The pupil is an opening within the ________
A) retina
B) iris
C) choroid
D) lens
E) sclera
B
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The vessel central to the four chambers of the heart on axial CT images is the
A. SVC. B. ascending aorta. C. pulmonary trunk. D. IVC.
Tidal volume is air ________.
A) remaining in the lungs after forced expiration B) exchanged during normal breathing C) inhaled after normal inspiration D) forcibly expelled after normal expiration
The vertebral arch
A) supports the articular, spinous, and transverse processes. B) is formed by the two pedicles. C) is formed by the two laminae. D) is separated by the vertebral disks. E) is also called the vertebral foramina.
Multiple sclerosis is a neurological disorder in which myelin sheaths in the CNS are destroyed. Which of the following neuroglial cells is being damaged in multiple sclerosis?
A. Oligodendrocyte B. Ependymal cell C. Astrocyte D. Microglia E. Schwann cells