A: normal value in quiet state is 0.84
B: decreasing of ventilation/perfusion ratio means that the alveolar ineffective cavity increases
C: ratio in pulmonary bottom is the smallest
D: in pulmonary embolism, the ratio increases
举一反三
- Which<br/>one is not correct about ventilation/ perfusion ratio? () A: the<br/>normal value is 0.84 in resting state B: its<br/>decreasing means the increasing of physiologic dead space C: its<br/>value reaches to 3 at apex of lung D: its<br/>value decreases at inferior part of lung because there is not<br/>sufficient gas exchange there E: when<br/>it undergoes embolism in pulmonary artery, its value decreases
- Which of the following is expenses ratio? ( ) A: Selling and Distribution expenses ratio B: Finance Expenses ratio C: Factory expenses ratio D: Administrative expenses ratio
- Which of the following is primary function of mechanical ventilation? A: Maintain alveolar ventilation and correct hypoxemia B: Increase carbon dioxide C: Increase blood volume D: Maintain pulmonary blood flow
- Among the following ratios, which is used for efficiency analysis? A: quick ratio B: accounts receivable turnover C: debt-to-equity ratio D: net profit ratio
- Among the following ratios, which is used for long-term solvency analysis? ( ) A: current ratio B: Times-interest-earned ratio C: Operating cycle D: Book value per share
内容
- 0
Which of the following ratios and rates that measure debt-paying ability focuses on the long-term position of a company? A: Quick ratio B: Inventory turnover C: Current ratio D: Debt ratio
- 1
The money supply increases when the Fed A: buys bonds. The increase will be larger the smaller the reserve ratio is. B: buys bonds. The increase will be larger the larger the reserve ratio is. C: sells bonds. The increase will be larger the smaller the reserve ratio is. D: sells bonds. The increase will be larger the larger the reserve ratio is.
- 2
All of the following statements are correct except ______. A: quick ratio is one of the current ratios B: quick ratio is used to measure the liquidity C: quick ratio is a more accurate measurement of liquidity of the current ratio D: quirk ratio is exact the same as the current ratio
- 3
Which of the following is usually least important as a measure of short - term liquidity ______. A: Quick ratio B: Current ratio C: Debt ratio D: Cash flows from operating activities
- 4
There are several descriptions about the relationship between Fill Light and light ratio, which one is correct? A: As Fill Light is brighter, the light ratio is smaller. B: As Fill Light is brighter, the light ratio is larger. C: There is no relationship between Fill Light and light ratio D: As Fill Light is darker, the light ratio is larger.