregunta 27
Pregunta
Urine has a pH of 4.6 to 8.0 and is generally alkaline
Respuesta
- True
- False
Pregunta 28
Pregunta
More than 99% of filtrates must be reabosorbed from the tubular segments of the nephron.
Respuesta
- True
- False
Pregunta 29
Pregunta
Hydrogen ions are transferred from blood into the urine during which of the following processes?
Respuesta
-
secretion
-
filtration
-
reabsorption
-
all of the above
Pregunta 30
Pregunta
Which of the following steps involved in urine formation allows the blood to retain most body nutrients?
Respuesta
-
secretion
-
filtration
-
reabsorption
-
all of the above
Pregunta 31
Pregunta
Voluntary control of micturition is achieved by the action of which of the following?
Respuesta
-
internal urethral sphincter
-
external urethral sphincter
-
trigone
-
bladder muscles
Pregunta 32
Pregunta
What is the structure that carries urine from the kidney to the bladder called?
Respuesta
-
urethra
-
Bowman's capsule
-
ureter
-
renal pelvis
Pregunta 33
Pregunta
What are the capillary loops contained within Bowman's capsule called?
Respuesta
-
convoluted tubules
-
glomeruli
-
limbs of Henle
-
collecting ducts
Pregunta 34
Pregunta
The trigone is located in the
Respuesta
-
kidney
-
bladder
-
ureter
-
urethra
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