题目内容

Hb oxygen content refers to

A. The actual combined oxygen content of Hb in 100 ml blood
B. The maximum oxygen content that Hb can bind in 100 ml blood
C. The percentage of the actual amount of HB bound to the maximum oxygen that can be combined
D. The difference between the maximum oxygen content of Hb and the actual amount of Hb
E. Affected by Hb concentration

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If the tidal volume decreases by 50%, the respiratory frequency increases from 12/min to 24/min, then

Alveolar ventilation decreases
B. Minute ventilation decreases
C. Alveolar ventilation does not change
D. Minute ventilation increases
E. Alveolar ventilation increases

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The site of glucose reabsorption is ()

A. Only for the proximal tubule
B. Only for the distal tubule
Collection tube
D. The latter half of the distal tubule
E. all segments of renal tubules

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The normal value of glomerular filtration rate is ()

A. 120ml/min
B. 105ml/min
C. 115ml/min
D. 125ml/min
E. 135ml/min

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The function of the granular cells in Juxtaglomerular apparatus is ()

A. Release of angiotensinogen
B. Regulate the excretion of phosphate
C. renin secretion
D. Regulate the permeability of glomerular capillaries
E. Feel the changes of Na+ content in tubule fluid

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