For what minimum duration is the MVV usually performed?

A new feature of ICD-10 is the introduction of __________ category classifications

Fill in the blank with correct word.

Following blunt injury to the anterior trunk, a patient is coughing up bright red blood. You should be most suspicious of

A. intra-abdominal bleeding B. gastrointestinal bleeding C. bleeding within the lungs D. severe myocardial damage