Having a patient swallow a tablet of medication with a drink of water is an example of which route of medication administration?

Why is an occlusive dressing, taped on three sides, used in a patient with an open pneumothorax?

A) It converts an open pneumothorax into a spontaneous pneumothorax, limiting the aspiration of air and enhancing pressure build-up. B) It converts an open pneumothorax into a tension pneumothorax, limiting the aspiration of air and relieving pressure build-up. C) It converts an open pneumothorax into a simple pneumothorax, reducing the aspiration of air and relieving pressure build-up. D) It converts an open pneumothorax into a hemopneumothorax, limiting the aspiration of blood and relieving pressure build-up.

While waiting for the anesthetic to be effective, the shade of the ceramic material block is selected using a ceramic shade guide

a. True b. False Indicate whether the statement is true or false