#### Question 2648

What is the most likely cause of this large bowel obstruction?

#### Question 2649

Given the CT findings, what stage is this colon cancer?

#### Question 2650

Given the CT findings, what is the T status of this pancreatic cancer?

#### Question 2651

Where is the abnormal air located?

#### Question 2652

Occlusion of what vessel best accounts for the abnormal air collections?

#### Question 2653

What finding on this scan indicates active bleeding?

#### Question 2654

What is the most likely complication of this injury?

#### Question 2655

What direction of force is responsible for this injury pattern?

#### Question 2656

What artery is most at risk of injury in this blunt trauma patient?

#### Question 2657

What is the most likely etiology of the vascular abnormality shown?

#### Question 2658

What is the most likely etiology of the vascular abnormality shown?

#### Question 2697

A diagnostic test for lung cancer has the following metrics:

Positive Predictive Value=60%

Negative Predictive Value=70%

Sensitivity=80%

Specificity=90%

What is the probability that a person with lung cancer will test positive?

#### Question 2698

A diagnostic test for lung cancer has the following metrics:

Positive Predictive Value=60%

Negative Predictive Value=70%

Sensitivity=80%

Specificity=90%

What is the probability that a person with lung cancer will test negative?

#### Question 2699

A diagnostic test for lung cancer has the following metrics:

Positive Predictive Value=60%

Negative Predictive Value=70%

Sensitivity=80%

Specificity=90%

What is the probability that a person without lung cancer will test negative?

#### Question 2700

A diagnostic test for lung cancer has the following metrics:

Positive Predictive Value=60%

Negative Predictive Value=70%

Sensitivity=80%

Specificity=90%

What is the probability that a person without lung cancer will test positive?

#### Question 2701

A diagnostic test for lung cancer has the following metrics:

Positive Predictive Value=60%

Negative Predictive Value=70%

Sensitivity=80%

Specificity=90%

What is the probability that a person with a positive test will have lung cancer?

#### Question 2702

A diagnostic test for lung cancer has the following metrics:

Positive Predictive Value=60%

Negative Predictive Value=70%

Sensitivity=80%

Specificity=90%

What is the probability that a person with a positive test will not have lung cancer?

#### Question 2703

A diagnostic test for lung cancer has the following metrics:

Positive Predictive Value=60%

Negative Predictive Value=70%

Sensitivity=80%

Specificity=90%

What is the probability that a person with a negative test will not have lung cancer?

#### Question 2704

A diagnostic test for lung cancer has the following metrics:

Positive Predictive Value=60%

Negative Predictive Value=70%

Sensitivity=80%

Specificity=90%

What is the probability that a person with a negative test will have lung cancer?

#### Question 2705

As prevalence increases, what happens to sensitivity?