Machine Learning Fundamentals — MCQs

Based on the provided image, which of the following is the correct diagnosis?

What is the classification of intelligence corresponding to an IQ score of 90-109?

Classification system of bone tumors is -

Which of the following bone lesions is characterized by the 'fallen fragment sign,' a radiological feature seen in lytic bone lesions with fluid-filled cavities?

What is the most likely diagnosis based on the chest radiographs shown below?

What does this CT chest image show?

A research team develops an AI algorithm using 100,000 CT scans from multiple institutions. The algorithm shows excellent performance (AUC 0.96) but requires extensive computational resources. To deploy it in resource-limited settings, they propose model compression techniques. Evaluate the potential trade-offs and propose the most balanced approach.

A radiology department is evaluating two AI algorithms for fracture detection. Algorithm A has AUC-ROC of 0.95, while Algorithm B has AUC-ROC of 0.92 but provides explainable results showing which image regions influenced its decision. Considering clinical implementation and medicolegal aspects, which statement best evaluates the choice?

A hospital implements an AI algorithm for detecting intracranial hemorrhage on CT scans. The algorithm was trained on data from a different population with different CT scanner protocols. The algorithm shows decreased performance. Which concept explains this phenomenon?

A 55-year-old male presents with chronic cough. A chest X-ray is analyzed by an AI algorithm that reports a 4mm lung nodule in the right upper lobe with 85% confidence. The human radiologist reviews the image but cannot identify the nodule. What is the most appropriate next step?