Which of the following are characteristic features of malignant tumors that help distinguish them from benign tumors? 4 options ,  no partial credit

Picture1.png The above slide shows a histological biopsy of lung tissue from a patient presenting with high fever, productive cough, pleuritic chest pain, and crackles on auscultation. Which of the following statements regarding this patient’s condition are most likely true? 3 correct statements, partial credit

Approximately 30 minutes after being bitten by a “bug”, a 26-year-old man noticed a localized swelling and erythema in the affected area. The edema is most likely the result of (one answer)

A 65-year-old man with a history of metastatic colon cancer presents with fatigue, poor appetite, and progressive shortness of breath over several weeks. He also reports unintentional weight loss and persistent low-grade fevers.   Parameter Value Normal Range     Hemoglobin 9.2 g/dL M: 13–17 g/dL   Mean Corpuscular Volume 88 fL 80–100 fL   Ferritin 290 ng/mL 15–200 ng/mL    CRP ↑↑

A good job description for a salesperson:

For many firms, the largest single operating expense is: 

DIRECT competitive advertising:

The main problem with advertising is that it costs so much—on average about one third of sales dollars for U.S. companies.

Advertising agencies:

Many countries forbid this form of advertising.