题目内容

In hot environment (above 30 ℃), the main way to maintain body heat balance is through ()

A. Increase effective radiation area
B. Increase the temperature difference between skin and environment
C. Increased sympathetic tone
D. Sweating and increasing skin blood flow
E. Sweating and reducing skin blood flow

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The most sensitive factor for antidiuretic hormone secretion is ()

A. Decreased circulating blood volume
B. Increased plasma crystal osmotic pressure
C. Increased plasma colloid osmotic pressure
D. Pain stimulation
E. Cold stimulation

The primary center of micturition reflex is located in ()

A. cerebral cortex
B. hypothalamus
C. medulla oblongata
D. midbrain
E. sacral spine

The main part of concentrated urine is in ()

A. proximal tubule
B. distal tubule
C. loop of Henle
D. collecting duct
E. glomerulus

The normal final urine volume accounts for ( ) about the original urine volume ()

A. 1%
B. 10%
C. 20%
D. 30%
E. 65%

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