Which type of carcinoma is most often metastatic and has a high initial response to chemotherapy?

A 6-year-old boy aspirates a peanut.  Which of the following complications is he LEAST likely to suffer from this event?

A 2-year-old boy has recurrent pneumonia.  The chest X-ray shows an intralobar mass with abnormal blood supply and disconnected to the normal airway system.  What is the condition?

Match the cause/location of emphysema with its associated type (the type can be used more than once)

In emphysema of the above question, which of the following lung structures is likely to be affected?

In acute bronchial pneumonia, which of the following cells fill the alveolar spaces?

The sudden death caused by saddle embolus in lung is found at ___

For the disease in the previous question, which of the following IHC marker will be POSITIVE in tumor cells?

The patient with persistent cough with sputum, last at least 3 months in at least 2 consecutive years, can develop the followings EXCEPT 

A HIV+ patient developed a mass in ileum which shows CD19+ clonal lymphocyte proliferation.  Which of the following viral genomes is most likely to be present in this disease?