RENAL PHYSIOLOGY

Question 1

TYPE OF NEPHON RESPONSIBLE FOR RENAL CONCENTRATION

Answer 1

JUXTAGLOMERULAR

Question 2

FUNCTION OF THE PERITUBULAR CAPILLARIES

Answer 2

REABSORPTION AND SECRETION

Question 3

BLOOD FLOWS THROUGH THE NEPHRON IN THE FOLLOWING ORDER

Answer 3

AFFERENT ARTERIOLE,
PERITUBULAR CAPILLARIES,
VASA RECTA AND EFFERENT
ARTERIOLE.

Question 4

FILTRATION OF ROTEIN IS PREVENTED IN THE GLOMERULUS BY

Answer 4

GLOMERULAR FILTRATION BARRIER

Question 5

THE 4 ACTIONS OF RAAS

Answer 5

DILATES THE AFFERENT ARTERIOLE AND CONSTRICS THE EFFERENT ARTERIOLE

STIMULATES SODIUM REABSORPTION IN THE PROXIMAL CONVOLUTED TUBULE

TIGGERS THE ADRENAL CORTEX TI RELEASE ALDOSTERONE (SODIUM RETAINING HORMONE) TO CAUSE SODIUM REABSORPTION AND POTASSIUM EXCRETION IN THE DISTAL CONVOLUTED TUBULE AND COLLECTING DUCT

TRIGGERS ADH RELEASE BY THE HYPOTHALAMUS TO STIMULATE WATER REABSORPTIOON IN THE COLLECTING DUCT

Question 6

THE PRIMARY CHEMICAL AFFECTED BY THE RAAS IS

Answer 6

SODIUM

Question 7

SECRETION OF RENIN IS STIMULATED BY

Answer 7

MACULA DENSE CELLS

Question 8

THE HORMONE ALDOSTERONE IS RESPONSIBLE FOR

Answer 8

SODIUM RETENTION

Question 9

THE FLUID LEAVING THE GLOMERULUS HAS A SPECIFIC GRAVITY OF

Answer 9

1.010

Question 10

WHICH OF THE TBULES IS IMPERMEABLE TO WATER

Answer 10

ASCENDING LOOP OF HENLE

Question 11

ADH REGULATES THE FINAL URINE CONCENTRATION BY CONTROLLING

Answer 11

TUBULA PERMEABILITY

Question 12

DECREASED PRODUCTION OF ADH WILL RESULT IN

Answer 12

PRODUCES A HIGH URINNE VOLUME

Question 13

IF AMMONIA IS NOT PRODUCED BY THE DISTAL CONVULATED TUBULE THE URINE PH WILL BE

Answer 13

BASIC

Question 14

THE LARGEST SOURCE OF ERROR IN CREATIINE CLEARANCE TEST IS

Answer 14

IMPROPERLY TIMED URINE SPECIMEN

Question 15

CLEARANCE TESTS USED TO DETERMINED THE DGLOMERULAR FILTRATION RATE MUST MEASURE THE SUBSTANCE THAT ARE

Answer 15

NEITHER REABSORBED OR SEECRETED BY TUBULES

Question 16

SOLUTE DISSOLVED IN SOLVENT WILL

Answer 16

LOWER THE FREEZING POINT

Question 17

after controlled fluid intake the urine tissues serum osmolarity ratio should be at least

Answer 17

1:1

Question 18

the normal serum osmolarity is

Answer 18

275 to 300 mOsm

Question 19

supplies blood to the kidney

Answer 19

renal artery

Question 20

each kidney contains of how many nephrons?

Answer 20

1 to 1.5 million

Question 21

In active transportation where does the glucose,amino acid and salts reabsorbed?

Answer 21

proximal convulated tubule

Question 22

where does the chloride reabsorbs?

Answer 22

ascending loop of henle

Question 23

where does the sodium reabsorb?

Answer 23

proximal and distal convulated tubules

Question 24

where does the water reabsorb?

Answer 24

proximal. convulated tubule
descending loop of henle
collecting duct

Question 25

where does the urea reabsorbs?

Answer 25

PCT and ascending loop of henle

Question 26

where does sodium reabsorbs

Answer 26

ascending loop of henle

Question 27

what you called the selective reabsorption process?

Answer 27

countercurrent mechanism