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What is regulated by the kidneys?
- water content of the blood
- blood pH level
- blood ion concentration
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The medial surface of each kidney has a notch called the:
hilum
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At the beginning of the "pumping system" of the urinary system, urine leaving the renal papilla is collected in the cuplike structures called:
calyces
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The functional unit of the kidney is the:
nephron
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What is a component of the renal corpuscle?
- glomerulus
- Bowman's capsule
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What structure secretes renin when blood pressure in the afferent arteriole drops?
JUXTAGLOMERULAR APPARATUS
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Substances pass from the glomerulus and into the Bowman's capsule by:
filtration
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The juxtaglomerular cells reside in the:
afferent arteriole
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The left kidney is often slightly _____ & poistioned slightly ____ than the right kidney.
LARGER & HIGHER
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Blood is brought to the kidneys by the:
renal artery
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Micturition =
*SYNONYMOUS*
Urination
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The glomerulus is the most important capillary networks for _____.
survival
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Once urine enters the renal pelvis, it then travels to the:
ureter
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As the basic functional unit of the kidney, the nephron's function is:
- blood processing &
- urine formation
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The kidneys are covered with:
fat pads
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What are the processes of urine formation?
- filtration
- reabsorption
- secretion
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The movement of water and solutes from the plasma in the glomerulus, across the glomerular-capsular membrane, and into the capsular space of the Bowman's capsule, is termed:
*FILTRATION
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The movement of molecules out of the peritubular blood & into the tubule for excretion is:
secretion
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Under normal conditions, most water, electrolytes, and nutrients are reabsorbed in the:
*proximal convoluted tubule
-
What is considered a countercurrent structure?
Henle loop
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Water loss from the blood is reduced by:
-
Dysuria is a term describing:
painful urination
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All of the following are normal contents of urine:
- Nitrogenous wastes
- Hormones
- Pigments
NOOOO plasma proteins
-
What is symptomatic of diabetes mellitus?
- copious urination
- glycosuria
- diuresis
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Kidney failure means homeostatic failure, and if not relieved, inevitable ______.
DEATH
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Postexersize proteinuria is considered _____.
normal
-
Fluid exiting the Henle loop becomes less concentrated with:
- Na positive
- Cl negative IONS
-
A hydrostatic pressure gradient drives the filtration out of the plasma & into the:
nephron
-
The efferent arteriole has a ____ diameter than the afferent arteriole.
smaller
-
In the renal tubule, Na is reabsorbed via:
*active transport
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More than 99% of filtrates must be reabsorbed from the tubular segments of the:
nephron
-
urine backs uo into the kidneys causing swelling of the renal pelvis and calyces:
Hydronephrosis
-
kidney stones:
Renal calculi
-
final stage of chronic renal failure:
Uremia
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involuntary retention of urine with subsequent distention of the bladder:
Neurogenic bladder
-
inflammation of the bladder:
Cystitis
-
inflammation of the renal pelvis and connective tissue of the kidney:
Pyelonephritis
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an abrupt reduction in kedney function characterized by oliguria and a sharp rise in nitorgenous compounds in the blood:
Acute renal failure
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progressive condition resulting from gradual loss of nephrons:
Chronic renal failure
-
intense kidney pain caused by destruction of the ureters by large kidney stones:
Renal colic
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most common form of kidney disease caused by a delayed immune respose to streptococcal infection:
Acute glomerulonephritis
-
albumin in the urine:
Proteinuria
-
inflammation of the urethra that commonly results from bacterial infection:
Urethritis
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What process is used by the artificial kidney to remove waste materials from the blood?
dialysis
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Failure of the kidneys to remove wastes from the blood will result in what?
Uremia
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Hydrogen ions are transferred from blood into the urine during what process?
secretion
-
What condition is considered normal in an infant under 2 years of age?
incontinence
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What step involved in urine formation allows the blood to retain most body nutrients?
reabsorption
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Voluntary control of micturition is acheived by the action of what?
*external urethral sphincter
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What is the structure that carries urine from the kidneys to the bladder called?
ureter
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Hemorrhagin causes a:
decrease in blood pressure
-
What are the capillary loops contained within Bowman's capsule called?
Glomeruli
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The triangular divisions of the medulla of the kidney are known as:
pyramids
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The TRIGONE is located in the:
bladder
-
Hematuria-
blood in the urine
-
-
Nephritis-
inflammation of the kidney
-
-
Oliguria-
scanty amount of urine
-
Polyuria-
large amount of urine
-
Incontinence-
involuntary voiding
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Proteinuria-
large amount of protein in urine
-
Rugae-
folds that line the bladder
-
Urethra-
passes through prostate gland
-
BUN-
*test for renal dysfunction
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If the Tmax for glucose in the nephron was 300 mg/100 ml and a person had a blood glucose level of 380 mg/100 ml, there would be:
80 mg/100 ml of glucose in the urine
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The calyces of the kidney join together to form a large collection reservoir called the:
renal pelvis
-
What hormone tends to increase the amount of urine produced?
*ANH*
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What structure of the kidney narrows as it exits the kidney to become the ureter?
*renal pelvis
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The movement of molecules out of the tubules and into the peritubular blood defines:
reabsorption
-
The portion of the nephron that empties into a calyx is the:
*collecting tubule
-
One difference between the male urethra and the femal urethra is the male urethra is:
part of 2 different body systems
-
The mechanism for voiding begins with:
*the relaxation of the external sphincter
-
Substances travel from the glomerulus into Bowman capsule by the process of:
*filtration!
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