Chapter 8: Central Nervous System Test Bank MULTIPLE CHOICE 1. Which of the following structures is NOT considered part of the brainstem? a. Pons b. Medulla oblongata c. Diencephalon d. Midbrain ANS: C
REF: p. 250
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 ANS: A
REF: p. 258
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 ANS: D
REF: p. 281
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%. ANS: C
REF: p. 266
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 ANS: B
REF: p. 272
6. Noncontrast brain CT scans are most commonly used to diagnose patients with strokelike
symptoms because of their: