Final answer:
MRI produces the best spatial resolution for cervical spine images in comparison to other imaging techniques like SPECT or CT, given its detailed soft tissue contrast without ionizing radiation.
Step-by-step explanation:
The scenario that will produce cervical spine images with the best spatial resolution is the use of Magnetic Resonance Imaging (MRI). MRI uses superconducting magnets and does not involve ionizing radiation, creating high-resolution images that are highly detailed for soft tissue contrast, such as the spinal cord and intervertebral discs.
In comparison, techniques like single-photon-emission computed tomography (SPECT) have poorer spatial resolution, approximately 1 cm, but they do provide good contrast. It is also worth considering that while computed tomography (CT) can provide good resolution and is effective for visualizing bone, the combination of CT with SPECT for assessing soft tissue is slightly better than SPECT alone due to improved contrast.