A patient has a long smoking history and has recently coughed up ...

[evelyn o bentley]

A patient has a long smoking history and has recently coughed up blood. The physician suspects that there may be lung cancer, but no lesions can be seen on a standard chest radiograph. A CT scan offers all of the following advantages EXCEPT:
 
  a. bronchial tumors can be seen.
  b. lung tumors as small as 0.4 cm can be seen.
  c. a tumor's metabolism can be identified.
  d. a mediastinal mass can be seen.

Question 2

Which of the following are considered to be noncyanotic defects?
 
  1. PDA
  2. ASD
  3. TOF
  4. VSD
  a. 1, 2
  b. 2, 3
  c. 1, 2, 4
  d. 1, 2, 3, 4

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Answer to Question 1

C
Only a PET scan can identify a tumor by its metabolic activity. A CT scan can offer the other listed advantages.

Answer to Question 2

C
PDA, ASD, and VSD are examples of defects with left-to-right shunts and therefore are noncyanotic defects.