Isogenous group is A: seen at periphery of cartilage B: seen at periphery of bone C: a group of chondrocytes within a single lacuna D: a single chondrocyte within one lacuna E: a group of immature flattened chondrocytes

Isogenous group is () A: at<br/>periphery of cartilage B: at<br/>periphery of bone C: a group<br/>of chondrocytes within a single lacuna; D: a single<br/>chondrocyte within one lacuna; E: a group<br/>of immature flattened chondrocytes

Which of the followings are early changes of COVID-19 CT? A: Multiple small patches and interstitial changes, especially in the periphery of the lung. B: Multiple small patches and interstitial changes, especially in the inner region of the lung. C: Diffuse ground glass opacifications, especially in the periphery of the lung. D: Diffuse ground glass opacifications, especially in the inner region of the lung. E: Lung consolidation and pleural effusion.

A kid from a remote small city on the _____________, a kid in despair, today has the chance to have an exchange with these Yale students. A: mainland B: district C: periphery D: limitation

The following are descriptions of the excitatory conduction characteristics of nerve fibers. Which one is correct? A: One-way conduction can only be conducted from the cell body to the periphery. B: The fibers in the nerve trunk do not interfere with each other. C: As long as the structure is complete, it can conduct excitation normally. D: It is not affected by the change of internal environmental factors.