Christie

Question 1

What is the percentage of cancer deaths caused by lung neoplasms?

Answer 1

20-25%

Question 2

Lung carcinoma causes ____ % of newly diagnosed malignant neoplasms.

Answer 2

13%

Question 3

Which of the following statements about asbestos exposure and pulmonary neoplasms is false?

Answer 3

d. Asbestos is more important than smoking tobacco as a risk factor for development of pulmonary neoplasms.

Question 4

The neoplasm shown in this illustration is most likely to be which of the following?

Answer 4

metastatic from another site.

Question 5

Which pulmonary neoplasm is most often found in never-smokers?

Answer 5

Adenocarcinoma

Question 6

A 55 year-old lady who has never smoked has a chest –ray for an employment physical examination. The X-ray reveals a solitary lesion, 6 cm in diameter, in the periphery of the right lung. Biopsy is consistent with a poorly differentiated glandular neoplasm. The lesion is most likely which of the following?

Answer 6

Adenocarcinoma

Question 7

Which of the following neoplasms is most aggressive and has nearly always metastasized at the time of presentation?

Answer 7

small cell carcinoma

Question 8

A 75 year-old gentleman with a 100-year pack history develops a malignant neoplasm located in the central area of the right upper lobe of the lung. The tumor consists of undifferentiated cells approximately 25 microns in diameter with a “salt and pepper” pattern of nuclear chromatin and which stains for neuroendocrine markers. It is most likely which of the following?

Answer 8

small cell carcinoma

Question 9

Which of the following terms applies to carcinoids?

Answer 9

. low-grade malignant neoplasm

Question 10

This tumor from the lung of a gentleman with a heavy smoking history is remarkable for the presence of keratin pearls and intercellular bridges is most likely to be which of the following?

Answer 10

squamous cell carcinoma

Question 11

Pulmonary tumors that cause hypercalcemia are most likely which one of the following?

Answer 11

squamous cell carcinoma

Question 12

Which of the following neoplasms is most associated with asbestos exposure?

Answer 12

malignant mesothelioma

Question 13

Lung cancer typically follows which effect(s) on the cells involved?

Answer 13

loss of repressor genes

oncogene expression

Question 14

The pulmonary lesion shown in this illustration is most likely which of the following?

Answer 14

hamartoma