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提问人：网友smallc 发布时间：2022-01-07

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The passage supports which of the following statements？A．Arid America is not necessarily c

The passage supports which of the following statements？

A．Arid America is not necessarily characterized by the presence of deserts

B．Most of Canada and the northeastern United States consists of short-grass prairies wherever natural vegetation has not been modified by humans

C．The accumulation of loess is primarily the result of irrigation

D．Glaciation removed the fertile layer of soil from much of the Mississippi Valley

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更多“The passage supports which of the following statements？A．Arid America is not necessarily c”相关的问题

第1题

Which of the following can stimulate pepsinogen to transfer into pepsin?

A、HCl

B、K+

C、Na+

D、Intra factor

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第2题

Which statement about gastric secretion is NOT correct?

A、Histamine, gastrin, and acetylcholine are three physiological agonists for HCl secretion.

B、H2 receptor blockers can block most HCl secretion evoked by gastrin or or acetylcholine.

C、Truncal vagotomy will abolish the gastric phase of HCl secretion.

D、Early in the intestinal phase, HCl secretion is stimulated by gastrin released from G cells in the duodenum and upper jejunum.

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第3题

Gastric acid secretion is not controlled by the following

A、histamine

B、dopamine

C、gastrin

D、Ach

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第4题

The most specific dynamic food is

A、sugar

B、TG

C、cholesterol

D、protein

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第5题

正常一位92岁的老人诉持续4天腹泻后脱水。在这种情况下，预期下列那个部位的液体是低渗的?

A、肾小球滤液

B、近端小管

C、髓袢升支粗段

D、皮质集合管

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第6题

一名46岁男性患者诉前额部头痛12周。脑部CT显示脑垂体后叶有一个肿块，磁共振成像显示脑垂体后叶“亮点”缺失（占位性病变）。病人也抱怨口渴,夜里经常醒来。他最可能的尿变化是?

A、高渗尿，尿量增多

B、低渗尿，尿量增多

C、高渗尿，尿量减少

D、低渗尿，尿量减少

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第7题

Which of the following statements about the proximal tubular transport processes is NOT correct?

A、About 2/3 of water and NaCl filtered are reabsorbed in the proximal tubule

B、In the first part of the proximal tubule the amounts of bicarbonate and Cl– reabsorbed are roughly equal

C、Secretion of organic anions and cations occurs mostly in the second part of the proximal tubule

D、The Na-H exchanger in the luminal membrane plays a central role in the reabsorption of bicarbonate

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第8题

A patient's GFR as measured from the inulin clearance is 125 ml/min. The patient's plasma creatinine is 0.01 mg/ml. The patient's urine flow rate is 1 ml/min and the concentration of creatinine in her urine is 1.35 mg/ml. Which of the following statements is not true?

A、The rate of filtration of creatinine is 1.25 mg/min

B、The clearance of creatinine is 125 ml/min

C、The net rate of secretion of creatinine by the tubules is 0.1 mg/min

D、The rate of creatinine excretion is 1.35 mg/min

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第9题

A patient's GFR is 125 ml/min and his plasma glucose is 4 mg/ml. The patient's urine flow rate is 2 ml/min and the concentration of glucose in his urine is 60 mg/ml. Which of the following statements is not true?

A、The rate at which glucose is filtered at the glomerulus is 500 mg/min

B、The rate at which glucose is excreted is 120 mg/min

C、The net rate of tubular reabsorption of glucose is 380 mg/min

D、The highest plasma level for which all the filtered glucose could be reabsorbed is 2.5 mg/ml

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第10题

一个54岁男性小细胞肺癌患者出现嗜睡和肌肉痉挛。血液检查发现血浆抗利尿激素(ADH)水平升高，诊断为抗利尿激素分泌异常综合征(SIADH)。该患者最可能出现下面哪项会增加?

A、细胞内液

B、血浆胶体渗透压

C、尿量

D、血浆钠浓度

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