MEDICAL PHYSIOLOGY

PHYSIOLOGY

RENAL AND ACID BASE PHYSIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In the presence of ADH
A
Urine is diluted
B
Urine is concentrated
C
ADH doesn’t affect dilution/concentration
D
None of the above
Explanation: 

Detailed explanation-1: -Antidiuretic hormone (ADH) is a chemical produced in the brain that causes the kidneys to release less water, decreasing the amount of urine produced. A high ADH level causes the body to produce less urine. A low level results in greater urine production.

Detailed explanation-2: -Sodium and potassium, accompanied by univalent anions, and urea are the major urinary solutes; urea is normally predominant urinary solute during a strong antidiuresis [2; 3].

Detailed explanation-3: -Increased urine concentration may be due to different conditions, such as: Heart failure. Loss of body fluids (dehydration) from diarrhea or excessive sweating. Narrowing of the kidney artery (renal arterial stenosis)

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