Which one of the following conditions can be caused by both hyperkalemia and hypokalemia A: Metabolic acidosis B: Cardiac arrhythmia C: Metabolic alkalosis D: Increased renal tubular K+ excretion E: Increased renal tubular H+ excretion

What are the causes of acidosis caused by renal failure? () A: Excessive ketone body production B: Obstruction of renal tubular secretion of hydrogen C: HCO3- Reabsorption disorders D: renal tubular secretion disorder E: obstruction of phosphate and sulfate excretion

The air leakage of tubular air preheater is larger than that of rotary air preheater (). A: Right B: Wrong

Metabolic acidosis with increased AG might be caused by A: diarrhea B: ketoacidosis C: renal tubular acidosis D: hyperkalemia E: blood dilution

The ( ) is a tube that connects the larynx to the right and left bronchi (plural of bronchus), tubular branches into which the larynx divides. A: pharynx B: larynx C: trachea D: amphiarthrosis

Capillary<br/>columns are open tubular columns constructed from which of the<br/>following materials? ( ) A: Glass B: Metal C: Stainless<br/>steel D: Fused<br/>silica

Paradoxical alkaline urine in metabolic acidosis always indicates () A: Severe hyponatremia. B: Severe hypernatremia. C: Severe hypokalemia. D: Renal tubular acidosis. E: All above is not.

Which of the following can lead to metabolic acidosis with an increased AG? A: Aspirin poisoning B: Diabetes C: Renal tubular acidosis（RTA） D: Carbon monoxide (CO) poisoning E: Ethanol (alcohol) poisoning

Which one is the main step about the process of urine formation? () A: glomerular filtration B: reabsorption in proximal convoluted tube C: reabsorption in the loop of Henle D: reabsorption in distal convoluted tube E: tubular secretion

Which of the following often leads to metabolic acidosis with an increased AG () A: Diarrhea B: Diabetic ketoacidosis C: Renal tubular acidosis (RTA) D: Fast infusion of a large amount of saline solution E: Mild or moderate renal failure