In what year did the National Uniform Claim Committee (NUCC) approve the filing instructions for the new version of the CMS-1500 form?

The skin and mucosal tissue can prevent the spread of infectious agents by acting as _____ barri-ers

a. immunologic c. epidermal b. mechanical d. soft

Your partner is assessing a patient who has a history of antisocial disorder and just got into a heated verbal exchange with his neighbor. He threatened to kill his neighbor, and 911 was called. As you observe the patient, what is the strongest indication that the patient may be ready to have a violent outburst?

A) Avoiding eye contact B) Clenching of both fists C) Refusal to answer questions D) Increased sighing