nbme3 biostat q - junaid_08

[ArchivalUser]

2. 47yo comes because of increasing facial swelling 1 week of morning HA and mild SOB. He previously felt well. He finished Chemotx for small cell ca of lung 4 months ago. Temp is 98.9. There is diffuse facial and periorbital edema. “ Dx SVC syndrome
3. The crude mortality rate for coronary artery disease in Community A is twice the crude mortality rate for coronary artery disease in Community B. The age-standardized mortality rates for coronary artery disease in the two communities are the same. These findings are most consistent with which of the following inferences?

A ) CAD mortality in the elderly is higher in Community A than Community B
B ) CAD mortality in young adults is higher in Community A than Community B
C ) The population of Community B is younger than the population of Community A
D) The proportionate mortality from CAD is higher in Com A than Community B
E ) The two communities have similar age distribution

[ArchivalUser]

i think its c but the key says something else right

[ArchivalUser]

key is also saying C but i couldnt get that.