Regulation of Urine Formation Quiz
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If you are over-hydrated (high water potential in the blood), the body must excrete excess water. To do so, the brain triggers the pituitary gland to …
A. release MORE ADH, making the collecting duct MORE permeable
B. release LESS ADH, making the collecting duct LESS permeable
C. release MORE ADH, making the collecting duct LESS permeable
D. release LESS ADH, making the collecting duct MORE permeable
A. Renal calculi
B. Glomerulonephritis
C. Diabetes mellitus
D. Diabetes incipidus
A fall in GFR can activate the JG-Cells to release
A. Renin
B. Rennin
C. Na+
D. H2O
GFR in a healthy individual is approximately is
A. 180 lit/min
B. 200 lit/min
C. 125 lit/min
D. 125 ml/min
When ADH is secreted, urine will:
A. Be more dilute
B. Be more concentrated
C. Have a larger volume
D. All of the above
Juxta medullary Nephrons are Characterised by
A. Smaller afferent arteriole
B. Bowmen’s capsule with cuboidal epithelium
C. The loop of Henle is very long and extend into the medulla
D. Loop of Henle is short
The presence of what condition would indicate the urgent need for a kidney transplant?
A. Kidney stones
B. Kidney failure
C. Uremia
D. Glycosauria
The average amount of urea excreted out by person per day is
A. 25-30gm
B. 10-20gm
C. 30-40 gm
D. 40-50 gm
Sebaceous glands Eliminate
A. Sterols
B. Hydrocarbons
C. Waxes
D. All
Human urine consists of
A. water, urea, uric acid
B. excess water, urea, uric acid and excess mineral salts.
C. uric acid and mineral salts
D. water, urea, ammonia and sugar
Kidney stone is caused by
A. Drinking less water
B. Eating dry fruits
C. Eating more seafood
D. Drinking more water
Which of the following is not part of the renin-angiotensin mechanism?
A. Angiotensinogen
B. Angiotensin
C. Aldosterone
D. Rennin
An increase in blood flow in the atria of the heart can cause the release of?
A. Angiotensin – II
B. Renin
C. Atrial Natriuretic factor
D. Angiotensin – I
Which of the following is correct about juxta medullary nephrons?
A. Vasa recta is prominent
B. Vasa recta is prominent
C. NaCl is returned to the interstitium by ascending limb of vasa recta
D. All
Reabsorption of Na+ is controlled by –
A. Vasopressin or ADH
B. Aldosterone
C. Renin
D. Rennin