Urinary System Flashcards

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25 Terms

1

Blood

The urinary system consists of two kidneys that filter the

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2

retroperitoneally

The kidneys are positioned

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3

renal pelvis

The major and minor calyces are located in the

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4

renal sinus

The blood vessels, nerves, lymphatic vessels, and the ureter enter the kidney at the on medial

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5

nephrons

The functional units of the kidney are the

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6

renal cortex

The outer region of the kidney is the

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7

renal medulla

The inner region of the kidney is the

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8

erythropoietin

The kidneys help control the rate of red blood cell formation by secreting

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9

renin

The kidneys help regulate blood pressure by secreting

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10

abdominal aorta

What vessel gives rise to renal arteries leading to the kidneys

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11

inferior vena cava

Venous blood is returned through a series of vessels that join what major vessel leading back to the heart

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12

renal corpuscle

What is the filtering portion of the nephron called?

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13

collecting duct

The distal convoluted tubles join to become a

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14

juxtaglomerular apparatus

The macula densa together with the juxtaglomerular cells make up the

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15

glomerular filtration

When the fluid portion of the blood (plasma) is filter this is called

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16

hydrostatic pressure

The main force responsible for moving substances by filtration through the glomerular capillary wall is

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17

decrease

When the afferent arteriole constricts in response to sympathetic stimulation, filtration pressure and filtration rate will increase or decrease?

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18

increase

When the efferent arteriole constricts, filtration pressure increases, does the rate of filtration increase or decrease?

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19

sodium

The renin-angiotensin system, which regulates what type of excretion

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20

tubular reabsorption

When solutes are moved from the fluid back to the blood is called

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21

tubular secretion

Transporting certain substances from the plasma into the renal tubule is called

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22

95%

Urine is made up of how much water?

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23

detrusor

What muscle will prevent the bladder from emptying until the pressure is increased to a certain level?

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24

micturation reflex

Urine leaves the bladder by a

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25

urethra

What conveys urine from the bladder to outside the body?

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robot