Radiology Pathology Chapter 8 exam with correct answers 2024

1. Which of the following structures is NOT considered part of the brainstem? a. Pons b. Medulla oblongata c. Diencephalon d. Midbrain correct answers ANS: C 2. Which of the following is the modality of choice for detecting cerebrovascular hemorrhage following acute head trauma? a. Computed tomography b. Magnetic resonance imaging c. Nuclear medicine d. Sonography correct answers ANS: A 3. A ventricular shunt is placed between the ventricles and the _____ to drain excess CSF in patients diagnosed with hydrocephalus. a. internal jugular vein b. heart c. peritoneum d. all of the above correct answers ANS: D 4. Since the introduction of CT, the overall mortality rate due to brain abscesses has decreased from more than 40% to less than: a. 30%. b. 15%. c. 5%. d. 0.5%. correct answers ANS: C 5. Which of the following advanced MR imaging techniques is not useful in supporting a diagnosis of MS? a. Diffusion imaging b. Functional imaging (fMRI) c. Perfusion imaging d. Magnetization transfer correct answers ANS: B 6. Noncontrast brain CT scans are most commonly used to diagnose patients with strokelike symptoms because of their: a. high sensitivity to ischemic strokes. b. high sensitivity to hemorrhagic strokes. c. wide availability. d. both b and c. correct answers ANS: D 7. In children, brain tumors often tend