Urinary System Flashcards

0
Q

What is the functional unit of the kidney?

A

Nephron

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1
Q

What is the function of the urinary system?

A

pH, fluid, electrolyte regulation

Liquid waste elimination

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2
Q

What connects the kidneys to the urinary bladder?

A

Ureters

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3
Q

What stores urine?

A

Urinary bladder

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4
Q

When leaving the bladder, what does urine go through?

A

Urethra

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5
Q

The ion balance and excretion is accomplished by a _______________ mechanism in the nephron.

A

Countercurrent

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6
Q

Blood is filtered at the __________ ________ such that particles smaller than ______ molecular weight pass into tubule system, most of which will be selectively reabsorbed in the convoluted tubules.

A

Glomerular capsule

70,000

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7
Q

The distal wall of Henle’s loop (ascending limb) then actively transports ____ ions (Na+ follows passively) out of the tube and into the surrounding _________ (peritubular) fluid.

A

Cl-

Interstitial

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8
Q

The relatively high _____ concentration draws water out of the tube (esp collecting ducts), thereby ______ the concentration of urine left behind.

A

Salt

Increasing

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9
Q

The salt ions are then transported back into the descending limb of the loop, thus _______ the urine dehydrating/concentrating power of the loop.

A

Multiplying

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10
Q

The countercurrent term identifies that descending limb fluid is flowing in a direction _______ that in the ascending limb, which allows for the recycling of _______.

A

Opposite

Ions

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11
Q

Countercurrent multiplier mechanism allows for urine to be concentrated up to ______ times normal plasma levels

A

Ten

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12
Q

Blood goes out to the ______ and then down into the ______ to be filtered

A

Cortex

Medulla

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13
Q

Kidneys produce what 2 chemicals?

A

Erythropoieten and renin

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14
Q

What effect does aldosterone have on the kidneys?

A

Retains sodium

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15
Q

How does blood get into glomerular capsule?

A

Capillary have holes in them that “bleed” - comes in at a high blood pressure

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16
Q

Only the _______ actually makes it through glomerular capsule

A

Plasma (at 300 mOsm)

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17
Q

The farther down the descending limb, the ______ the concentration.

A

Higher

18
Q

The ascending limb is ____________ (water cannot leave/enter)

A

Impermeable

19
Q

ADH causes ________ loss in distal convoluted tubule

A

Water

20
Q

Alcohol stops what from working, causing water to remain in the distal convoluted tube?

A

ADH

21
Q

What are the glands above the kidneys called?

A

Adrenal glands

22
Q

Name #7

A

Inferior vena cava

23
Q

Name #8

A

Abdominal aorta

24
Q

Name #9 and #10

A

Iliac artery and vein

25
Q

Name #11 and #13

A

Right renal vein and artery

26
Q

Name #12 and #14

A

Left renal vein and artery

27
Q

Name #18

A

Psoas major muscle

28
Q

Name #23

A

Fibrous outside capsule

29
Q

Name #25

A

Major calyx

30
Q

Name #26

A

Minor calyces

31
Q

Name #27

A

Sieve-like papillae

32
Q

Name #29

A

Renal pyramid

33
Q

Name #30

A

Papilla of the pyramid

34
Q

Name #31

A

Arcuate arteries

35
Q

Name #33

A

Bowman’s capsule

36
Q

Name #34

A

Glomerulus

37
Q

Name #37

A

Proximal convoluted tubule

38
Q

Name #38

A

Descending limb

39
Q

Name #39

A

Ascending limb

40
Q

Name #40

A

Loop of Henle

41
Q

Name #41

A

Distal convoluted tubule

42
Q

Name #42

A

Collecting tubule

43
Q

Name #43

A

Capillary bed