举一反三
- AB is increased while SB is normal during acute respiratory acidosis.
- Metabolic alkalosis will lead to() A: decreased intracellular [K+]. B: increased intracellular [K+]. C: increased extracellular [K+]. D: normal intracellular [K+].
- Endoscopy can be used for locating tumours.
- What is the outermost layer of the GI tract called? A: Mucosa B: Sub mucosa C: Muscularis D: Adventitia
- What best describes the normal blood flow to the lungs in a supine patient? （ ） A: largely uniform B: decreased flow to apices relative to bases C: increased flow to upper lobes
内容
- 0
A 43-year-old man has complained of mild burning substernal pain following meals for the past 3 years. Upper GI endoscopy is performed and biopsies are taken of an erythematous area of the lower esophageal mucosa 3 cm above the gastroesophageal junction. There is no mass lesion, no ulceration, and no hemorrhage noted. The biopsies show the presence of columnar epithelium with goblet cells. Which of the following mucosal alterations is most likely represented by these findings?
- 1
The<br/>results of blood-gas analysis of a patient with hysteria are<br/>increased pH, normal SB and decreased PaCO2, they indicate() A: Respiratory<br/>acidosis B: Respiratory<br/>alkalosis C: Metabolic<br/>alkalosis D: Metabolic<br/>acidosis with a normal AG E: Metabolic<br/>acidosis with a high AG
- 2
Which of the following is most likely to occur if both actual bicarbonate (AB) and standard bicarbonate (SB) are higher than the normal values, and with higher AB than SB? A: Metabolic acidosis with a normal AG B: Metabolic acidosis with an increased AG C: Respiratory acidosis D: Respiratory alkalosis E: Mixed alkalosis
- 3
The man ____ around our school is from America. A: which you showed B: you showed him C: you showed D: where you showed
- 4
The contractions such as “didn’t, isn’t, and haven’t” is _____ in a formal letter.