1. Which of the following are examples of codes that can be assigned to the same patient for thesame encounter?A. 507.0 and 480.9B. 491.20 and 491.21C. 496 and 493.2D. 506.0 and 506.92. When a patient is admitted in respiratory failure due to an acute non respiratory conditionwhich of the following actions should the coder take?A. Code respiratory failure as the principal diagnosis and sequenced first.B. Code acute non respiratory condition as the principal diagnosis and sequenced first.C. Code respiratory condition causing the respiratory failure as the principal diagnosis andsequenced first.D. Query the physician for appropriate sequencing3. Vomiting of blood may indicate which of the following types of hemorrhage?A. Acute upper GIB. Chronic upper GIC. Upper or lower GID. Lower GI4. Which of the following conditions is/are the most common causes of upper GI bleed?A. Gastric ulcersB. Intestinal ulcersC. Intestinal diverticular diseaseD. All of the above