A patient with a pre-existing diagnosis of congestive heart failure was seen in the emergency room for treatment of pneumonia and admitted to the hospital where it was discovered that the patient was again in congestive heart failure. What guidelines apply to coding this diagnoses? Which one would be the principal diagnosis and why

Adrug is tested in the laboratory and is found to create holes in both mitochondrial membranes. scientists suspect that the drug will be harmful to human cells because it will inhibit a) the citric acid cycle. b) oxidative phosphorylation. c) glycolysis. d) the citric acid cycle and oxidative phosphorylation.

Asoccer mom is driving her 75 year old grandmother and her 9 year old daughter home after the game. the grandmother and daughter were both in the back seat and both were wearing their seat belts. a car ran a red light in front of them, causing them to t-bone that car on the passenger side. fortunately there were no serious injuries, but the grandmother did sustain several rib fractures. the mother, daughter and driver of the at-fault car were shaken up but unhurt. what are some possible reasons that the grandmother sustained rib fractures while the other victims did not?

What factors characterize a healthy relationship that contributes to positive social well-being?