Chapter 37 Flashcards

1
Q

The process of urination

A

Micturition

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2
Q

Red blood cells in the urine

A

Hematuria

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3
Q

The bladder wall muscle

A

Detrusor

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4
Q

Accumulations of precipitated material in the urine that have a cylindrical shape like a mold of a section of tubule

A

Casts

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5
Q

Precipitated material in the urine that increases as urine cools

A

Crystals

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6
Q

The area of the bladder between the openings of the ureters and the urethra

A

Trigone

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7
Q

White blood cells in the urine

A

Pyuria

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8
Q

All of the glomeruli are located in the renal….

A

cortex

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9
Q

Small openings in the glomerular endothelium, called… are maintained by the vascular endothelial growth factor secreted by the ….

A

fenestrae/ podocytes

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10
Q

The….. urethral sphincter is under voluntary control and is innervated by the ….somatic nerve

A

external/ pudendal

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11
Q

Urea is a product of … breakdown; recycling of urea within the renal medulla is necessary to …urine

A

protein/ concentrate

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12
Q

Elimination of a substance in the urine is called

A

excretion

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13
Q

The amount of plasma filtered per unit time is the…

A

glomerular filtration rate

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14
Q

Natriuretic peptides…. renal excretion of sodium and water; ADH …. renal excretion of water, which….urine specific gravity

A

increase/ decreases/increases

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15
Q

Blood entering the peritubular capillaries has….. hydrostatic pressure and… oncotic pressure, which facilitates …. of fluid from the proximal convoluted tubules

A

low/high/reabsorption

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16
Q

Tamm-Horsfall protein; also known as… is produced in the …. nephron segments and protects against …..

A

uromedulin/distal/bacteria

17
Q

The concentration gradient of the renal interstitium…..from the cortex to the tip of the medulla; this gradient is necessary in order to….the urine

A

increases/concentrate

18
Q

The countercurrent exchange system is composed of the …. and its function requires that the fluid within move….

A

vasa recta/slowly

19
Q

The kidneys….vitamin D, a process that is stimulated by…

A

activate/ parathyroid hormone

20
Q

Creatinine clearance is used to estimate…. para-aminohippuric acid clearance is used to estimate….

A

glomerular filtration rate/ renal blood flow

21
Q

Renal arterioles are innervated by ( ) nerve; increased firing of these nerves causes the arterioles to ____________.

A

sympathetic

vasoconstrict

22
Q

Net glomerular filtration pressure is the sum of the forces that ( ) filtration minus the forces that ( ) filtration.

A

favor

oppose

23
Q

The renal hormone ( ) degrades catecholamines

A

renalase

24
Q

In response to hypoxia, the kidneys secrete ( ), which circulates to bone marrow and stimulates ( ).

A

erythropoietan

erythropoiesis

25
Q

The term ____________ refers to how much of a substance can be removed from the blood by the kidneys per a unit of time

A

clearance

26
Q

Plasma creatinine concentration ( ) when the GFR decreases, but it takes 7-10 days for the level to stabilize, so this measure is best for monitoring ( ) renal disease

A

increases

chronic

27
Q

the BUN level ( ) when the GFR decreases, but also varies with dehydration, protein intake, and protein ( ) which may make it unreliable for monitoring renal function

A

increases

catabolism

28
Q

Urine from the bladder to the exterior of body

A

urethra

29
Q

Urine from kidneys to the bladder

A

ureter

30
Q

cells that secrete K+ and reabsorb Na+ and H2O

A

principal cells

31
Q

cells that reabsorb K+ and secrete H+ ions

A

intercalated cells

32
Q

moves substances from the peritubular capillaries to the renal tubular lumen

A

tubular secretion

33
Q

moves substances from renal tubular lumen to peritubular capillaries

A

tubular secretion

34
Q

location where the renal blood vessels, nerves, lymphatics and ureter enter and exit the kidneys is called the

A

hilum

35
Q

the epithelial cells of the proximal convoluted tubule are the only renal tubular cells that have

A

microvilli